Lost

One of the castaways is chosen to descend into the mysterious hatch.

Michael blames Sawyer for the abduction of Walt.

Sawyer, Michael and Jin wonder if their captors are the "Others."

Sawyer, Michael and Jin discover the identities of their captors.

A desperate Michael sets off into the jungle to find Walt.

Sawyer's wound becomes life-threatening as they travel through the island.

The first 48 days in the lives of the tail section survivors are revealed.

Ana Lucia and her group stumble upon Sayid and the other castaways.

Kate's original crime that started her life on the run is revealed.

Mr. Eko interrogates Charlie about the Virgin Mary statue.

Jack, Locke and Sawyer track Michael while he looks for his son.

Locke suspects Charlie may be using drugs again.

Survivors fear that "The Others" may have returned when Sun is injured.

Danielle Rousseau returns to lead Sayid to a mysterious captive.

Claire becomes determined to find out what happened to her.

Sun comes to the realization that she might be pregnant.

Locke is trapped and forced to enlist the help of an unlikely ally.

Hurley begins to think the island is affecting him.

Jack proposes to "The Others" a trade of Henry for Walt.

Ana Lucia attempts to get Henry Gale to confess to being a spy.

Mr. Eko enlists Locke to find a secret location he believes houses answers.

Michael convinces Jack and several other castaways to help him rescue Walt.

Jack and Sayid come up with a plan to confront "The Others."

Jack and Sayid come up with a plan to confront "The Others."