Lost

Now prisoners of "The Others," head games begin for Jack, Kate, and Sawyer.

Sayid's attempt to rescue Jack, Kate and Sawyer from "The Others" jeopardizes Sun and Jin's lives.

Locke experiences visions of Boone, leading him to a new mystery on the island.

The Others perform a sadistic medical procedure on Sawyer in order to prevent him from causing any more trouble.

After Mr. Eko has a vision of his dead brother, he sets out to return to the site of his plane crash.

Kate desperately tries to protect Sawyer from being killed by "The Others;" meanwhile, "The Others" plan to use Kate as a pawn to force Jack into performing surgery on Ben.

Sawyer and Kate struggle to escape the island while Jack sabotages Ben's surgery.

After Desmond saves Claire from drowning, Charlie and Hurley suspect that he can see the future and try to get answers out of him.

Jack is interrogated by "Others" constable Isabel; Ben has an infection in his spinal column, and Jack negotiates the freedom of Juliet in exchange.

Hugo enlists Sawyer's help with an old VW van found on the island. Hugo's connection to the numbers in The Hatch is revealed.

Sayid, Locke and Kate find another Dharma station on their way to rescue Jack; Sawyer tries to get his stuff back in the camp.

Claire launches a plan to use migratory birds to send a message, but doesn't understand why Desmond keeps sabotaging it. Elsewhere, Sayid, Locke and Kate scale "The Others'" protective perimeter and discover their camp.

Jack tells Kate that he has made a deal with "The Others" and is leaving the island by submarine; Locke has a conversation with Ben about the island's powers.

Nikki and Paulo are two more of the castaways with a past just like any of the others. What have they been doing since the plane crash?

With their secret location now compromised, "The Others" abandon camp, taking Locke with them but leaving Juliet behind, handcuffed to Kate in the middle of the jungle.

Jack takes Juliet back to their camp after being abandoned by "The Others."

Desmond's latest vision suggests that his old girlfriend, Penny, will crash-land onto the island, but his vision also reveals something about Charlie. Desmond organizes a posse to go into the jungle, expecting Penny to parachute onto the island.

An unlikely person helps Desmond save the life of a mysterious woman who crashes onto the island, and Juliet helps Sun find out whether she conceived on the island or before the plane crash.

Locke tells Sawyer that he needs to come with him to kill Ben, but the man Locke wants him to kill is actually his father - who is also a figure from Sawyer's past.

As Ben takes Locke to see Jacob and reveal the island's secrets, Ben's background on the island is exposed - as well as the fate of the Dharma Initiative.

Desmond has another vision of Charlie's death, but this time his death ultimately will result in Claire's rescue. Meanwhile, the survivors discover that an attack by "The Others" is even more imminent than originally expected.

Jack and the survivors wait for Charlie to turn off "The Others'" signal-jamming device, not knowing that he has been captured at the Looking Glass station.

Jack and the survivors wait for Charlie to turn off "The Others'" signal-jamming device, not knowing that he has been captured at the Looking Glass station.