Lost(2004)

1 - Because You Left

The remaining island survivors start to feel the effects of the aftermath of moving the island, and Jack and Ben begin their quest to reunite the Oceanic 6 in order to return to the island with Lockes body in an attempt to save their former fellow castaways.

1 - The Beginning of the End

They thought they had met the enemy. They thought they had seen evil. They thought wrong. As the new season begins, the survivors feel that rescue is close at hand, but they dont know whether or not to believe Charlies final message that the people claiming to liberate them are not who they seem to be. As unlikely alliances are formed, those they thought could be trusted may turn against them, as the enemy of their enemy becomes their friend. But who can be trusted? Is rescue really as close as it seems?

1 - A Tale of Two Cities

Jack, Kate, and Sawyer are prisoners of the mysterious Others. After their captors drug them and take blood samples, they are held in separate areas. The camp leaders--Ben (Henry Gale), Mr. Friendly and a new woman, Juliet--try to make the castaways adjust to their new circumstances.

1 - Man of Science, Man of Faith

Jack, Locke and Kate explore the mysterious hatch but Jack decides to wait before going down into the hatch. Kate and Locke arent so patient. When Shannon chases after Vincent the dog, she encounters a familiar face in the jungle.

1 - Pilot (1)

Stripped of everything, the 48 survivors scavenge what they can from the plane for their survival. Some panic. Some pin their hopes on rescue. A few find inner strength they never knew they had-like Kate who, with no medical training, suddenly finds herself suturing the doctors wounds. The band of friends, family, enemies and strangers must work together against the cruel weather and harsh terrain. But the intense howls of mysterious creatures stalking the jungle fill them all with fear. Fortunately, thanks to the calm leadership of quick-thinking Jack and level-headed Kate, they have hope. But even heroes have secrets, as the survivors will come to learn.

2 - Confirmed Dead

The survivors begin to question the intentions of their supposed rescuers when four strangers arrive on the island.

2 - The Glass Ballerina

Sun and Jins lives are put in danger when Sayid tries to locate Jack and the other missing castaways. Sayid also creates a plan in order to get the attention of the Others on the beach. Meanwhile, Henry (i.e. Ben) gives Jack an offer that is very tempting in exchange for his cooperation. Lastly, Kate and Sawyer must adjust to harsh conditions that are being forced upon them by The Others.

2 - Adrift

With the abduction of Walt fresh on their minds, their raft destroyed, and Jin missing, Michael and Sawyer fight for their lives in the middle of nowhere in the ocean and discover a new predator in the roiling sea. Meanwhile on land, Locke must descend into the hatch when Kate goes missing inside. Also, Jack isnt too far behind Locke as he decides to go into the hatch as well later on. Lastly, flashbacks reveal more of Michaels troubled relationship with ex-lover Susan and their baby son Walt as they fight over custody for Walt and Michael must let go.

2 - Pilot (2)

Having escaped the creature and retrieved the plane transceiver, a group of the survivors travel to higher ground so they can transmit a signal. En route, they receive a mysterious transmission and encounter another of the islands inhabitants. Meanwhile, back at camp, Jack tends to a wounded man who reveals a secret about Kate.

3 - Jughead

Desmond looks for a woman who might be the key to helping Faraday stop the islands unpredictable movements through time; Locke finds out who has been attacking the survivors.

3 - The Economist

Lockes hostage may be the key to getting off the island, so Sayid and Kate go in search of their fellow castaway in an attempt to negotiate a peaceful deal.

3 - Further Instructions

Locke, Eko and Desmond are found scattered about the island after the implosion of the hatch. Locke receives a message from the Island asking him to fix the situation he caused.

3 - Orientation

Jack, Locke and Kate learn more secrets about the hatch. Meanwhile, after being beaten and taken captive, Sawyer, Michael and Jin wonder if their captors are fellow survivors or the dreaded Others. Flashbacks reveals more of Lockes past in this episode as well as the introduction of Helen (guest star Katey Segal) who shakes things up even more with her revealing personality and past.

3 - Tabula Rasa

Jack and Hurley discover an alarming secret about Kate, as the marshals life hangs in the balance and he suffers a lot of pain. Meanwhile Kate, Charlie, Sawyer, Sayid, Boone and Shannon ponder the mysteries they have begun to uncover and worry that telling the other survivors will cause panic. They decide to lie for the time being. Also, Lockes befriending of Walt disturbs Michael, but Walt is more concerned in finding his dog. Lastly, Kate flashes back to when she was arrested by the marshal in Australia.

4 - The Little Prince

Kate discovers that someone knows the secret of Aarons true parental lineage. Meanwhile, the dramatic shifts through time are placing the lives of the remaining island survivors in extreme peril.

4 - Eggtown

Kate needs to get information out of the hostages, but it may jeopardize her standing with Locke -- as well as with Sawyer. Meanwhile in the future Kates Court hearings take place.

4 - Every Man for Himself

The Others prevent Sawyer and Kate from escaping, leaving Sawyer perplexed by the extent of the measures taken to keep them imprisoned. Jack is asked to use his medical training to save the life of one of the Others. At the beach, Desmonds strange behavior attracts attention. He begins to construct a mysterious device.

4 - Everybody Hates Hugo

Hurley struggles with an assigned task inside the hatch as he flashbacks to disturbing memories in his life before the crash. Meanwhile, Sawyer, Michael and Jin learn the identities of their captors on the island. Claire uncovers a startling piece of information about the fate of the raft.

4 - Walkabout

The survivors are jolted awake in the middle of the night when wild island beasts (which are wild boars) invade the beach encampment. Kate and Michael join the mysterious Locke on a hunt for food -- and a shocking secret about Locke is revealed. On the hunt for food someone is injured. Meanwhile, some survivors are horrified by Jacks plan for the dead bodies still scattered among the wreckage -- he wants to burn them. Jack sees someone thats not there, and we find out that one of the survivors was not able to walk but now he can.

5 - This Place Is Death

Locke shoulders the burden of ending the islands increasingly violent movements through time; Ben is stymied in his efforts to reunite the Oceanic 6 and bring them back to the island.

5 - The Constant

Sayid and Desmond hit a bit of turbulence on the way to the freighter, which causes Desmond to experience some unexpected side effects.

5 - The Cost of Living

A delirious Eko wrestles with past demons; some of the castaways go to the Pearl station to find a computer they can use to locate Jack, Kate and Sawyer; Jack does not know who to trust when two of the Others are at odds with each other.

5 - ...And Found

Michael sets off into the jungle by himself determined to find Walt, but discovers that he is not alone. Meanwhile, Sawyer and Jin are ordered by their captors to take them to their camp, and Sun frantically searches for her missing wedding ring. In flashbacks this episode reveals more of Jins life before ending up on the island.

5 - White Rabbit

Jack is nearly delirious from lack of sleep and struggles to overcome the haunting events that brought him to Australia and, subsequently, to the island. Meanwhile, Boone gets caught in a treacherous riptide trying to save a woman who went out swimming. A pregnant Claires health takes a bad turn from lack of fluids, and a thief may have stolen the last bottles of water. Veronica Hamel guest-stars as Jacks mother, Margo.

6 - 316

The members of Oceanic 6 discover how to get back to the island, but not all of them want to return.

6 - The Other Woman

Juliet receives an unwelcome visit from someone from her past and is given orders to track down Charlotte and Faraday in order to stop them from completing their mission -- by any means necessary. Meanwhile, Ben offers Locke an enticing deal.

6 - I Do

Jack makes a decision regarding Bens offer. Sawyers life is placed in danger when Pickett decides to make good on his threat. Locke discovers a hidden message that may help unlock the islands secrets. Kate recalls memories from the past, which caused her to make an important choice.

6 - Abandoned

Sawyers wound becomes life-threatening as he, Michael and Jin make their way through the interior of the island with the tail section survivors. Meanwhile, Shannon is once again haunted by visions of Walt.

6 - House of the Rising Sun

Walt and the others are shocked when Michael is brutally beaten, but only the non-English-speaking Jin and Sun know the truth behind the attack. Meanwhile Kate, Jack, Sawyer and Sayid argue about where the survivors should camp -- on the beach, where theyre more likely to be seen, or in a remote inland valley where fresh water abounds; and Locke discovers Charlies secret.

7 - The Life and Death of Jeremy Bentham

Lockes mission off the island as Jeremy is revealed.

7 - Ji Yeon

Juliet is forced to reveal some startling news to Jin when Sun threatens to move to Lockes camp. Meanwhile, Sayid and Desmond begin to get an idea of the freighters crew when they meet the ships captain.

7 - Not in Portland

Jack has the Others in a desperate situation as he holds Bens life in his hands. Meanwhile, Kate and Sawyer try to escape from their captors. Flashbacks reveal Juliets past as a medical researcher in Miami.

7 - The Other 48 Days

The harrowing first 48 days in the lives of the tail section survivors are revealed. Flashbacks reveal the point of view of Ana-Lucia, Mr. Eko, Bernard and Libby and other survivors as they landed on the other side of the island on the beach. As the days progress danger hits their camp as well when The Others start taking people against their will. As the survivors race inland, trying to stay a step ahead of The Others, they realize that someone among them wasnt on Flight 815.

7 - The Moth

Charlie begins a painful journey of withdrawal from drugs, surprisingly aided by Locke, whose true motive for helping Charlie is a mystery. Meanwhile, survivors struggle to find and free Jack when hes buried alive in a cave collapse, and someone might be secretly thwarting Sayid, Kate, and Boone when they enact a plan to find the source of the French transmission.

8 - LaFleur

Sawyer perpetuates a lie with some of the other island survivors in order to protect themselves from mistakes of the past.

8 - Meet Kevin Johnson

Sayid confronts Bens spy on the freighter, and Ben urges daughter Alex to flee Lockes camp in order to survive an impending attack.

8 - Flashes Before Your Eyes

After Desmond rescues Claire from drowning, Charlie gets Hurley to help him find out why Desmond has seemed able to predict the future. Desmond recalls exactly what took place in the moments after he turns the key, where he experienced a strange vision of his life prior to his Army days.

8 - Collision

Violence erupts when Ana Lucia and her group stumble upon Sayid and the other castaways on the island. Ana Lucia holds Sayid captive. Kate and Jack care for Sawyer when Mr. Eko brings him back to the camp himself. Flashbacks reveal Ana Lucias troubled life as a cop.

8 - Confidence Man

Shannons inhaler runs out and Boone believes Sawyer has the remaining three in his stash. When Sawyer refuses to give them up, Jack and Sayid resort to torturing Sawyer until he agrees to reveal the location of the inhalers. In flashback we hear Sawyers story and find he is not who he says he is.

9 - Namaste

After meeting old acquaintances Sawyer is forced to continue lying to protect them.

9 - The Shape of Things to Come

Jack tries to discover the identity of a body that has washed ashore. Meanwhile, Lockes camp is attacked by Bens adversaries.

9 - Stranger in a Strange Land

As Kate and Sawyer journey back to the main island with Karl, who is exhibiting effects of the brainwashing video, they argue over whether to go back and save Jack. On Hydra island, as Juliets fate rests in his hands and a power struggle within the Others ensues, Jack recollects the time he spent in Phuket, Thailand and his relationship with Achara, a mysterious tattoo artist.

9 - What Kate Did

As Kates backstory continues, her original crime is revealed. She thinks something is haunting her through Sawyer. Locke and Eko make an interesting discovery about the film, and Michael has a mysterious encounter with the computer.

9 - Solitary

Sayids life is placed in grave danger after he stumbles upon the source of the mysterious French transmission, the woman Danielle Rousseau (guest-star Mira Furlan). She was on the distress call and is found alive. Meanwhile, Hurley has a ridiculous plan to make life on the island a little more civilized. The plan involves golf clubs he finds in the debris, and it looks like it just might work. Lastly, we flash back to Sayids childhood friend Nadia as well as his participation in hostage situations in Iraq.

10 - He's Our You

Everyone on the island is at risk when one of the survivors decides to go against them and taking matters into their own hands.

10 - Something Nice Back Home

Kate and Juliet must learn to work together when Jacks health is seriously compromised, and something goes wrong as Sawyer, Claire, Aaron and Miles continue their trek away from Lockes camp and back to the beach

10 - Tricia Tanaka Is Dead

Kate is still struggling over their decision to leave Jack in the hands of the Others as she and Sawyer return to their camp. Meanwhile, Hurley finds an old van in the jungle and attempts to use it to help a fellow survivor in need of faith and hope. Flashbacks reveal more of Hurleys tumultuous past with the numbers curse.

10 - The 23rd Psalm

This episode will shed more light on why Eko took a mysterious 40-day vow of silence, and possibly information on his stick. Also, Claire begins to lose faith in Charlie after Eko begins to question him about the Virgin Mary statue, and Kate gives the recovering Sawyer a much-needed haircut.

10 - Raised by Another

Claire has a horribly realistic nightmare about her new baby being harmed or kidnapped. Flashbacks reveal Claires backstory: the former boyfriend who got her pregnant, then abandoned her, and the psychic who convinced her to take the ill-fated flight that landed her on the island. Hurley is shocked and confused when he discovers that Ethan Rom (guest-star William Mapother), another plane crash survivor, does not appear on the flight manifest.

11 - Whatever Happened, Happened

Kate goes to extreme measures to save Bens life when Jack refuses to help. Meanwhile, Kate begins to tell the truth about the lie in order to protect Aaron.

11 - Cabin Fever

Locke finds out where Jacobs cabin is. Life on the freighter becomes dangerous.

11 - Enter 77

On their mission to rescue Jack, Kate, Sayid, and Locke stumble upon a mysterious structure surrounded by farm animals and meet its strange inhabitant. Back at the camp, in order to reclaim his belongings, Sawyer plays in a ping-pong competition.

11 - The Hunting Party

Jack, Locke and Sawyer follow after a determined Michael after he heads into the jungle toward the dreaded Others in search of Walt. Meanwhile, Sun has a surprising reaction to Jins desire to join the search party, and Hurley and Charlie commiserate over the age-old conundrum of what women want.

11 - All the Best Cowboys Have Daddy Issues

Survivors wonder why Charlie and Claire have been abducted - and by whom - and a search party ventures into the treacherous jungle to look for the pair. Suspicions focus on Ethan Rom (guest-star William Mapother), who, it was recently discovered, was not a passenger on the doomed flight. Jack battles inner demons relating to his father, while Boone and Locke discover another island mystery.

12 - Dead Is Dead

To atone for sins of the past, Ben must attempt to summon the smoke monster in order to be judged.

12 - There's No Place Like Home (1)

Sayid goes back to the island to bring the rest of the people to the freighter. Ben, Locke, and Hurley go to another Dharma station in order to move the island.

12 - Par Avion

Claire has an idea to send a message to the outside world. Charlie, however, is resistant to the idea, and Desmond tries to sabotage the plan. As Claire tries to get the truth behind their actions out of the pair, she remembers traumatic events from her past. Meanwhile, the rescue party encounters a dangerous obstacle.

12 - Fire + Water

When Charlies vividly surreal dreams lead him to believe Claires baby, Aaron, is in danger, Locke suspects Charlie may be using again. Meanwhile, Sawyer encourages Hurley to act on his attraction to Libby.

12 - Whatever the Case May Be

Jack, Kate and Sawyer fight over possession of a newly discovered locked metal briefcase which might contain insights into Kates mysterious past. Meanwhile, Sayid asks a reluctant Shannon to translate notes he took from the French woman. A rising tide threatens to engulf the fuselage and the entire beach encampment, and Rose and a grieving Charlie tentatively bond over Claires baffling kidnapping.

13 - Some Like It Hoth

Suspicions about a possible breach intensify after Ben is taken from the infirmary, and a reluctant Miles is forced to work with Hurley when hes asked to deliver an important package to a top Dharma official.

13 - There's No Place Like Home (2)

The face-off between the survivors and the freighter people continues, and the Oceanic Six find themselves closer to rescue.

13 - The Man from Tallahassee

When Kate and Locke arrive at the Others camp, Ben promises to tell Locke the islands secrets as long as he stops his destructive plan, and Kates reunion with Jack doesnt go very well when she learns that the Others have offered him a deal. More of Lockes troubled past is revealed.

13 - The Long Con

Some of the island survivors fear that The Others may have returned when Sun is greatly injured during a failed kidnapping attempt at her plant garden. Also, the trust barrier becomes very thin between Locke and Jack in terms of locking up the guns and being kept safe. Meanwhile, Sawyer is an amused but highly interested bystander when tension escalates between Jack, Locke, Kate and Ana Lucia. When Jack purposely takes Sawyers medication from him he pushes more in favor of helping Locke. Lastly, flashbacks reveal more of Sawyers con artist past.

13 - Hearts and Minds

When Locke learns that Boone wants to share their secret with Shannon, Locke decides to teach him a lesson. This leads to Shannons life being placed in what seems like peril. Boone and Shannons dark past is revealed in a shocking backstory that recalls their relationship right before the plane crash and presages the return of the beast. Kate, who has become a confidante to the soft-spoken Sun, is puzzled by Suns mysterious behavior and the revelation that she can speak English. A hungry Hurley must convince Jin to share his fish by making up for offending Jin by rejecting his offer of raw fish early on, or hell continue to suffer digestive problems from the limited island diet.

14 - The Variable

On the 100th episode milestone for the series, the time of reckoning has begun when Daniel Faraday comes clean regarding what he knows about the island.

14 - There's No Place Like Home: Part 3

In the season finale, the Oceanic Six find themselves closer to rescue.

14 - Exposé

As the truth about Suns kidnapping by the Others comes to her attention, Hurley becomes suspicious of Sawyers attempt to reveal the mystery behind two fellow survivors, Nikki and Paulo. Through series of flashbacks we will discover what Nikki and Paulo were doing before the crash and how they survived 65 days on the island.

14 - One of Them

After Sun is attacked, some of the survivors begin to think that one of the other survivors might be one of The Others. When French woman Danielle Rousseau leads Sayid to a mysterious captive in the jungle, he becomes determined to find out if he is one of The Others. Meanwhile, Sawyer discovers Hurleys potentially devastating breach of the survivors trust and blackmails him into helping track an elusive island creature that wont leave Sawyer alone.

14 - Special

Violence ensues and a mysterious island beast makes a re-appearance when Michael and Locke clash over Walts upbringing. Meanwhile, Charlie is tempted to read the missing Claires diary, and Sayid enlists Shannon to help decipher the French womans map.

15 - Follow the Leader

Jack and Kate find themselves at odds over the direction to take to save their fellow island survivors, Locke further solidifies his stance as leader of The Others, and Sawyer and Juliet come under scrutiny from the Dharma Initiative.

15 - Maternity Leave

A mysterious illness that baby Aaron suddenly contracts sends a desperate Claire, Kate and French woman Danielle to return to the same area where Claire was initially kidnapped. It is there where she believes she can find a cure for Aarons illness. In the meantime, Jack and Locke are doing their best to keep their prisoner a secret from the rest of the survivors on the island.

15 - Homecoming

After the missing Claire returns with no recollection of what has happened since before she boarded the doomed Oceanic flight 815, Jack and Locke formulate a plan of defense against her kidnapper, the mysterious Ethan (guest-star William Mapother), who threatens to kill off the other survivors one by one unless Claire is returned to him. Meanwhile, the disappointment Charlie feels when Claire does not remember him triggers recollections of a woman he had let down in the past.

16 - The Incident (1)

Jacks decision to put a plan in action in order to set things right on the island is met with some strong resistance by those close to him, and Locke assigns Ben a difficult task.

16 - The Whole Truth

Sun comes to the realization that she might be pregnant. She struggles on whether to tell Jin about the situation. Meanwhile, with no success from Jack or Sayid, Ana-Lucia is called in by Locke to interrogate the new prisoner Henry Gale to get more information out of him about the balloon that he and his wife supposedly landed on the island with.

16 - Outlaws

Kate and Sawyer divulge dark secrets to each other while tracking a renegade boar that Sawyer swears is purposely harassing him. Hurley and Sayid worry that Charlie is losing it after facing a brush with death and killing Ethan with 6 bullets to the chest. A shocking prior connection between Sawyer and Jack is revealed in a flashback which shows Sawyer meeting Jacks father in a bar. Robert Patrick (Terminator 2: Judgment Day, The X-File) guest stars.

17 - The Incident (2)

Jacks decision to put a plan in action in order to set things right on the island is met with some strong resistance by those close to him, and Locke assigns Ben a difficult task.

17 - Lockdown

When the hatch suddenly takes on a life of its own, Locke is forced to enlist the help of an unlikely ally to control the matter. Meanwhile, Ana Lucia, Sayid and Charlie go off into the jungle to find out the truth about Henry Gale and see if there really is balloon craft out there in the jungle that carried him and his wife to the island.

17 - ...In Translation

When the raft the survivors have been building mysteriously burns down, Michael is convinced that Jin is responsible for the sabotage, which only serves to escalate their rivalry. Meanwhile, Sun stuns her fellow survivors with a surprising revelation, and Boone gives Sayid a warning about his step-sister Shannon. Lastly, more details of Jin and Suns troubled marriage are revealed through flashbacks.

18 - Dave

Libby lends a helping hand to Hurley to support him when he begins to think the island is having a strange effect on him. Hurley begins to see Dave (guest-star Evan Handler, Sex and the City) on the island, who was his friend in the mental institution Hurley was in. Also, Lockes sense of purpose is shaken when the prisoner gives him new information about the hatch.

18 - Numbers

When Hurley becomes obsessed with the French woman and heads into the jungle to find her, Jack, Sayid and Charlie have no choice but to follow. Hurley flashes back to the hugely life-altering experience he had before boarding the plane.

19 - S.O.S.

Rose is surprisingly and vehemently opposed to Bernards plan to create an S.O.S. signal; romantic sparks are rekindled between Jack and Kate when they trek into the jungle to propose a trade with The Others; and Locke begins to question his faith in the island.

19 - Deus Ex Machina

Locke thinks hes being sent a sign on how to get the hatch open, and he and Boone venture inland. Jack is reluctant to offer assistance when Sawyer begins to experience excruciating headaches and needs glasses.

20 - Two for the Road

After finding an exhausted Michael in the forest, Jack and Kate bring him back to the main camp. When he finally wakes up, Michael has some new details about The Others. Also, a lovestruck Hurley plans a date for Libby.

20 - Do No Harm

Jack tends to a severely wounded Boone after Locke returns him to the caves. In the confusion, Locke slips away to deal with his guilt over the crisis. Meanwhile, Claire unexpectedly goes into labor while deep in the forest.

21 - ?

Mr. Eko has dreams about his brother leading him somewhere. He seeks Lockes help in finding a secret location, the question mark. Meanwhile, Jack and the other survivors grapple with the horrific situation in the hatch with the death of Ana-Lucia and Libby clinging to life.

21 - The Greater Good

After another funeral, tempers rise as the survivors suspicions of each other grow, and an unlikely survivor vows revenge. The events that landed Sayid on Flight 815 play out as he engages Locke in a psychological game of cat and mouse to uncover the truth about the mishap that claimed Boones life.

22 - Three Minutes

A determined Michael convinces Jack and several castaways to help him rescue Walt from The Others. With Jack away, Locke is left in charge of the hatch and must decide if he should believe Henry and not push the button, risking everyones safety. Meanwhile, the events that happened to Michael after he left are finally revealed. Meanwhile, Charlie struggles with Ekos decision to discontinue building the church.

22 - Born to Run

Jack suspects foul play when Michael becomes violently ill while building the raft. The suspects include Sawyer and Kate, who compete for the last seat on the raft and do anything possible to prevent each other from getting it. Meanwhile, a secret from Kates past is revealed to the other survivors on the island.

23 - Live Together, Die Alone (1)

After discovering something odd just offshore, Jack and Sayid come up with a plan to confront The Others and hopefully get Walt back. At the same time there will be an answer to the question of where Michael has been and resolution of him and Walt. Meanwhile, Eko and Locke come to blows as Locke makes a potentially cataclysmic decision regarding the button and the hatch. Lastly, Desmond returns and he sheds some more light on his experience on the island in the three years prior to when Locke came down into that hatch.

23 - Exodus (1)

The French woman-Danielle Rousseau-shocks the survivors by showing up to the camp with a dire warning about the Others who are on the island, and the black smoke that precedes them. Meanwhile, Michael and Jin ready the raft for sailing. In flashbacks, we see the survivors final moments before they boarded their fateful flight.

24 - Exodus (2)

The castaways on the raft are surprised at sea by something unexpected. Meanwhile, remaining islanders attempt to blow open the hatch, and a visitor to the encampment might be a threat to Claires infant son.