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,…

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

The season 3 finale finds the castaways preparing for an invasion by the slightly less mysterious Others, while Charlie and Desmond find more than they were looking for in the…

The season 3 finale finds the castaways preparing for an invasion by the slightly less mysterious Others, while Charlie and Desmond find more than they were looking for in the…

While Jack devises a plan to do away with “The Others” once and for all, Sayid uncovers a flaw in “The Others’” system that could lead to everyone’s rescue. But…

Ben unwillingly divulges information to Locke about the island, taking him on a journey to various locations including strange monuments and the mysterious Jacob. Back at the beach, Juliet’s secret…

Desmond convinces Hurley, Jin, and Charlie to follow him on a trek through the jungle after he receives a series of visions. Flashbacks reveal the time that Desmond spent with…

Sun allows Juliet to examine her when she learns that all of “The Others” pregnant woman died before they gave birth on the island. Meanwhile, Desmond and an unlikely nemesis…

After abandoning the Others, Locke takes Sawyer on a trek through the jungle to help him eliminate a common enemy. Meanwhile, back at the beach, the parachutist Naomi has crucial…

The celebration of Jack’s return is cut short when he arrives at the beach with an Other, Juliet, whose flashbacks pick up from where they left off, showing us how…

As the truth about Sun’s kidnapping by “the Others” comes to her attention, Hurley becomes suspicious of Sawyer’s attempt to reveal the mystery behind two fellow survivors, Nikki and Paulo….

Kate and Juliet are stranded in the jungle after Kate learns that there is a traitor in the survivor’s midst. Meanwhile, Sawyer’s poor attitude and selfish ways towards the beach…

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…

When Kate and Locke arrive at the Others’ camp, Ben promises to tell Locke the island’s secrets as long as he stops his destructive plan, and Kate’s reunion with Jack…

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…

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…

Jack has the Others in a desperate situation as he holds Ben’s life in his hands. Meanwhile, Kate and Sawyer try to escape from their captors. Flashbacks reveal Juliet’s past…

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….

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 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…

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…

Jack makes a decision regarding Ben’s offer. Sawyer’s life is placed in danger when Pickett decides to make good on his threat. Locke discovers a hidden message that may help…

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…

Sun and Jin’s 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…

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),…

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…

After discovering something odd just offshore, Jack and Sayid come up with a plan to confront “The Others” and hopefully get Walt back. Meanwhile, Eko and Locke come to blows…

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…

Mr. Eko has dreams about his brother leading him somewhere. He seeks Locke’s help in finding a secret location, the “question mark.” Meanwhile, Jack and the other survivors grapple with…

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…

Rose is surprisingly and vehemently opposed to Bernard’s plan to create an S.O.S. signal; romantic sparks are rekindled between Jack and Kate when they trek into the jungle to propose…

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…

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…

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…

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…

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…

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…

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…

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…

When Charlie’s vividly surreal dreams lead him to believe Claire’s baby, Aaron, is in danger, Locke suspects Charlie may be using again. Meanwhile, Sawyer encourages Hurley to act on his…