List of Lost episodes

J. J. Abrams, one of the co-creators of Lost, directed the pilot episode.

A total of 121 Lost episodes aired between September 22, 2004, and May 23, 2010. J. J. Abrams, who co-created the American serial drama television series Lost with Damon Lindelof, directed the pilot episode, which was based upon an original script titled Nowhere written by Jeffrey Lieber.^[1] Six seasons of the show aired, in addition to numerous clip shows to recap previous episodes.

The series follows the experiences of the survivors of a plane crash on a passenger jet, Oceanic Flight 815, which crashed on a tropical island in the South Pacific, with each episode typically featuring action on the island as well as a secondary storyline from another point in a character's life. The series also includes stories of the lives of people already living on the island — they include the "Others", who initially antagonize the survivors, as well as a group of people who arrive on the freighter Kahana. Lost: Missing Pieces consists of thirteen original two- to three-minute clips referred to as "mobisodes" which were produced for cell phones and released between seasons three and four. Multiple former and recurring cast members made an appearance in the series finale.

Series overview

Season		Episodes	Originally aired
Season		Episodes	First aired	Last aired	Avg. viewers (millions)	Rank
	1	25	September 22, 2004 (2004-09-22)	May 25, 2005 (2005-05-25)
	2	24	September 21, 2005 (2005-09-21)	May 24, 2006 (2006-05-24)
	3	23	October 4, 2006 (2006-10-04)	May 23, 2007 (2007-05-23)
	4	14	January 31, 2008 (2008-01-31)	May 29, 2008 (2008-05-29)
	5	17	January 21, 2009 (2009-01-21)	May 13, 2009 (2009-05-13)
	6	18	February 2, 2010 (2010-02-02)	May 23, 2010 (2010-05-23)

Episodes

In the following list, the term "featured character(s)" refers to the character or characters who are featured in the secondary storyline of each episode.

Season 1 (2004–05)

Season one aired from September 22, 2004, to May 25, 2005. In addition to the twenty-four regular episodes in season one, a special, "Lost: The Journey", aired on April 27, 2005, to put the mysteries of the island and the characters in perspective in the lead-up to the season finale.

Season one begins when a plane crash strands the surviving passengers of Oceanic Flight 815 on a seemingly deserted tropical island, forcing the group of strangers to work together to stay alive. However, their survival is threatened by several mysteries, including the contents of a hatch buried in the ground, an unknown entity that roams the jungle, and the motives of the inhabitants already living on the island known as the "Others". Season one covers a narrative time of 44 days.

The first season averaged 15.69 million viewers per episode.^[2] The average of the live ratings presented below for season one is 18.38 million viewers per episode.

No. overall	No. in season	Title	Directed by	Written by	Featured character(s)	Original air date	U.S. viewers (millions)
1	1	"Pilot (Part 1)"	J. J. Abrams	Story by: Jeffrey Lieber and J. J. Abrams & Damon Lindelof Teleplay by: J. J. Abrams & Damon Lindelof	Jack	September 22, 2004 (2004-09-22)	18.65^[3]
Oceanic Airlines Flight 815, a commercial airliner flying from Sydney to Los Angeles, hits turbulence and breaks apart in mid-air and crashes on a deserted tropical island in the South Pacific, with forty-eight survivors of the initial crash. Mysterious roars are heard from the jungle and trees are found knocked over. Jack, Kate and Charlie set out into the jungle to find the cockpit of the airplane so they can send out a distress signal using the plane's transceiver. They also find the pilot, who survived the crash and informs them that the plane had been steered more than a thousand miles off course before it crashed, and thus any rescuers would be looking in the wrong place. The pilot is soon killed by a mysterious unseen "monster." A flashback shows Jack on the plane.
2	2	"Pilot (Part 2)"	J. J. Abrams	Story by: Jeffrey Lieber and J. J. Abrams & Damon Lindelof Teleplay by: J. J. Abrams & Damon Lindelof	Charlie & Kate	September 29, 2004 (2004-09-29)	17.00^[4]
Kate, Sayid, Sawyer, Charlie, Shannon and Boone head out to take the transceiver inland in an attempt to reach higher ground and get a better signal. Along the way they are attacked by a charging polar bear, which Sawyer shoots and kills. They are unable to send a signal with the transceiver due to the presence of another (stronger) signal, a distress call (translated by Shannon) sent by a French woman that has been playing over and over for approximately sixteen years. Back at the beach, a federal marshal wakes up during his operation and asks Jack about Kate, who, in a flashback, is escorted by the marshal on the plane. In another flashback, Charlie is shown to have smuggled a small bag of heroin onto the plane.
3	3	"Tabula Rasa"	Jack Bender	Damon Lindelof	Kate	October 6, 2004 (2004-10-06)	16.54^[5]
Jack learns about Kate's past as a fugitive. The signal party returns, but decides not to tell the others about the transmission. Sawyer shoots the dying marshal, thinking to relieve him of his misery. However, this only punctures his lung, so Jack - who had earlier rejected euthanasia as murder - finishes him off. Flashbacks show Kate's life on an Australian farm, until she is captured by the marshal.
4	4	"Walkabout"	Jack Bender	David Fury	Locke	October 13, 2004 (2004-10-13)	18.16^[6]
The fuselage, filled with decomposing bodies, is burned after it is raided by a group of wild boars. Locke successfully goes hunting for boar. Locke encounters the monster, but does not tell anyone about this. In flashbacks, it is revealed that he was in a wheelchair before the plane crash and miraculously regained the ability to walk after the crash.
5	5	"White Rabbit"	Kevin Hooks	Christian Taylor	Jack	October 20, 2004 (2004-10-20)	16.82^[7]
Boone steals the decreasing water supply in a misguided attempt to help everyone, but the survivors turn on him. A sleep-deprived Jack chases after what appears to be his deceased father in the forests and eventually discovers caves with fresh water. Jack comes to terms with his role as leader. In flashbacks, Jack goes to Australia to retrieve his deceased father.
6	6	"House of the Rising Sun"	Michael Zinberg	Javier Grillo-Marxuach	Sun	October 27, 2004 (2004-10-27)	16.83^[8]
Some of the survivors move to the caves, while some stay at the beach. Locke exchanges Charlie's heroin for Charlie's guitar. Jin attacks Michael because he has Jin's father-in-law's watch. Jin is handcuffed to the wreckage. Sun reveals to Michael that she can speak English and explains why Jin attacked Michael, after which Michael frees Jin. Flashbacks show that Jin had to take a job working for Sun's father for her hand in marriage. One night, after they are married, Jin returns home covered in someone else's blood. Sun secretly plots to leave Jin (hence the secret English lessons); however, she changes her mind.
7	7	"The Moth"	Jack Bender	Jennifer Johnson & Paul Dini	Charlie	November 3, 2004 (2004-11-03)	18.73^[9]
Charlie is suffering from withdrawal and asks Locke for his heroin, and Locke says that he will return the drugs the third time Charlie asks. Charlie risks his life to rescue Jack after he is trapped in a cave-in. Flashbacks show Charlie and his brother Liam leading their band Drive Shaft and, eventually, Liam getting Charlie hooked on heroin. Years later, Charlie visits Liam's house in Australia and wants him to rejoin Drive Shaft for their comeback tour but a clean Liam refuses. Charlie eventually asks Locke for his heroin for the third time, but only in order to destroy it.
8	8	"Confidence Man"	Tucker Gates	Damon Lindelof	Sawyer	November 10, 2004 (2004-11-10)	18.44^[10]
Sawyer is suspected of having Shannon's inhaler when she has an asthma attack. Sayid tortures Sawyer, who reveals to Kate that he does not have them. Kate reads a letter that Sawyer always carries around, which reveals that "Sawyer" is an alias. When Sawyer was a child, a man known as Sawyer conned and slept with his mother, who was killed by young Sawyer's father in a murder-suicide. Young Sawyer vowed, in the letter, to give the letter to the original Sawyer before exacting revenge. Later, he became a con-man himself and took the name of the original Sawyer. In flashbacks, Sawyer tries to con a husband and wife, but gives up when he discovers that they have a son. Sayid sets off to explore the island's shoreline in self-imposed isolation, needing time to come to terms with his actions in torturing Sawyer.
9	9	"Solitary"	Greg Yaitanes	David Fury	Sayid	November 17, 2004 (2004-11-17)	17.64^[11]
Sayid finds a cable running out of the ocean and into the jungle. While following it, he is caught in a trap and captured by Rousseau, the woman who sent out the distress signal. Rousseau tells Sayid she was part of a science team, and that they crashed on the island sixteen years ago. She identifies a group of island inhabitants she calls the "Others" as the carriers of a sickness that her companions caught, and says that the Others whisper in the jungle. Sayid escapes and while trying to find his way back to camp, Sayid hears the whispering she told him about. In flashbacks, Sayid is tasked with torturing a prisoner named Nadia, who was a childhood friend. Sayid's superior tells him to execute Nadia, but instead he helps her escape.
10	10	"Raised by Another"	Marita Grabiak	Lynne E. Litt	Claire	December 1, 2004 (2004-12-01)	17.15^[12]
A badly wounded Sayid returns to camp and tells the others about Rousseau and that there are other people on the island. Claire wakes up screaming two nights in a row and insists that someone held her down and stabbed her stomach. This attack persuades Hurley to take a census of the survivors using the flight manifest, and he discovers that Ethan was not on the plane. In flashbacks, Claire finds out she is pregnant and her boyfriend leaves her. She goes to see a psychic, who says that great danger surrounds her baby and that it must not be raised by anyone except her.
11	11	"All the Best Cowboys Have Daddy Issues"	Stephen Williams	Javier Grillo-Marxuach	Jack	December 8, 2004 (2004-12-08)	18.88^[13]
After Claire and Charlie are kidnapped by Ethan, two parties of Jack and Kate, and Locke and Boone go looking for them. Jack encounters Ethan, who warns that one of the hostages will be killed if Jack continues pursuit. Jack and Kate find Charlie, blindfolded and hanging by his neck from a tree branch. Jack furiously performs CPR and Charlie comes back to life. Meanwhile, Boone and Locke discover a piece of metal embedded in the forest's ground. In flashbacks, Jack confesses to his superiors that his father had been under the influence of alcohol while operating.
12	12	"Whatever the Case May Be"	Jack Bender	Damon Lindelof & Jennifer Johnson	Kate	January 5, 2005 (2005-01-05)	21.59^[14]
While swimming, Kate finds the marshal's locked case. Jack agrees to help Kate open the case if she will show him what is inside it. There are guns inside and a toy airplane. Kate says the airplane belonged to the man she loved—and killed. Shannon helps Sayid translate some of Danielle Rousseau's maps. Flashbacks show Kate robbing a bank in order to recover the toy airplane.
13	13	"Hearts and Minds"	Rod Holcomb	Carlton Cuse & Javier Grillo-Marxuach	Boone	January 12, 2005 (2005-01-12)	20.81^[15]
Shannon's relationship with Sayid gets more personal. Locke and Boone try to get into the hatch they found. Boone wants to tell Shannon about the hatch and Locke gives him a drug that causes him to hallucinate, sending him on a mental trip which eventually helps him to let go of Shannon. In flashbacks, Boone tries to get rid of Shannon's abusive boyfriend by paying him off, only to find out that it was all a scam perpetrated by Shannon, who proceeds to sleep with Boone.
14	14	"Special"	Greg Yaitanes	David Fury	Michael & Walt	January 19, 2005 (2005-01-19)	19.69^[16]
An annoyed Michael confronts Walt, who has been studying knife skills under Locke, and enlists his help in scavenging parts from the wreck to build a raft, but Walt wanders off. Michael and Locke track Walt into the jungle and find that he has been trapped by a polar bear. Michael risks his life to save Walt and they reconcile. Later, Locke and Boone find Claire stumbling out of the jungle. Flashbacks show that when Walt was only a few months old, his mother accepted a job in Amsterdam and took her child with her. She later married a co-worker named Brian when Walt was two and refused to let Michael speak to Walt. Years later, Susan dies and Brian does not want custody of Walt because the boy is "different."
15	15	"Homecoming"	Kevin Hooks	Damon Lindelof	Charlie	February 9, 2005 (2005-02-09)	19.48^[17]
Claire is back among the survivors, but still has no memory beyond the plane flight. Ethan confronts Charlie, threatening to kill the other castaways one by one until he gets Claire back. Despite security measures, Scott is murdered. With the guns from the briefcase and Claire as bait, Jack, Kate, Locke, Sayid and Sawyer set a trap and Ethan is captured. Although the plan is to keep Ethan alive, a vengeful Charlie kills him. In flashbacks, Charlie tries to get drug money by stealing from a rich girl.
16	16	"Outlaws"	Jack Bender	Drew Goddard	Sawyer	February 16, 2005 (2005-02-16)	17.87^[18]
A dream or flashback shows the murder/suicide of Sawyer's parents. Sawyer is awakened by a boar in his tent. Sawyer becomes obsessed with finding the boar that raided his tent and goes into the jungle with Kate to find it; however, he does not kill it when he finds it. He gives his gun to Jack, who now has all the group's known firearms in the marshal's suitcase. In flashbacks, Sawyer tracks down the man he believes to be the Sawyer who ruined his life, in Australia. Sawyer shoots him, but then finds out that he had been tricked into killing the wrong man. He later realizes that during his time in Australia he had also briefly met Jack's father.
17	17	"...In Translation"	Tucker Gates	Javier Grillo-Marxuach & Leonard Dick	Jin	February 23, 2005 (2005-02-23)	19.49^[19]
Michael continues work on his raft, which only has one available spot left as Sawyer has bought a seat on the raft in exchange for building materials. The raft is set on fire and everyone blames Jin. Michael beats up Jin the next morning. Sun then tells him to stop because Jin did not burn the raft. Everyone is surprised that she speaks English, including Jin. Locke says that it was probably the Others. Michael concedes the raft is gone and decides to make a new one. Sun goes to see Jin, who tells her that it is too late to start over. Jin goes back to the beach and helps Michael rebuild the raft, on which he has gained a spot. Walt confesses to Locke that he burned the raft because he likes the island. In flashbacks, it is revealed that the reason Jin once showed up covered in blood was because he beat a man to save him from the death sentence that Sun's father had ordered, and that he had planned to go to America with Sun to start a new life.
18	18	"Numbers"	Daniel Attias	David Fury & Brent Fletcher	Hurley	March 2, 2005 (2005-03-02)	18.85^[20]
Hurley finds that some of Rousseau's documents contain the repeated numbers 4, 8, 15, 16, 23 and 42, the same numbers which Hurley had used to win a lottery jackpot. Hurley sets off on his own and finds Rousseau, who says that she does not know what the numbers mean: only that her party had originally been drawn to the island by a radio transmission that was broadcasting the numbers. The numbers are also revealed to be engraved on the side of the hatch. In flashbacks, Hurley wins the lottery, and over the coming weeks, everyone around him suffers increasingly bad luck. He then discovers that the man who'd given him the numbers originally got them from the same transmission.
19	19	"Deus Ex Machina"	Robert Mandel	Carlton Cuse & Damon Lindelof	Locke	March 30, 2005 (2005-03-30)	17.75^[21]
Locke discovers that he is losing sensation in his legs. Locke and Boone find a Beechcraft 18 teetering on the edge of a cliff. Boone climbs up and, using the radio, sends out a distress call, "We are the survivors of Oceanic Flight 815", to which a man responds "There were no survivors of Oceanic Flight 815." The plane falls and Locke carries a critically injured Boone back to the camp. Locke arrives at the caves with Boone and lies about how Boone got hurt. Locke disappears into the jungle. As he pounds on the hatch and screaming in anguish, the inside of the hatch suddenly becomes illuminated. In flashbacks, Locke meets his parents and his father cons him out of a kidney.
20	20	"Do No Harm"	Stephen Williams	Janet Tamaro	Jack	April 6, 2005 (2005-04-06)	17.12^[22]
Boone reveals to Jack that he and Locke have discovered the hatch, and Locke has told him not to tell anybody else. Despite Jack's extensive attempts to save him, Boone dies. Shannon & Sayid have a candlelit dinner. Claire goes into labor and gives birth to a boy. Shannon is devastated over Boone's death. Flashbacks show Jack's wedding to Sarah, a former patient whom he had "fixed" after she was injured in a car accident.
21	21	"The Greater Good"	David Grossman	Leonard Dick	Sayid	May 4, 2005 (2005-05-04)	17.20^[23]
Locke arrives at Boone's funeral and is attacked by Jack. Locke asks for Shannon's forgiveness, to no avail; instead, Shannon steals the key to the gun case from a sleeping Jack, and confronts Locke in the jungle. Sayid tackles Shannon just as she fires the gun and the bullet grazes Locke's head. Sayid later tells Locke to take him to the hatch. In flashbacks, Sayid becomes an informant for the Australian Secret Intelligence Service and the CIA, which has asked him to infiltrate a terrorist cell of which his old friend Essam is a member. Sayid agrees to do it in return for Nadia's whereabouts and he betrays Essam, who kills himself.
22	22	"Born to Run"	Tucker Gates	Story by: Javier Grillo-Marxuach Teleplay by: Edward Kitsis & Adam Horowitz	Kate	May 11, 2005 (2005-05-11)	17.10^[24]
Sayid and Locke show the hatch to Jack, who believes that the hatch needs to be opened. Walt warns Locke not to open the hatch, despite not ever being told about it. Kate seeks a place on the raft, threatening to take Sawyer's spot. After Michael is poisoned, he kicks Sawyer off the raft. Sawyer reveals to everyone that Kate was the fugitive on the plane. Walt confesses to Michael that he was responsible for the fire that destroyed the first raft and, although Michael says they can stay on the island, Walt insists that they have to leave. Jack discovers from Sun that the poison was intended for Jin. In flashbacks, Kate returns to her home town to see her dying mother, and meets up with former boyfriend Tom Brennan. With Tom's help, Kate is able to be alone with her mother, who begins screaming for help upon seeing her. She and Tom try to escape, Kate crashes the car, Tom is killed and she runs.
23	23	"Exodus (Part 1)"	Jack Bender	Damon Lindelof & Carlton Cuse	various	May 18, 2005 (2005-05-18)	18.62^[25]
Rousseau arrives at the beach to warn the survivors that the Others are coming, and tells them more of her own story. She was pregnant when she came to the island sixteen years ago but the Others—their arrival heralded by a column of black smoke—came and kidnapped her baby, who she has not seen since. A column of black smoke is soon seen in the distance. Jack, Locke and Sayid tell Rousseau about the hatch, and their need to open it, perhaps with dynamite. Rousseau offers to take them to the Black Rock to get some dynamite. Jack, Locke, Kate, Hurley, Arzt and Rousseau arrive at the Black Rock, a large slave ship stranded inland. Before Walt goes on the raft, he leaves his dog Vincent in Shannon's care. Meanwhile, Charlie gathers messages to put in a bottle and the raft sets sail. In flashbacks, several of the survivors are shown in the final hours before the flight.
24 25	24 25	"Exodus (Parts 2 & 3)"	Jack Bender	Damon Lindelof & Carlton Cuse	various	May 25, 2005 (2005-05-25)	20.71^[26]
Rousseau leaves the Black Rock, and Arzt explodes while mishandling the dynamite. They encounter the monster—a cloud of black smoke. Rousseau steals Claire's baby, whom she has named Aaron. Sayid surmises that Rousseau intends to attempt an exchange of Claire's baby, for her own child with the Others. Charlie and Sayid head toward the column of black smoke and along the way, they also encounter the drug smugglers' plane, which Sayid - unaware of Charlie's history with heroin and his recent withdrawal from it - reveals is full of heroin. Charlie stares at it, finding himself conflicted. When Sayid and Charlie arrive on the beach with the black smoke, there are no other people, just a pyre and Rousseau and Aaron. She returns Aaron and tells them that she overheard the Others saying that they were going after "the boy". On the raft, the crew encounters a boat. The boat's crew turns out unfriendly and demands that they hand over Walt (the voice Rousseau heard was referring to Michael - not Claire's son). Sawyer is shot and falls into the water and Jin goes after him. Michael is also thrown into the water; as the group grabs Walt, an explosive is thrown onto the raft, destroying it. Meanwhile, Jack, Kate, Locke, and Hurley blow open the hatch, revealing a very deep dark hole with a broken ladder. The survivors' time in the airport and boarding the plane continues to be shown through flashbacks.

Season 2 (2005–06)

Season two aired from September 21, 2005, to May 24, 2006. In addition to the twenty-three regular episodes, three specials were aired that provided recaps and insights into the show's mysteries. There were several cast changes in season two. Ian Somerhalder, who played Boone, left the show, while Malcolm David Kelley, who played Walt, only appeared in four episodes. Michelle Rodriguez, Adewale Akinnuoye-Agbaje and Cynthia Watros joined the main cast as Ana Lucia, Mr. Eko, and Libby, respectively.

Season two introduced several new characters to the series, including the plane's tail-section survivors and other island inhabitants. More island mythologies and insights into the survivors' pasts are divulged. The existence of the Dharma Initiative and its benefactor, the Hanso Foundation, is established. The truth about the "Others" begins to unfold. Season two takes place over 23 days.

The second season averaged a total of 15.50 million viewers.^[27] The average of the live ratings presented below for season two is 18.91 million viewers per episode.

No. overall	No. in season	Title	Directed by	Written by	Featured character(s)	Original air date	U.S. viewers (millions)
26	1	"Man of Science, Man of Faith"	Jack Bender	Damon Lindelof	Jack	September 21, 2005 (2005-09-21)	23.47^[28]
Jack, Kate, and Locke investigate the hatch and find Desmond, a man living inside. While searching for Vincent, Shannon has a frightening vision of Walt in the jungle. In flashbacks, Jack operates on his eventual wife and meets Desmond.
27	2	"Adrift"	Stephen Williams	Steven Maeda & Leonard Dick	Michael	September 28, 2005 (2005-09-28)	23.17^[29]
Michael and Sawyer drift back to shore. Upon landing, they see Jin running out of the bushes, having been found by a group who they believe to be more of the Others. In the hatch, Desmond forces Locke to push a set of numbers, identical to Hurley's winning lottery numbers, into a computer. Flashbacks show Michael giving up custody of a two-year-old Walt to Walt's mother.
28	3	"Orientation"	Jack Bender	Javier Grillo-Marxuach & Craig Wright	Locke	October 5, 2005 (2005-10-05)	22.38^[30]
Jack and Locke discover that the hatch is a 1970's station built to control an electromagnetic anomaly on the island and learn that it was built by the Dharma Initiative, a scientific research team. Michael, Sawyer, and Jin find out that they are being held captive by the survivors of Flight 815's tail section. Flashbacks show Locke struggling with father issues and his relationship with Helen, who helps him let go of the issues with his father.
29	4	"Everybody Hates Hugo"	Alan Taylor	Edward Kitsis & Adam Horowitz	Hurley	October 12, 2005 (2005-10-12)	21.66^[31]
The tail section survivors take Michael, Sawyer, and Jin to an abandoned Dharma station. Hurley is tasked with dividing up the food in the hatch. Claire and Shannon find the bottle with the messages from the raft. In flashbacks, Hurley quits his job and his best friend turns against him after he wins the lottery.
30	5	"...And Found"	Stephen Williams	Carlton Cuse & Damon Lindelof	Sun & Jin	October 19, 2005 (2005-10-19)	21.38^[32]
Michael goes looking for Walt, and Jin and Mr. Eko chase after him and see the Others. Fearing for her husband's life, Sun searches for and finds her lost wedding ring. Flashbacks show Sun and Jin's lives prior to their first meeting.
31	6	"Abandoned"	Adam Davidson	Elizabeth Sarnoff	Shannon	November 9, 2005 (2005-11-09)	20.01^[33]
Shannon believes that Walt is on the island and begins searching for him. With Sawyer near death, Ana Lucia and the tail section survivors travel to the camp of the fuselage survivors. Mistaking Shannon for one of the Others, Ana Lucia shoots and kills Shannon. In flashbacks, Shannon deals with her father's death.
32	7	"The Other 48 Days"	Eric Laneuville	Damon Lindelof & Carlton Cuse	Ana Lucia, Bernard, Libby and Mr. Eko	November 16, 2005 (2005-11-16)	21.87^[34]
The first 48 days after the plane crash are shown from the tail section survivors' point of view. Over the course of many nights, the Others infiltrate their camp and kidnap many of the survivors, forcing the remaining survivors to take refuge at a Dharma station. They continue their journey across the island until their tragic encounter with Shannon.
33	8	"Collision"	Stephen Williams	Javier Grillo-Marxuach & Leonard Dick	Ana Lucia	November 23, 2005 (2005-11-23)	19.29^[35]
Mr. Eko brings Sawyer to the hatch for medical attention. Ana Lucia holds Sayid hostage after his attempt to kill her to avenge Shannon's accidental death. In flashbacks, Ana Lucia is a cop who kills a man in cold blood after he had previously shot her.
34	9	"What Kate Did"	Paul Edwards	Steven Maeda & Craig Wright	Kate	November 30, 2005 (2005-11-30)	21.54^[36]
Kate tends to a wounded Sawyer as Shannon's funeral takes place, which Ana Lucia refuses to attend. As Locke and Mr. Eko are warned not to use the hatch's computer for communication, Michael uses the computer to communicate with someone that he thinks is Walt. Flashbacks reveal Kate's original crime, the murder of her abusive father.
35	10	"The 23rd Psalm"	Matt Earl Beesley	Carlton Cuse & Damon Lindelof	Mr. Eko	January 11, 2006 (2006-01-11)	20.56^[37]
Charlie takes Mr. Eko to the drug smuggler's plane. Mr. Eko finds the body of his brother in the plane. Charlie takes some of the plane's statues, filled with heroin, and Claire loses trust in Charlie. In flashbacks, Mr. Eko is a drug warlord in Nigeria, and accidentally gets his brother killed and onto the plane.
36	11	"The Hunting Party"	Stephen Williams	Elizabeth Sarnoff & Christina M. Kim	Jack	January 18, 2006 (2006-01-18)	19.13^[38]
Michael leaves the survivors in search of Walt. Jack, Locke, and Sawyer pursue Michael but encounter the Others in the jungle. The Others take Kate hostage but release her when Jack, Locke, and Sawyer give up their weapons and agree to go back. Thus, they are forced to retreat without Michael, who is now in the Others' 'care'. In flashbacks, Jack's wife leaves him.
37	12	"Fire + Water"	Jack Bender	Edward Kitsis & Adam Horowitz	Charlie	January 25, 2006 (2006-01-25)	19.05^[39]
Charlie has a dream that Aaron's life is in danger and believes the infant needs to be baptized. Claire, believing Charlie may be using drugs, is disgusted by Charlie, and Locke moves the heroin statues to the hatch. In flashbacks, Charlie's one-hit wonder band unsuccessfully tries to regain some of their past fame.
38	13	"The Long Con"	Roxann Dawson	Steven Maeda & Leonard Dick	Sawyer	February 8, 2006 (2006-02-08)	18.74^[40]
When Sun is mysteriously attacked, tension builds between Jack, Locke, Kate, and Ana Lucia regarding the guns. It is revealed that Sawyer and Charlie had conned them all as a means for Sawyer to gain control of the guns and Charlie to get revenge on Locke. In flashbacks, Sawyer reluctantly cons a woman he develops feelings for.
39	14	"One of Them"	Stephen Williams	Damon Lindelof & Carlton Cuse	Sayid	February 15, 2006 (2006-02-15)	18.20^[41]
Rousseau leads Sayid to a captured man she believes is one of the Others. The man calls himself Henry Gale and says he crashed on the island while flying a hot air balloon. Sayid, however, believes him to be one of the Others, and goes back to his ways as a torturer to get information from the captive. In flashbacks, Sayid tortures a prisoner in Iraq for the first time.
40	15	"Maternity Leave"	Jack Bender	Dawn Lambertsen Kelly & Matt Ragghianti	Claire	March 1, 2006 (2006-03-01)	16.43^[42]
When Aaron becomes sick, Claire, Kate, and Rousseau travel to where Claire was held captive, an abandoned Dharma medical station, in the hope of finding a cure. Jack and Locke argue over how to deal with the captive Henry. Claire's memories of being held captive by Ethan and her escape with the help of Rousseau and her daughter, who is now one of the Others, begin to return.
41	16	"The Whole Truth"	Karen Gaviola	Elizabeth Sarnoff & Christina M. Kim	Sun	March 22, 2006 (2006-03-22)	15.30^[43]
Ana Lucia, Sayid, and Charlie search for Henry's balloon. Sun discovers that she is pregnant. In flashbacks, Sun finds out that Jin is infertile.
42	17	"Lockdown"	Stephen Williams	Carlton Cuse & Damon Lindelof	Locke	March 29, 2006 (2006-03-29)	16.21^[44]
The hatch suddenly traps Locke, who is forced to ask Henry to enter the numbers into the computer. Ana Lucia, Sayid, and Charlie return and reveal that "Henry Gale" is lying and that he is one of the Others. In flashbacks, Locke's marriage proposal to Helen is rejected because of his inability to let go of the pain his father caused him.
43	18	"Dave"	Jack Bender	Edward Kitsis & Adam Horowitz	Hurley	April 5, 2006 (2006-04-05)	16.38^[45]
Hurley chases after his old imaginary friend "Dave" in the jungle, and his relationship with Libby develops. Locke questions his own commitment to the hatch after "Henry" claims to have never entered the numbers. Hurley remembers his time at a mental institution. It is revealed via flashback that Libby was a patient at the mental institution as well.
44	19	"S.O.S."	Eric Laneuville	Steven Maeda & Leonard Dick	Rose & Bernard	April 12, 2006 (2006-04-12)	15.68^[46]
Bernard attempts to create an SOS signal, but stops when Rose tells him that she wants to stay on the island because she thinks it has cured her cancer. Romantic sparks are rekindled between Jack and Kate. Locke continues to lose faith in the island. In flashbacks, Rose and Bernard have their honeymoon in Australia. Michael reappears from the jungle when Jack and Kate try to trade "Henry" to the Others in exchange for Walt.
45	20	"Two for the Road"	Paul Edwards	Elizabeth Sarnoff & Christina M. Kim	Ana Lucia	May 3, 2006 (2006-05-03)	15.56^[47]
Michael returns with news that the Others are virtually defenseless. Ana Lucia tries to get "Henry" to tell the truth. Hurley takes Libby on a surprise date. In the hatch, Michael shoots Ana Lucia in the stomach once and Libby twice, in order to release "Henry". In flashbacks, Ana Lucia works as a bodyguard for Jack's father in Australia.
46	21	"?"	Deran Sarafian	Damon Lindelof & Carlton Cuse	Mr. Eko	May 10, 2006 (2006-05-10)	16.35^[48]
Mr. Eko and Locke find another Dharma station, The Pearl, which is monitoring the other stations via video surveillance. Blaming "Henry" for Ana Lucia's death, Michael watches worriedly as Libby struggles to survive. Jack and the other survivors wrestle with saying goodbye to Libby, while attempting to help ease her passing. In flashbacks, Mr. Eko investigates a miracle as a priest in Australia.
47	22	"Three Minutes"	Stephen Williams	Edward Kitsis & Adam Horowitz	Michael	May 17, 2006 (2006-05-17)	14.67^[49]
Michael convinces Jack, Kate, Sawyer, and Hurley to help him rescue Walt. At the double funeral for Ana Lucia and Libby, Sayid tells Jack of his suspicion that Michael has been compromised by the Others. Flashbacks reveal Michael's time being held captive by the Others, during which he made a deal to first release "Henry", and then trade Jack, Kate, Sawyer, and Hurley for Walt. Sun spots a sailboat floating towards the beach.
48 49	23 24	"Live Together, Die Alone"	Jack Bender	Carlton Cuse & Damon Lindelof	Desmond	May 24, 2006 (2006-05-24)	17.84^[50]
In flashbacks, Desmond is shipwrecked on the island and subsequently lives in the hatch with a man named Kelvin, whom he later accidentally kills. Meanwhile, Michael leads Jack, Kate, Sawyer, and Hurley to the Others, into a trap. "Henry", the apparent leader of the Others, takes Jack, Kate, and Sawyer as prisoners, releases Hurley, and allows Michael and Walt to leave the island on a boat. Desmond returns and says he believes that he caused the crash of Flight 815 when he entered the numbers into the computer too late. Locke stops entering the numbers and traps himself, Mr. Eko, Charlie, and Desmond inside the hatch, which implodes. In the epilogue, scientists working for Penelope Widmore locate the island.

Season 3 (2006–07)

Season three began airing on October 4, 2006, and ended on May 23, 2007. There were twenty-two episodes aired in two blocks. The first block consisted of six episodes and aired for six consecutive weeks. After a twelve-week break, the second block aired, and featured the remaining sixteen episodes. In addition to the twenty-two regular season episodes, two specials were aired. "Lost: A Tale of Survival" aired a week before the premiere, and "The Lost Survivor Guide" aired with episode seven, when the season returned from its twelve-week break.

Harold Perrineau Jr., Maggie Grace, Michelle Rodriguez, and Cynthia Watros, who played Michael, Shannon, Ana Lucia, and Libby, respectively, left the show after the second season. Michael Emerson, as Benjamin Linus (aka "Henry Gale"), and Henry Ian Cusick, as Desmond, became regular cast members in season three. Elizabeth Mitchell joined the main cast as Juliet, as did Kiele Sanchez and Rodrigo Santoro as previously unseen crash survivors Nikki and Paulo respectively.

Season three continues the story 67 days after the crash. The season begins where the second season left off: three of the crash survivors are held in captivity by the mysterious Others. More backstory on the Others, as well as the Dharma Initiative, is revealed. The survivors face continuous threats from their enemies, and also from their friends. The survivors attempt to make contact with a freighter which they believe is there to rescue them. Season three takes place over 24 days.

The third season averaged a total of 17.84 million viewers.^[51] The average of the live ratings presented below for season three is 13.74 million viewers per episode.

No. overall	No. in season	Title	Directed by	Written by	Featured character(s)	Original air date	U.S. viewers (millions)
50	1	"A Tale of Two Cities"	Jack Bender	Story by: Damon Lindelof Teleplay by: J. J. Abrams & Damon Lindelof	Jack	October 4, 2006 (2006-10-04)	18.82^[52]
Jack is imprisoned in the Hydra, a Dharma Initiative station, and interrogated by an Other named Juliet. Kate and Sawyer are kept in nearby cages. Sawyer tries to escape with a teenaged Other named Karl, but they are caught. "Henry Gale", whose real name is Ben, is revealed to be the leader of the Others. In flashbacks, Jack obsessively tries to find out who his wife Sarah is having an affair with during his divorce settlement. Jack suspects his father and attacks him at an Alcoholics Anonymous meeting. Jack is arrested and bailed out by his wife.
51	2	"The Glass Ballerina"	Paul Edwards	Jeff Pinkner & Drew Goddard	Sun & Jin	October 11, 2006 (2006-10-11)	16.89^[53]
Ben offers to take Jack off the island if he cooperates. Kate and Sawyer are let out to smash rocks and it is revealed that they are under video surveillance by Ben. On the sailboat, Sun, Jin and Sayid are ambushed by the Others. Sun shoots the Other Colleen and the boat is taken by the Others. Sun, Jin and Sayid make their way back to the survivors' camp. Flashbacks show Sun's father finding out about Sun's affair with Jae Lee. He orders Jin to kill Jae, but Jin threatens Jae instead, and Jae subsequently dies by suicide.
52	3	"Further Instructions"	Stephen Williams	Carlton Cuse & Elizabeth Sarnoff	Locke	October 18, 2006 (2006-10-18)	16.31^[54]
Locke, Desmond, and Eko survive the implosion of the hatch. Locke sees a vision of Boone and goes with Charlie to save Eko from a polar bear. Hurley discovers that Desmond can see the future.
53	4	"Every Man for Himself"	Stephen Williams	Edward Kitsis & Adam Horowitz	Sawyer	October 25, 2006 (2006-10-25)	17.09^[55]
Colleen dies and her husband Danny takes out his anger by beating Sawyer. Sawyer is deceived into thinking that a pacemaker has been implanted in him and his heart will explode if his heart rate exceeds 140 bpm. Ben reveals to Sawyer that trying to escape is futile because they are on a separate island off the coast of the island where the survivors' camp is. In flashbacks, Sawyer cons his way out of prison and finds out that he has a daughter. After claiming that he doesn't care about her, he anonymously gives a large sum of money to his daughter.
54	5	"The Cost of Living"	Jack Bender	Alison Schapker & Monica Owusu-Breen	Mr. Eko	November 1, 2006 (2006-11-01)	16.07^[56]
Eko follows what appears to be his brother into the jungle. It turns out to be the smoke monster, which proceeds to kill Eko. Jack finds out that the reason he was captured was to operate on Ben's spinal tumor. Juliet conspires with Jack against Ben, telling him to kill Ben during surgery but to make it look like an accident. In flashbacks, Eko becomes a priest after Yemi is killed and Eko kills a few men to protect his town.
55	6	"I Do"	Tucker Gates	Damon Lindelof & Carlton Cuse	Kate	November 8, 2006 (2006-11-08)	17.15^[57]
Kate and Sawyer have sex. Danny almost kills Sawyer. Jack stops Ben's surgery and threatens to kill Ben unless Kate and Sawyer are given time to escape. In flashbacks, Kate tries to have an ordinary life and get married, but ends up running away after confessing to her husband about her past.
56	7	"Not in Portland"	Stephen Williams	Carlton Cuse & Jeff Pinkner	Juliet	February 7, 2007 (2007-02-07)	14.49^[58]
The teenaged Other Alex supplies Kate and Sawyer with a catamaran to return to their island, but first convinces them to help her rescue her boyfriend Karl from a room where he is being brainwashed by being forced to watch a video. Juliet kills Pickett, who is in pursuit of Kate and Sawyer. Jack finishes Ben's surgery. Flashbacks reveal that over three years prior to the crash, Juliet is a fertility doctor, and is able to make her sister fertile. Juliet is interviewed by Mittelos Bioscience.
57	8	"Flashes Before Your Eyes"	Jack Bender	Damon Lindelof & Drew Goddard	Desmond	February 14, 2007 (2007-02-14)	12.84^[59]
Charlie and Hurley attempt to get Desmond drunk so he will explain to them how he is able to see the future. An extended flashback reveals what happened to Desmond after the implosion of the hatch. Desmond relives a day of his life with Penny before coming to the island. He finds himself on the island again with the ability to see flashes of the future, most notably Charlie's approaching death.
58	9	"Stranger in a Strange Land"	Paris Barclay	Elizabeth Sarnoff & Christina M. Kim	Jack	February 21, 2007 (2007-02-21)	12.95^[60]
Juliet is put on trial for killing Danny. With Jack and Ben's help, Juliet does not receive the death penalty. The Others and Jack begin their journey to the Others' homes, which are located on a different island. Flashbacks show Jack getting his tattoos during a strange vacation in Thailand.
59	10	"Tricia Tanaka Is Dead"	Eric Laneuville	Edward Kitsis & Adam Horowitz	Hurley	February 28, 2007 (2007-02-28)	12.78^[61]
Kate and Sawyer return to the beach. Sayid and Locke follow Kate into the jungle as she seeks out Rousseau, teasing her with information about Alex. Hurley finds an old, abandoned van in the jungle, and believing this will boost spirits and give people hope, he enlists Jin, Charlie, and Sawyer to help him fix it. Flashbacks depict familial conflict when Hurley's father returns home on the heels of Hurley winning the lottery.
60	11	"Enter 77"	Stephen Williams	Carlton Cuse & Damon Lindelof	Sayid	March 7, 2007 (2007-03-07)	12.45^[62]
Locke, Sayid and Kate investigate a Dharma communications station in the jungle and meet its inhabitant, Mikhail. As they are leaving the station, Locke blows it up. Sawyer competes in a ping-pong competition against Hurley to get back his belongings, but loses and has to go without calling people nicknames for a week. In flashbacks, Sayid meets one of his former torture victims in Paris.
61	12	"Par Avion"	Paul Edwards	Christina M. Kim & Jordan Rosenberg	Claire	March 14, 2007 (2007-03-14)	12.48^[63]
Claire attempts to tie a rescue message to a flock of birds, which she recognizes as being part of a scientific study. Curious and angry over Desmond and Charlie's repeated attempts to halt her project, she confronts Desmond, and he reveals his visions of Charlie's death. In flashbacks, it is revealed that Christian Shepherd is Claire's biological father, a fact she was unaware of until after a car accident put her mother in a vegetative state. On the other side of the island, Locke, Sayid, Kate, and Danielle approach a sonic barrier fence protecting the home of the Others. Locke pushes their hostage, Mikhail, through the fence, killing him instantly. The group figures out a way to climb over the fence unharmed. The final shot shows Jack playing football with Tom in the Others' encampment.
62	13	"The Man from Tallahassee"	Jack Bender	Drew Goddard & Jeff Pinkner	Locke	March 21, 2007 (2007-03-21)	12.22^[64]
Locke, Sayid, and Kate encounter the Others' homes for the first time and find Jack relatively happy amongst them. Jack and Juliet, whose relationship has advanced, have cut a deal with Ben to leave the island on the Others' submarine, but Locke blows it up. Ben reveals that he has Locke's father in captivity. In flashbacks, Locke's father pushes him out of a window, which paralyzes Locke.
63	14	"Exposé"	Stephen Williams	Edward Kitsis & Adam Horowitz	Nikki & Paulo	March 28, 2007 (2007-03-28)	11.52^[65]
Charlie tells Sun that he and Sawyer were behind her kidnapping attempt in the jungle. The survivors investigate the apparent deaths of Nikki and Paulo. Flashbacks feature past characters such as Shannon and Boone, and show Nikki and Paulo arguing over diamonds that they conned from a millionaire television executive. On the island, Nikki releases venomous spiders upon Paulo, but they are both bitten and stuck in an eight-hour paralysis. The survivors do not figure out that Nikki and Paulo are not dead, only paralyzed, and accidentally bury them alive.
64	15	"Left Behind"	Karen Gaviola	Damon Lindelof & Elizabeth Sarnoff	Kate	April 4, 2007 (2007-04-04)	11.66^[66]
The Others and Locke leave the Others' homes, leaving behind Jack, Kate, Sayid and Juliet. It is shown the Others' sonic barrier fences stop the smoke monster from going past them. Hurley cons Sawyer into making amends with his fellow castaways. Flashbacks show the steps Kate took to reunite with her mother, who did not want her.
65	16	"One of Us"	Jack Bender	Carlton Cuse & Drew Goddard	Juliet	April 11, 2007 (2007-04-11)	12.09^[67]
Jack, Sayid, Kate, and Juliet return from the Others' camp and because of his insistence that they trust Juliet, the rest of the survivors question the motives of Jack. A mysterious illness strikes Claire, activated by an implant from the Others inside her and Juliet cares for her. Flashbacks show Juliet's time on the island, kept there against her will and unable to save women who get pregnant on the island from death. Flashbacks also show Juliet conspiring with Ben to be a mole in the survivors' camp.
66	17	"Catch-22"	Stephen Williams	Jeff Pinkner & Brian K. Vaughan	Desmond	April 18, 2007 (2007-04-18)	12.08^[68]
Led by flashes, Desmond coaxes Charlie, Hurley and Jin on a trek across the jungle where they discover Naomi, a parachutist. Kate turns to Sawyer after seeing Jack alone with Juliet. Flashbacks show Desmond's time as a monk and his meeting with Penny.
67	18	"D.O.C."	Frederick E.O. Toye	Edward Kitsis & Adam Horowitz	Sun	April 25, 2007 (2007-04-25)	11.86^[69]
After learning that the Others' pregnant women died before giving birth on the island, Sun allows Juliet to examine her in the Dharma medical station. Juliet reports back to Ben. Desmond meets a living Mikhail in the jungle and allows him to help save the life of Naomi. Flashbacks show Sun being blackmailed by Jin's biological mother, whom Sun thought to be dead. Hurley learns from Naomi that Oceanic flight 815 was "found" with "no survivors".
68	19	"The Brig"	Eric Laneuville	Damon Lindelof & Carlton Cuse	Locke	May 2, 2007 (2007-05-02)	12.33^[70]
Flashbacks show Locke living with the Others, who have his father in captivity. In the present, Locke persuades Sawyer to go with him to the Black Rock to see Locke's father. Sawyer kills Locke's father, who happens to be the original Sawyer.
69	20	"The Man Behind the Curtain"	Bobby Roth	Elizabeth Sarnoff & Drew Goddard	Ben	May 9, 2007 (2007-05-09)	12.11^[71]
Locke returns to the Others and Ben begrudgingly takes Locke to meet the Others' mysterious leader Jacob. Locke is unable to see Jacob, but can hear him, and because of this Ben shoots Locke and leaves him for dead. The survivors' mistrust of Jack peaks when Juliet is exposed as a mole; however, Juliet in turn reveals that she has been working with Jack against the Others. Flashbacks show when Ben first came to the island as a boy as part of the Dharma Initiative. Ben conspires with the Others (at least one of whom, Richard Alpert, does not age in the next thirty years) and kills most of Dharma.
70	21	"Greatest Hits"	Stephen Williams	Edward Kitsis & Adam Horowitz	Charlie	May 16, 2007 (2007-05-16)	12.32^[72]
Jack learns of the Others' plan to ambush the survivors and kidnap their pregnant women, and he comes up with a plan to kill the Others with dynamite. Desmond informs Charlie of another flash in which Claire and Aaron are saved as a result of Charlie swimming to an underwater Dharma station that is jamming all transmissions. In order for this to work, however, Charlie must die. Charlie understands his fate and successfully makes it to the station. Charlie writes down the five greatest moments of his life and gives them to Desmond to give to Claire.
71 72	22 23	"Through the Looking Glass"	Jack Bender	Carlton Cuse & Damon Lindelof	Jack	May 23, 2007 (2007-05-23)	13.86^[73]
In this double-length episode, Jack's plan to kill the Others backfires, and Sayid, Jin, and Bernard are held hostage by the Others at the beach. Led by Rousseau, the castaways travel to the radio tower to turn off Rousseau's transmission. Naomi makes contact with her boat, but is stabbed by Locke, who along with Ben, believes that the survivors are making a mistake. After successfully shutting down the jammer, Charlie makes contact with Penny Widmore in the underwater Dharma station and discovers that Naomi's boat has nothing to do with Penny, but Charlie drowns in the communications room when Mikhail detonates a hand grenade outside the porthole. Before drowning, Charlie warns Desmond by writing on his hand, "Not Penny's Boat." Sawyer, Juliet, and Hurley rescue the castaways at the beach. Instead of flashbacks, flashforwards show Jack's miserable life after rescue from the island, culminating in a meeting with Kate in which Jack says that they weren't supposed to leave and must go back to the island.

Season 4 (2008)

Season four began airing on January 31, 2008, and concluded on May 29, 2008. Production began in August 2007 and was prematurely stopped in November 2007 due to the 2007–2008 Writers Guild of America strike. The original plan was to air all sixteen episodes in one consecutive block, uninterrupted by repeats.^[74] After the strike was resolved, it was decided that the remaining story for the season would be condensed into what co-creator Damon Lindelof called a "lean, mean five". This would include a three-hour finale, after Lindelof and Carlton Cuse petitioned ABC. Due to the time lost to the strike there was a mini-hiatus after the eighth episode had aired. The series resumed with its post-strike episodes on April 24, 2008.

Adewale Akinnuoye-Agbaje, Dominic Monaghan, and Kiele Sanchez and Rodrigo Santoro, who played Mr. Eko, Charlie, and Nikki and Paulo, respectively, left the cast during the third season, and Harold Perrineau rejoined the main cast as Michael. Alongside Perrineau, three new actors joined the main cast. Jeremy Davies, Ken Leung, and Rebecca Mader play Daniel Faraday, Miles Straume, and Charlotte Lewis respectively.

Season 4 continues the story 91 days after the crash. The season focuses on the survivors splitting into two groups, after making contact with a freighter off-shore. Throughout the season, flashforwards show the lives of the "Oceanic Six", five original survivors and Aaron who make it off the island and have returned to their old lives. The season takes place over 17 days.

The fourth season averaged a total of 13.40 million viewers.^[75] The average of the live ratings presented below for season four is 12.73 million viewers per episode.

No. overall	No. in season	Title	Directed by	Written by	Featured character(s)	Original air date	U.S. viewers (millions)
73	1	"The Beginning of the End"	Jack Bender	Damon Lindelof & Carlton Cuse	Hurley	January 31, 2008 (2008-01-31)	16.07^[76]
Upon learning that Penny did not send the freighter, the survivors of 815 split into two groups led by Jack and Locke. Meanwhile, Hurley and Claire struggle with the news of Charlie's death. In flashforwards, Hurley is revealed to be one of the "Oceanic Six"—a group of six survivors, including Jack and Kate, of the crash of 815 who have escaped the island.
74	2	"Confirmed Dead"	Stephen Williams	Drew Goddard & Brian K. Vaughan	Faraday, Charlotte, Miles, Frank	February 7, 2008 (2008-02-07)	15.06^[77]
A science team from the freighter flown via helicopter by pilot Frank arrives on the island. A single flashback for each of the freighter crew members introduces their backstories. The episode's final flashback focuses on the late Naomi, who meets with Abaddon to discuss the science team and pilot. The team consists of Daniel, a physicist; Miles, a medium; and Charlotte, an anthropologist.
75	3	"The Economist"	Jack Bender	Edward Kitsis & Adam Horowitz	Sayid	February 14, 2008 (2008-02-14)	13.62^[78]
Sayid makes a deal with Frank to leave the island, in exchange for freeing Charlotte. Sayid holds up his end of the deal; however, he obtains Charlotte by trading her for Miles. Frank, Sayid, and Desmond leave the island for the freighter by helicopter. In flashforwards, Sayid works as an assassin for Ben.
76	4	"Eggtown"	Stephen Williams	Elizabeth Sarnoff & Greggory Nations	Kate	February 21, 2008 (2008-02-21)	13.53^[79]
Kate goes on a quest to get information from Miles, which leads to her banishment from Locke's group. In flashforwards, Kate goes on trial for her numerous past crimes.
77	5	"The Constant"	Jack Bender	Carlton Cuse & Damon Lindelof	Desmond	February 28, 2008 (2008-02-28)	12.85^[80]
Upon arriving on the freighter, Desmond gains his 1996 consciousness and time travels between 2004 and 1996. In 1996, he finds Daniel, who explains to him that he needs to find something or someone familiar in both times to stop his life-threatening time traveling. In 1996, he locates Penny; in 2004, he contacts Penny.
78	6	"The Other Woman"	Eric Laneuville	Drew Goddard & Christina M. Kim	Juliet	March 6, 2008 (2008-03-06)	12.90^[81]
Juliet and Jack pursue Daniel and Charlotte, after they leave without notice for the Dharma electrical station, where they render a deadly gas inert. Meanwhile, Ben, who is being held captive by Locke, tells Locke about Widmore. Flashbacks show Juliet's relationships with Ben, her lover Goodwin and his wife Harper.
79	7	"Ji Yeon"	Stephen Semel	Edward Kitsis & Adam Horowitz	Sun & Jin	March 13, 2008 (2008-03-13)	11.87^[82]
When Jin and Sun decide to join Locke's group, Juliet informs Jin of Sun's affair. On the freighter, Desmond and Sayid meet Gault, who offers more details on the fake wreckage of 815 previously mentioned by Naomi. Flashbacks show Jin on a maternal mission, while flashforwards show Sun giving birth.
80	8	"Meet Kevin Johnson"	Stephen Williams	Elizabeth Sarnoff & Brian K. Vaughan	Michael	March 20, 2008 (2008-03-20)	11.28^[83]
Sayid and Desmond confront Ben's spy on the freighter: Michael. Flashbacks show how Michael got from New York to the freighter, including his suicide attempts and deal with the Others. Ben sends Alex, accompanied by Karl and Danielle, to a Temple on the island where they will supposedly be safe, but they are attacked on the way, and Karl and Danielle are killed.
81	9	"The Shape of Things to Come"	Jack Bender	Brian K. Vaughan & Drew Goddard	Ben	April 24, 2008 (2008-04-24)	12.33^[84]
A team of mercenaries from the freighter attacks Locke's group at the barracks. The leader of the team, Keamy, takes Alex hostage and eventually kills her. In flashforwards, Ben recruits Sayid as his assassin and confronts Widmore.
82	10	"Something Nice Back Home"	Stephen Williams	Edward Kitsis & Adam Horowitz	Jack	May 1, 2008 (2008-05-01)	11.14^[85]
Sawyer, Miles, and Claire make their way back to the beach camp from the Barracks, but Claire disappears in the night with her deceased father. Meanwhile, Jack falls ill with appendicitis and the survivors work together to save him. In flashforwards, Jack's life begins to fall apart as he starts taking pills and his relationship with Kate becomes strained.
83	11	"Cabin Fever"	Paul Edwards	Elizabeth Sarnoff & Kyle Pennington	Locke	May 8, 2008 (2008-05-08)	11.28^[86]
Locke, Ben, and Hurley journey to Jacob's cabin, where Locke is informed that they have to move the Island. After returning to the freighter, the mercenaries stage a mutiny. In flashbacks, Locke is shown to have been visited by Richard Alpert many times throughout his life.
84	12	"There's No Place Like Home (Part 1)"	Stephen Williams	Damon Lindelof & Carlton Cuse	Jack, Hurley, Sayid, Sun, Kate	May 15, 2008 (2008-05-15)	11.40^[87]
Six of the survivors are taken to the freighter and explosives are discovered on board. Meanwhile, Ben surrenders to the mercenaries and Kate and Sayid meet the Others in the forest. Flashforwards show the Oceanic Six's first actions after returning home.
85 86	13 14	"There's No Place Like Home (Parts 2 & 3)"	Jack Bender	Carlton Cuse & Damon Lindelof	Jack, Hurley, Sayid, Sun, Kate	May 29, 2008 (2008-05-29)	12.20^[88]
After Kate, Sayid and the Others free Ben and kill the mercenaries, Jack, Kate, Sayid, Hurley, Sun, Aaron, Desmond and Frank are rescued by Penny after Ben and Locke succeed in moving the island and the freighter explodes. In flashforwards, the Oceanic Six and Walt react to visits from a man known as Jeremy Bentham.

Season 5 (2009)

Season five began airing on January 21, 2009, and ended on May 13, 2009, featuring seventeen episodes.^[89] A clip show recapping the first four seasons preceded the premiere.^[90] Season five follows two time lines. The first takes place on the island, where the remaining survivors begin to erratically jump forward and backward through time, following the island being moved in both space and time by Ben, and focuses on the events that lead up to Locke stopping the time jumps and leaving the Island. The second takes place off the island following Locke's death and deals with Jack and Ben's attempt to reunite the Oceanic Six and return to the island with Locke's dead body.^[91] The second part of the season starts after the time jumps end and the Oceanic Six return to the island on Ajira Airways Flight 316. The show continues to follow two time lines, both of which take place on the island. The first takes place in 1977 when the survivors who had been left behind are stranded after jumping around in time. It is also where some of the Oceanic Six are transported during the return flight to the island. The second takes place in late 2007 after Flight 316 is forced to crash land on the island.

Harold Perrineau, who plays Michael Dawson, left the cast at the conclusion of the fourth season. Emilie de Ravin, who plays Claire Littleton, was placed on a holding contract, but she returned in the sixth and final season of Lost as a main cast member.

The fifth season averaged a total of 10.94 million viewers.^[92] The average of the live ratings presented below for season five is 9.89 million viewers per episode.

No. overall	No. in season	Title	Directed by	Written by	Featured character(s)	Original air date	U.S. viewers (millions)
87	1	"Because You Left"	Stephen Williams	Damon Lindelof & Carlton Cuse	none	January 21, 2009 (2009-01-21)	11.66^[93]
The remaining survivors begin to erratically jump through time after the island is moved. Jack and Ben begin their quest to reunite the Oceanic Six. Hurley and Sayid are ambushed at their safehouse. Kate and Aaron flee their house, after being ordered to submit to a maternity test by two lawyers. Sun has an interesting conversation with Mr. Widmore.
88	2	"The Lie"	Jack Bender	Edward Kitsis & Adam Horowitz	Hurley	January 21, 2009 (2009-01-21)	11.08^[93]
In 2007, Hurley and Sayid are on the run from the police. Hurley confesses to his mother that the Oceanic Six have been lying. Back in 1954, the island survivors are attacked by armed men. Ben learns that he only has seventy hours to reunite the Oceanic Six and return them to the island.
89	3	"Jughead"	Rod Holcomb	Elizabeth Sarnoff & Paul Zbyszewski	Desmond	January 28, 2009 (2009-01-28)	11.07^[94]
In 2007, Desmond goes in search of Daniel Faraday's mother and learns from Charles Widmore that she is in Los Angeles. In 1954, Locke is unable to convince Alpert he is from the future and Faraday is given the task of defusing a hydrogen bomb.
90	4	"The Little Prince"	Stephen Williams	Brian K. Vaughan & Melinda Hsu Taylor	Kate	February 4, 2009 (2009-02-04)	10.98^[95]
While on their way to the Orchid Station, the island survivors jump to the day Aaron was born, and then to 1988, where Jin is found by Danielle Rousseau's science team. In 2007, Jack, Kate, Sayid and Ben meet and Kate realizes that Ben sent the lawyers after her and Aaron.
91	5	"This Place Is Death"	Paul Edwards	Edward Kitsis & Adam Horowitz	Sun & Jin	February 11, 2009 (2009-02-11)	9.77^[96]
In 1988, Jin and Rousseau's team are attacked by the smoke monster on their way to the radio tower. Charlotte confesses that she grew up on the island before dying. John Locke leaves the island by turning the wheel in the frozen chamber. Off the island, in 2007, Ben brings Jack and Sun to Eloise Hawking, Daniel's mother, at the same time that Desmond finds her.
92	6^[97]	"316"	Stephen Williams	Damon Lindelof & Carlton Cuse	Jack	February 18, 2009 (2009-02-18)	11.27^[98]
In 2007, Eloise Hawking tells the Oceanic Six how to return to the island. Jack, Kate, Hurley, Sun, Sayid, and Ben board Ajira Airways Flight 316, which is piloted by Frank Lapidus, with Locke's body. After a flash of white light on the plane, Jin finds Jack, Kate and Hurley back on the island in 1977.
93	7^[97]	"The Life and Death of Jeremy Bentham"	Jack Bender	Carlton Cuse & Damon Lindelof	Locke	February 25, 2009 (2009-02-25)	9.82^[99]
Locke, who is suddenly alive following the crash of Flight 316 on the island, is questioned by the other survivors and finds Ben among the injured. In flashback, Locke's off-island mission to reunite the Oceanic Six and return them to the island is aided by Charles Widmore and Matthew Abaddon before Ben murders Locke.
94	8	"LaFleur"	Mark Goldman	Elizabeth Sarnoff & Kyle Pennington	Sawyer	March 4, 2009 (2009-03-04)	10.61^[100]
The remaining island survivors are left in 1974, following the end of the time jumps. They join the Dharma Initiative after rescuing one of their members, Amy, from the Others. After living with them for three years, Juliet helps Amy give birth and Sawyer, who is in love with Juliet, is reunited with Jack, Kate, and Hurley.
95	9	"Namaste"	Jack Bender	Paul Zbyszewski & Brian K. Vaughan	none	March 18, 2009 (2009-03-18)	9.08^[101]
In 1977, Sawyer arranges for Jack, Kate and Hurley to join the Dharma Initiative. Sayid is found by Jin; however, he is forced to pretend he is an Other and is subsequently imprisoned by Dharma. In 2007, following the crash of Flight 316, Sun and Frank learn from Christian Shephard that the other survivors are trapped in the past.
96	10	"He's Our You"	Greg Yaitanes	Edward Kitsis & Adam Horowitz	Sayid	March 25, 2009 (2009-03-25)	8.82^[102]
In 1977, Sayid does not cooperate with Sawyer and members of the Dharma Initiative vote to execute Sayid. A 12-year-old Ben frees Sayid in his effort to join the Others. However, once they have escaped, Sayid shoots Ben. In flashbacks, Sayid is caught by Ilana, a bounty hunter, who has been hired to take him to Guam.
97	11	"Whatever Happened, Happened"	Bobby Roth	Carlton Cuse & Damon Lindelof	Kate	April 1, 2009 (2009-04-01)	9.35^[103]
Juliet is unable to treat Ben's gunshot wound and Jack refuses to help, leading Kate to take Ben to the Others to be healed. Richard explains that the process will change Ben forever. In flashbacks, Kate decides to return to the island and leaves Aaron in the care of his grandmother.
98	12	"Dead Is Dead"	Stephen Williams	Brian K. Vaughan & Elizabeth Sarnoff	Ben	April 8, 2009 (2009-04-08)	8.29^[104]
In 2007, Ben and Locke travel to the main island so that Ben can be judged by the smoke monster for letting Alex die. Meanwhile, Frank returns to Hydra Island and is taken hostage by the survivors of Flight 316. Flashbacks show Ben's abduction of Alex in the late 1980s and his confrontation with Desmond and Penny prior to boarding Flight 316.
99	13	"Some Like It Hoth"	Jack Bender	Melinda Hsu Taylor & Greggory Nations	Miles	April 15, 2009 (2009-04-15)	9.23^[105]
In 1977, Roger, Ben's father, begins to suspect Kate in Ben's disappearance. Miles is given the task of taking a body from the construction site of the Swan Station, to his father, Dr. Chang. In flashbacks, Miles learns of his ability to speak with the dead and is hired to travel to the island on the freighter.
100	14	"The Variable"	Paul Edwards	Edward Kitsis & Adam Horowitz	Faraday	April 29, 2009 (2009-04-29)	9.04^[106]
In 1977, Daniel Faraday returns to the island in order to warn its inhabitants of a catastrophe involving the Swan Station. Jack, Kate, and Daniel start a gun fight with the Dharma Initiative, leading Dharma to go after Sawyer and Juliet. Daniel has a plan to change the future by detonating the hydrogen bomb at the same time as the Incident at the Swan Station. However, when he goes to the others to find out where the bomb is, he is shot in the back and killed by the younger version of his own mother. In flashbacks, Daniel's relationship with his parents, Eloise Hawking and Charles Widmore, is shown.
101	15	"Follow the Leader"	Stephen Williams	Paul Zbyszewski & Elizabeth Sarnoff	none	May 6, 2009 (2009-05-06)	8.70^[107]
In 1977, Jack decides to follow Faraday's advice to detonate the hydrogen bomb; however Kate disagrees. Dr. Chang convinces Dharma to evacuate the island, allowing Sawyer, Kate and Juliet to board the submarine and leave the island. In 2007, Locke reunites with the Others and Richard, who accompany him on a journey to kill Jacob.
102 103	16 17	"The Incident"	Jack Bender	Damon Lindelof & Carlton Cuse	Jacob	May 13, 2009 (2009-05-13)	9.43^[108]
In 1977, the survivors succeed in detonating the modified nuclear bomb at the construction site of the Swan station, the finale ending when the bomb is detonated. In 2007, Locke and the Others travel to the base of the four-toed statue, where Jacob lives. Locke is revealed to be an impostor: an old acquaintance of Jacob who manipulates Ben into killing Jacob. In flashbacks, Jacob visits several of the main characters at key moments in their lives prior to crashing on the island.

Season 6 (2010)

The sixth and final season premiered on February 2, 2010, with a two-hour premiere preceded by a one-hour clip show.^[109] The show continued from February 9, 2010, at its new time slot of Tuesdays at 9:00 pm with a total of 18 episodes airing in 16 broadcasts, and ended with a four-and-a-half-hour series finale on Sunday, May 23, 2010. The finale began with a two-hour recap special, and continued with the two-and-a-half-hour final episode.^[110]

This season introduced "flash-sideways." It represents a world created by the collective minds of the Oceanic 815 survivors for their souls to find one another in the afterlife and to remember their previous lives together, as revealed in the finale.

Jeremy Davies, Rebecca Mader, and Elizabeth Mitchell, who played Daniel Faraday, Charlotte Lewis, and Juliet Burke, respectively, left the show after the fifth season, but all three reprised their characters for the sixth. Former recurring cast members Nestor Carbonell, Jeff Fahey, and Zuleikha Robinson, who played the roles Richard Alpert, Frank Lapidus, and Ilana Verdansky, were promoted to the starring cast, and Emilie de Ravin returned as main character Claire Littleton after a year-long absence.

Multiple former and recurring cast members made an appearance in the final episode. For the special occasion, Sam Anderson, François Chau, L. Scott Caldwell, Jeremy Davies, Fionnula Flanagan, Maggie Grace, Rebecca Mader, Elizabeth Mitchell, Dominic Monaghan, Ian Somerhalder, John Terry, Sonya Walger, and Cynthia Watros were listed in the starring cast.

The sixth season totals an average of 10.08 million viewers.^[111] The average of the live ratings presented below for season six is 10.16 million viewers per episode.

No. overall	No. in season	Title	Directed by	Written by	Featured character(s)	Original air date	U.S. viewers (millions)
104 105	1 2	"LA X"	Jack Bender	Damon Lindelof & Carlton Cuse	various	February 2, 2010 (2010-02-02)	12.09^[112]
Two outcomes of the detonation of the hydrogen bomb are presented. In the first, Flight 815 lands safely at LAX, where Kate escapes from the marshal and Jack learns that his father's body was lost in transit. In the second, the survivors return to the present day after Jacob's death; Juliet dies and Sayid is resurrected after being brought to the Others' temple. Also, the Man in Black, who is impersonating Locke, is revealed to be the Smoke Monster and kills several of Ilana's team from Flight 316.
106	3	"What Kate Does"	Paul Edwards	Edward Kitsis & Adam Horowitz	Kate	February 9, 2010 (2010-02-09)	11.05^[113]
When Sawyer escapes from the temple, Kate and Jin are sent to bring him back. Meanwhile, the Others determine Sayid is infected and attempt to poison him. In the flash sideways, Kate, still on the run, takes Claire to a hospital when she goes into labor.
107	4	"The Substitute"	Tucker Gates	Elizabeth Sarnoff & Melinda Hsu Taylor	Locke	February 16, 2010 (2010-02-16)	9.82^[114]
On the island, the Man in Black attempts to recruit Sawyer in his attempt to leave the island, while an impromptu funeral is held for the real Locke. In the flash sideways, Locke is fired from his job and becomes a substitute teacher.
108	5	"Lighthouse"	Jack Bender	Carlton Cuse & Damon Lindelof	Jack	February 23, 2010 (2010-02-23)	9.95^[115]
On Jacob's orders, Hurley leads Jack to a lighthouse. Meanwhile, Claire questions an Other she has captured while tending to an injured Jin. In the flash sideways, Jack is a single father trying to bond with his son.
109	6	"Sundown"	Bobby Roth	Paul Zbyszewski & Graham Roland	Sayid	March 2, 2010 (2010-03-02)	9.29^[116]
After recruiting Sayid to his cause, the Man in Black issues an ultimatum to the Others: either join him or die. Meanwhile, Kate is reunited with Claire. In the flash sideways, Sayid helps his brother, who is in debt to a loan shark.
110	7	"Dr. Linus"	Mario Van Peebles	Edward Kitsis & Adam Horowitz	Ben	March 9, 2010 (2010-03-09)	9.49^[117]
Ilana discovers Ben killed Jacob, so she plans to kill him. Meanwhile, Jack, Hurley and a suicidal Richard visit the Black Rock. In the flash sideways, Ben, a high school teacher, tries to blackmail the school's principal.
111	8	"Recon"	Jack Bender	Elizabeth Sarnoff & Jim Galasso	Sawyer	March 16, 2010 (2010-03-16)	8.87^[118]
The Man in Black sends Sawyer on a reconnaissance mission to Hydra Island, where he discovers that Charles Widmore has returned to the island with a team of scientists. In the flash sideways, Sawyer is a lonely cop who is still searching for the original Sawyer.
112	9	"Ab Aeterno"	Tucker Gates	Melinda Hsu Taylor & Greggory Nations	Richard	March 23, 2010 (2010-03-23)	9.31^[119]
Richard Alpert's back story is shown: In 1867, he is brought to the island on the Black Rock as a slave. He makes a deal with Jacob to be his representative in exchange for immortality. In the present day, Hurley convinces him to help the candidates replace Jacob and stop the Man in Black from leaving the Island.
113	10	"The Package"	Paul Edwards	Paul Zbyszewski & Graham Roland	Sun & Jin	March 30, 2010 (2010-03-30)	10.13^[120]
After Jin is kidnapped and taken to Hydra Island by Widmore's team, the Man in Black confronts Widmore. On the main island, Sun loses her ability to speak English. In the flash sideways, Sun and Jin are abducted after failing to complete a transaction for Sun's father.
114	11	"Happily Ever After"	Jack Bender	Carlton Cuse & Damon Lindelof	Desmond	April 6, 2010 (2010-04-06)	9.55^[121]
On the island, Widmore subjects Desmond to a large amount of electromagnetic energy as an experiment. In the flash sideways, Desmond, with the aid of Charlie, starts to have visions of his life in the original timeline.
115	12	"Everybody Loves Hugo"	Daniel Attias	Edward Kitsis & Adam Horowitz	Hurley	April 13, 2010 (2010-04-13)	9.48^[122]
In order to prevent more loss of life, Hurley leads the other survivors to speak with the Man in Black. In the flash sideways, Hurley meets Libby, while Desmond continues his mission to let the Oceanic 815 passengers know of their lives on the island.
116	13	"The Last Recruit"	Stephen Semel	Paul Zbyszewski & Graham Roland	various	April 20, 2010 (2010-04-20)	9.53^[123]
The survivors split into two groups; one led by Sawyer, the other by the Man in Black. Sawyer's group travels to Hydra Island, where they are captured by Widmore's crew after Sun and Jin are reunited. In the flash sideways, the passengers of Oceanic 815 continue to cross paths with each other.
117	14	"The Candidate"	Jack Bender	Elizabeth Sarnoff & Jim Galasso	Jack & Locke	May 4, 2010 (2010-05-04)	9.59^[124]
After the remaining survivors are reunited, Sawyer and Jack hatch a plan to divert the Man in Black's attention and leave the island without him on Widmore's submarine, but disastrous consequences await them. In the flash sideways, Jack investigates the cause of Locke's paralysis and offers treatment.
118	15	"Across the Sea"	Tucker Gates	Carlton Cuse & Damon Lindelof	Jacob & Man in Black	May 11, 2010 (2010-05-11)	10.32^[125]
Jacob and the Man in Black are revealed to be twin brothers. They are raised by a mysterious woman who is charged with protecting the island. As revenge for the murder of their adoptive mother (who killed their real mother), Jacob throws his brother into the source of electromagnetism after being made the island's guardian, which transforms the Man in Black into the smoke monster.
119	16	"What They Died For"	Paul Edwards	Edward Kitsis & Adam Horowitz & Elizabeth Sarnoff	various	May 18, 2010 (2010-05-18)	10.47^[126]
Ben finally takes his revenge on Widmore after accepting the Man in Black's request for assistance. Jacob explains the purpose of the candidates, and Jack volunteers to take his place. The search for Desmond reveals that he has been rescued and the Man in Black plans to use him to destroy the island. In the flash sideways, each person ends up on their way to a concert.
120 121	17 18	"The End"	Jack Bender	Damon Lindelof & Carlton Cuse	various	May 23, 2010 (2010-05-23)	13.57^[126]
For different reasons, Jack and the Man in Black both use Desmond to extinguish the light at the heart of the island. The island starts disintegrating, but The Man in Black is also made mortal. Still desperate to escape, The Man in Black fights Jack and mortally wounds him, but with help from Kate, Jack kills him. Realizing his destiny, Jack sacrifices himself to relight the heart of the island, so his friends can escape on the Ajira plane. Hurley takes Jack's place as protector of the island and makes Ben the new advisor. The flash sideways is revealed to be a type of limbo, or holding pattern, for the main characters, where they reside until accepting their life and death, and are then able to "let go" and "move on" together.

Specials

Epilogue

Title	Directed by	Written by	Featured character(s)	Original air date
"The New Man in Charge"	Paul Edwards	Melinda Hsu Taylor, Graham Roland & Jim Galasso	Hurley, Ben & Walt	August 24, 2010 (2010-08-24) (on DVD)
Following the events of the series finale, Ben relieves two Dharma Initiative employees of their duties before answering a few lingering questions. Afterwards, Ben recruits an old friend to rejoin him on the island.

Mobisodes: Lost: Missing Pieces

Lost: Missing Pieces consists of thirteen original two- to three-minute clips referred to as "mobisodes" which were produced for cell phones and released between seasons three and four. Six days after they became available for cell phones, they could be streamed from ABC.com. "Prod. no." stands for production code number, which indicates in what order the mobisodes were produced, and in the order they appear on the DVD and Blu-ray.

No.	Title	Directed by	Written by	Featured character(s)	Original air date	Prod. code
1	"The Watch"	Jack Bender	Carlton Cuse	Jack & Christian	November 7, 2007 (2007-11-07)	107
Years before the crash on the day before Jack's wedding with Sarah, Jack's father Christian apologizes to Jack for not having been as good a father as he could have been. Christian gives Jack a watch that had been passed down to him by his father.
2	"The Adventures of Hurley and Frogurt"	Jack Bender	Edward Kitsis & Adam Horowitz	Hurley & Frogurt	November 13, 2007 (2007-11-13)	103
As Hurley gets wine for his picnic with Libby on day 64, he is confronted by crash survivor Neil, a frozen yogurt salesman nicknamed Frogurt. Frogurt tells Hurley that he also has a crush on Libby and is waiting for Hurley's relationship with her to crumble.
3	"King of the Castle"	Jack Bender	Brian K. Vaughan	Jack & Ben	November 20, 2007 (2007-11-20)	101
Sometime during days 75 to 79 when Jack is living with the Others in the Barracks, Jack and Ben play chess. Ben tells Jack that the island might not let him leave and if he does, Jack may regret it someday.
4	"The Deal"	Jack Bender	Elizabeth Sarnoff	Michael & Juliet	November 26, 2007 (2007-11-26)	110
On day 63, Juliet visits Michael during his captivity with the Others to discuss the necessity to free Walt from the island.
5	"Operation: Sleeper"	Jack Bender	Brian K. Vaughan	Jack & Juliet	December 3, 2007 (2007-12-03)	106
On the night of day 86, Juliet wakes Jack to confess that she has been working with Ben.
6	"Room 23"	Jack Bender	Elizabeth Sarnoff	Ben & Juliet	December 11, 2007 (2007-12-11)	104
Sometime during days 45 to 49, Walt Lloyd is being kept in Room 23. Juliet shows Ben several birds that have died outside Room 23.
7	"Arzt & Crafts"	Jack Bender	Damon Lindelof	Hurley, Jin, Sun, Michael & Arzt	December 17, 2007 (2007-12-17)	112
On day 7, Arzt tries to dissuade some of the crash survivors from following Jack by moving into the caves, that is until he hears the monster and decides to move there himself.
8	"Buried Secrets"	Jack Bender	Christina M. Kim	Jin, Sun & Michael	December 24, 2007 (2007-12-24)	105
Sometime during days 6 to 44, while burying her forged driver's license, Sun is discovered by Michael and they almost kiss.
9	"Tropical Depression"	Jack Bender	Carlton Cuse	Michael & Arzt	December 31, 2007 (2007-12-31)	111
On day 43, Arzt confesses to Michael that he lied about the upcoming monsoon season. He also tells him that he was in Australia to meet someone whom he found through Internet dating, but was rejected.
10	"Jack, Meet Ethan. Ethan? Jack."	Jack Bender	Damon Lindelof	Jack & Ethan	January 7, 2008 (2008-01-07)	102
Sometime during day 4, Ethan approaches Jack and gives him a suitcase of medical supplies, and the two discuss the possibility of Claire delivering her baby on the island. Ethan also tells Jack that his wife and baby died in childbirth.
11	"Jin Has a Temper-Tantrum on the Golf Course"	Jack Bender	Drew Goddard	Hurley, Jin & Michael	January 14, 2008 (2008-01-14)	108
On day 41, while playing a game of golf with Michael and Hurley, Jin shouts in frustration about his problems. Matthew Fox is credited for this mobisode, despite not making an appearance.
12	"The Envelope"	Jack Bender	Story by: Damon Lindelof Teleplay by: J. J. Abrams & Damon Lindelof	Juliet & Amelia	January 21, 2008 (2008-01-21)	109
On day 1, Juliet almost shows Amelia, a member of the Others' book club, Ben's x-rays. Ben's feelings for Juliet are hinted at.
13	"So It Begins"	Jack Bender	Drew Goddard	Jack, Christian & Vincent	January 28, 2008 (2008-01-28)	113
Just after the crash, on day 1, what appears to be Christian tells Vincent the dog to go and find Jack. The opening scene of the pilot episode is replayed, in which Jack opens his eye and sees Vincent walk by.

Recap specials

This section indexes official specials and recap episodes that were made specifically by the Lost team. Technically, these episodes are clip shows, but to distance them from the negative stereotypes clip shows receive, they are described as recap specials.

No.	Title	Narrated by	Aired between	Original air date	U.S. viewers (millions)
1	"Lost: The Journey"	Brian Cox Evangeline Lilly & Dominic Monaghan in Australia	"Do No Harm" "The Greater Good"	April 27, 2005 (2005-04-27)	13.75^[127]
2	"Destination Lost"	Peter Coyote	"Exodus" "Man of Science, Man of Faith"	September 21, 2005 (2005-09-21)	15.27^[28]
3	"Lost: Revelation"	Peter Coyote Hosted by J. J. Abrams in Australia	"What Kate Did" "The 23rd Psalm"	January 11, 2006 (2006-01-11)	13.52^[37]
4	"Lost: Reckoning"	Peter Coyote	"S.O.S." "Two for the Road"	April 26, 2006 (2006-04-26)	11.95^[128]
5	"Lost: A Tale of Survival"	Michael Emerson	"Live Together, Die Alone" "A Tale of Two Cities"	September 27, 2006 (2006-09-27)	9.03^[129]
6	"Lost Survivor Guide"	Kyle MacLachlan Hosted by Damon Lindelof & Carlton Cuse	"I Do" "Not in Portland"	February 7, 2007 (2007-02-07)	8.84^[58]
7	"Lost: The Answers"	Kyle MacLachlan Hosted by Damon Lindelof & Carlton Cuse	"Greatest Hits" "Through the Looking Glass"	May 17, 2007 (2007-05-17)	9.12^[72]
8	"Lost: Past, Present & Future"	Michael Emerson	"Through the Looking Glass" "The Beginning of the End"	January 31, 2008 (2008-01-31)	13.06^[76]
9	"Lost: Destiny Calls"	Doug Hutchison Hosted by Damon Lindelof & Carlton Cuse	"There's No Place Like Home" "Because You Left"	January 21, 2009 (2009-01-21)	8.48^[93]
10	"Lost: The Story of the Oceanic 6"	Nestor Carbonell	"Some Like It Hoth" "The Variable"	April 22, 2009 (2009-04-22)	6.75^[130]
11	"Lost: A Journey in Time"	Michael Emerson Hosted by Damon Lindelof & Carlton Cuse	"Follow the Leader" "The Incident"	May 13, 2009 (2009-05-13)	6.33^[108]
12	"Lost: Final Chapter" "Lost: Beginning of the End"^[131]	Michael Emerson	"The Incident" "LA X"	February 2, 2010 (2010-02-02)	9.97^[112]
13/14	"Lost: The Final Journey"	Titus Welliver	"What They Died For" "The End"	May 23, 2010 (2010-05-23)	9.93^[126]

References

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External links

Lost at IMDb
List of Lost episodes at Lostpedia

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↑ Lua error in package.lua at line 80: module 'strict' not found.
↑ Lua error in package.lua at line 80: module 'strict' not found.
↑ Lua error in package.lua at line 80: module 'strict' not found.
↑ Lua error in package.lua at line 80: module 'strict' not found.
↑ ^126.0 ^126.1 ^126.2 Lua error in package.lua at line 80: module 'strict' not found.
↑ Lua error in package.lua at line 80: module 'strict' not found.
↑ Lua error in package.lua at line 80: module 'strict' not found.
↑ Lua error in package.lua at line 80: module 'strict' not found.
↑ Lua error in package.lua at line 80: module 'strict' not found.
↑ Lua error in package.lua at line 80: module 'strict' not found.

[1] Lua error in package.lua at line 80: module 'strict' not found.

[viewersS1-2] Cite error: Invalid <ref> tag; no text was provided for refs named viewersS1

[3] Lua error in package.lua at line 80: module 'strict' not found.

[4] Lua error in package.lua at line 80: module 'strict' not found.

[5] Lua error in package.lua at line 80: module 'strict' not found.

[6] Lua error in package.lua at line 80: module 'strict' not found.

[7] Lua error in package.lua at line 80: module 'strict' not found.

[8] Lua error in package.lua at line 80: module 'strict' not found.

[9] Lua error in package.lua at line 80: module 'strict' not found.

[10] Lua error in package.lua at line 80: module 'strict' not found.

[11] Lua error in package.lua at line 80: module 'strict' not found.

[12] Lua error in package.lua at line 80: module 'strict' not found.

[13] Lua error in package.lua at line 80: module 'strict' not found.

[14] Lua error in package.lua at line 80: module 'strict' not found.

[15] Lua error in package.lua at line 80: module 'strict' not found.

[16] Lua error in package.lua at line 80: module 'strict' not found.

[17] Lua error in package.lua at line 80: module 'strict' not found.

[18] Lua error in package.lua at line 80: module 'strict' not found.

[19] Lua error in package.lua at line 80: module 'strict' not found.

[20] Lua error in package.lua at line 80: module 'strict' not found.

[21] Lua error in package.lua at line 80: module 'strict' not found.

[22] Lua error in package.lua at line 80: module 'strict' not found.

[23] Lua error in package.lua at line 80: module 'strict' not found.

[24] Lua error in package.lua at line 80: module 'strict' not found.

[25] Lua error in package.lua at line 80: module 'strict' not found.

[26] Lua error in package.lua at line 80: module 'strict' not found.

[viewersS2-27] Cite error: Invalid <ref> tag; no text was provided for refs named viewersS2

[Destination_Lost_ratings-28] 28.0 ^28.1 Lua error in package.lua at line 80: module 'strict' not found.

[29] Lua error in package.lua at line 80: module 'strict' not found.

[30] Lua error in package.lua at line 80: module 'strict' not found.

[31] Lua error in package.lua at line 80: module 'strict' not found.

[32] Lua error in package.lua at line 80: module 'strict' not found.

[33] Lua error in package.lua at line 80: module 'strict' not found.

[34] Lua error in package.lua at line 80: module 'strict' not found.

[35] Lua error in package.lua at line 80: module 'strict' not found.

[36] Lua error in package.lua at line 80: module 'strict' not found.

[Lost_Revelation_ratings-37] 37.0 ^37.1 Lua error in package.lua at line 80: module 'strict' not found.

[38] Lua error in package.lua at line 80: module 'strict' not found.

[39] Lua error in package.lua at line 80: module 'strict' not found.

[40] Lua error in package.lua at line 80: module 'strict' not found.

[41] Lua error in package.lua at line 80: module 'strict' not found.

[42] Lua error in package.lua at line 80: module 'strict' not found.

[43] Lua error in package.lua at line 80: module 'strict' not found.

[44] Lua error in package.lua at line 80: module 'strict' not found.

[45] Lua error in package.lua at line 80: module 'strict' not found.

[46] Lua error in package.lua at line 80: module 'strict' not found.

[47] Lua error in package.lua at line 80: module 'strict' not found.

[48] Lua error in package.lua at line 80: module 'strict' not found.

[49] Lua error in package.lua at line 80: module 'strict' not found.

[50] Lua error in package.lua at line 80: module 'strict' not found.

[viewersS3-51] Cite error: Invalid <ref> tag; no text was provided for refs named viewersS3

[52] Lua error in package.lua at line 80: module 'strict' not found.

[53] Lua error in package.lua at line 80: module 'strict' not found.

[54] Lua error in package.lua at line 80: module 'strict' not found.

[55] Lua error in package.lua at line 80: module 'strict' not found.

[56] Lua error in package.lua at line 80: module 'strict' not found.

[57] Lua error in package.lua at line 80: module 'strict' not found.

[Lost_Survivor_Guide_ratings-58] 58.0 ^58.1 Lua error in package.lua at line 80: module 'strict' not found.

[59] Lua error in package.lua at line 80: module 'strict' not found.

[60] Lua error in package.lua at line 80: module 'strict' not found.

[61] Lua error in package.lua at line 80: module 'strict' not found.

[62] Lua error in package.lua at line 80: module 'strict' not found.

[63] Lua error in package.lua at line 80: module 'strict' not found.

[64] Lua error in package.lua at line 80: module 'strict' not found.

[ep_14_ratings-65] Lua error in package.lua at line 80: module 'strict' not found.

[66] Lua error in package.lua at line 80: module 'strict' not found.

[67] Lua error in package.lua at line 80: module 'strict' not found.

[68] Lua error in package.lua at line 80: module 'strict' not found.

[69] Lua error in package.lua at line 80: module 'strict' not found.

[70] Lua error in package.lua at line 80: module 'strict' not found.

[71] Lua error in package.lua at line 80: module 'strict' not found.

[Lost_The_Answers_ratings-72] 72.0 ^72.1 Lua error in package.lua at line 80: module 'strict' not found.

[73] Lua error in package.lua at line 80: module 'strict' not found.

[74] Lua error in package.lua at line 80: module 'strict' not found.

[viewersS4-75] Cite error: Invalid <ref> tag; no text was provided for refs named viewersS4

[Lost_Past.2C_Present_.26_Future_ratings-76] 76.0 ^76.1 Lua error in package.lua at line 80: module 'strict' not found.

[77] Lua error in package.lua at line 80: module 'strict' not found.

[78] Lua error in package.lua at line 80: module 'strict' not found.

[79] Lua error in package.lua at line 80: module 'strict' not found.

[80] Lua error in package.lua at line 80: module 'strict' not found.

[81] Lua error in package.lua at line 80: module 'strict' not found.

[82] Lua error in package.lua at line 80: module 'strict' not found.

[83] Lua error in package.lua at line 80: module 'strict' not found.

[april_24-84] Lua error in package.lua at line 80: module 'strict' not found.

[may_1-85] Lua error in package.lua at line 80: module 'strict' not found.

[86] Lua error in package.lua at line 80: module 'strict' not found.

[87] Lua error in package.lua at line 80: module 'strict' not found.

[88] Lua error in package.lua at line 80: module 'strict' not found.

[17ep-89] Lua error in package.lua at line 80: module 'strict' not found.

[s4recap-90] Lua error in package.lua at line 80: module 'strict' not found.

[91] Lua error in package.lua at line 80: module 'strict' not found.

[viewersS5-92] Cite error: Invalid <ref> tag; no text was provided for refs named viewersS5

[premiereratings-93] 93.0 ^93.1 ^93.2 Lua error in package.lua at line 80: module 'strict' not found.

[94] Lua error in package.lua at line 80: module 'strict' not found.

[95] Lua error in package.lua at line 80: module 'strict' not found.

[96] Lua error in package.lua at line 80: module 'strict' not found.

[switch-97] 97.0 ^97.1 "316" and "The Life and Death of Jeremy Bentham" were aired out of order from their original scheduling. This was purposefully changed by Damon Lindelof and Carlton Cuse. Lua error in package.lua at line 80: module 'strict' not found.

[98] Lua error in package.lua at line 80: module 'strict' not found.

[99] Lua error in package.lua at line 80: module 'strict' not found.

[100] Lua error in package.lua at line 80: module 'strict' not found.

[101] Lua error in package.lua at line 80: module 'strict' not found.

[102] Lua error in package.lua at line 80: module 'strict' not found.

[103] Lua error in package.lua at line 80: module 'strict' not found.

[104] Lua error in package.lua at line 80: module 'strict' not found.

[105] Lua error in package.lua at line 80: module 'strict' not found.

[106] Lua error in package.lua at line 80: module 'strict' not found.

[107] Lua error in package.lua at line 80: module 'strict' not found.

[Season_5_finale_ratings-108] 108.0 ^108.1 Lua error in package.lua at line 80: module 'strict' not found.

[Nov19PR-109] Lua error in package.lua at line 80: module 'strict' not found.

[110] Lua error in package.lua at line 80: module 'strict' not found.

[viewersS6-111] Cite error: Invalid <ref> tag; no text was provided for refs named viewersS6

[bythenos-112] 112.0 ^112.1 Lua error in package.lua at line 80: module 'strict' not found.

[113] Lua error in package.lua at line 80: module 'strict' not found.

[114] Lua error in package.lua at line 80: module 'strict' not found.

[115] Lua error in package.lua at line 80: module 'strict' not found.

[116] Lua error in package.lua at line 80: module 'strict' not found.

[117] Lua error in package.lua at line 80: module 'strict' not found.

[118] Lua error in package.lua at line 80: module 'strict' not found.

[119] Lua error in package.lua at line 80: module 'strict' not found.

[120] Lua error in package.lua at line 80: module 'strict' not found.

[121] Lua error in package.lua at line 80: module 'strict' not found.

[122] Lua error in package.lua at line 80: module 'strict' not found.

[tuesdayfinals420-123] Lua error in package.lua at line 80: module 'strict' not found.

[tuesdayfinals504-124] Lua error in package.lua at line 80: module 'strict' not found.

[125] Lua error in package.lua at line 80: module 'strict' not found.

[finalerating-126] 126.0 ^126.1 ^126.2 Lua error in package.lua at line 80: module 'strict' not found.

[127] Lua error in package.lua at line 80: module 'strict' not found.

[128] Lua error in package.lua at line 80: module 'strict' not found.

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[130] Lua error in package.lua at line 80: module 'strict' not found.

[131] Lua error in package.lua at line 80: module 'strict' not found.

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v t e Lost
Awards and nominations Cast Soundtracks
Episodes	Season 1 Season 2 Season 3 Missing Pieces Season 4 Season 5 Season 6 (Epilogue)
Characters	Alex Rousseau Ana Lucia Cortez Ben Linus Boone Carlyle Charles Widmore Charlie Pace Charlotte Lewis Christian Shephard Claire Littleton Daniel Faraday Danielle Rousseau Desmond Hume Ethan Rom Frank Lapidus Hugo "Hurley" Reyes Ilana Verdansky Jack Shephard Jacob James "Sawyer" Ford Jin-Soo Kwon John Locke Juliet Burke Kate Austen Libby Smith Man in Black Martin Keamy Michael Dawson Miles Straume Mr. Eko Nikki and Paulo Penny Widmore Richard Alpert Rose and Bernard Nadler Sayid Jarrah Shannon Rutherford Sun-Hwa Kwon Tom Friendly Walt Lloyd
Mythology	Dharma Initiative Oceanic Airlines
Related articles	Cast Away Find 815 Lost Experience Lostpedia Lost: Via Domus Mythology of Lost
Category

List of Lost episodes

Contents

Series overview

Episodes

Season 1 (2004–05)

Season 2 (2005–06)

Season 3 (2006–07)

Season 4 (2008)

Season 5 (2009)

Season 6 (2010)

Specials

Epilogue

Mobisodes: Lost: Missing Pieces

Recap specials

References

External links

Navigation menu

Personal tools

Namespaces

Variants

Views

More

Search

Navigation

Tools

v t e Lost episodes
Season 1	"Pilot" "Tabula Rasa" "Walkabout" "White Rabbit" "House of the Rising Sun" "The Moth" "Confidence Man" "Solitary" "Raised by Another" "All the Best Cowboys Have Daddy Issues" "Whatever the Case May Be" "Hearts and Minds" "Special" "Homecoming" "Outlaws" "...In Translation" "Numbers" "Deus Ex Machina" "Do No Harm" "Lost: The Journey" (clip show) "The Greater Good" "Born to Run" "Exodus"
Season 2	"Man of Science, Man of Faith" "Adrift" "Orientation" "Everybody Hates Hugo" "...And Found" "Abandoned" "The Other 48 Days" "Collision" "What Kate Did" "The 23rd Psalm" "The Hunting Party" "Fire + Water" "The Long Con" "One of Them" "Maternity Leave" "The Whole Truth" "Lockdown" "Dave" "S.O.S." "Two for the Road" "?" "Three Minutes" "Live Together, Die Alone"
Season 3	"A Tale of Two Cities" "The Glass Ballerina" "Further Instructions" "Every Man for Himself" "The Cost of Living" "I Do" "Not in Portland" "Flashes Before Your Eyes" "Stranger in a Strange Land" "Tricia Tanaka Is Dead" "Enter 77" "Par Avion" "The Man from Tallahassee" "Exposé" "Left Behind" "One of Us" "Catch-22" "D.O.C." "The Brig" "The Man Behind the Curtain" "Greatest Hits" "Through the Looking Glass"
Webisodes	Lost: Missing Pieces
Season 4	"The Beginning of the End" "Confirmed Dead" "The Economist" "Eggtown" "The Constant" "The Other Woman" "Ji Yeon" "Meet Kevin Johnson" "The Shape of Things to Come" "Something Nice Back Home" "Cabin Fever" "There's No Place Like Home"
Season 5	"Because You Left" "The Lie" "Jughead" "The Little Prince" "This Place Is Death" "316" "The Life and Death of Jeremy Bentham" "LaFleur" "Namaste" "He's Our You" "Whatever Happened, Happened" "Dead Is Dead" "Some Like It Hoth" "The Variable" "Follow the Leader" "The Incident"
Season 6	"LA X" "What Kate Does" "The Substitute" "Lighthouse" "Sundown" "Dr. Linus" "Recon" "Ab Aeterno" "The Package" "Happily Ever After" "Everybody Loves Hugo" "The Last Recruit" "The Candidate" "Across the Sea" "What They Died For" "The End"
Epilogue	"The New Man in Charge"