Stripped of everything, the 48 survivors scavenge what they can from the plane for their survival. Some panic. Some p...

Having escaped the "creature" and retrieved the plane transceiver, a group of the survivors travel to higher ground s...

Jack and Hurley discover an alarming secret about Kate, as the marshal's life hangs in the balance and he suffers a l...

The survivors are jolted awake in the middle of the night when wild island beasts (which are wild boars) invade the b...

Jack is nearly delirious from lack of sleep and struggles to overcome the haunting events that brought him to Austral...

Walt and the others are shocked when Michael is brutally beaten, but only the non-English-speaking Jin and Sun know t...

Charlie begins a painful journey of withdrawal from drugs, surprisingly aided by Locke, whose true motive for helping...

Shannon's inhaler runs out and Boone believes Sawyer has the remaining three in his stash. When Sawyer refuses to giv...

Sayid's life is placed in grave danger after he stumbles upon the source of the mysterious French transmission, the w...

Claire has a horribly realistic nightmare about her new baby being harmed or kidnapped. Flashbacks reveal Claire's ba...

Survivors wonder why Charlie and Claire have been abducted - and by whom - and a search party ventures into the treac...

Jack, Kate and Sawyer fight over possession of a newly discovered locked metal briefcase which might contain insights...

When Locke learns that Boone wants to share their "secret" with Shannon, Locke decides to teach him a lesson. This l...

Violence ensues and a mysterious island beast makes a re-appearance when Michael and Locke clash over Walt's upbringi...

After the missing Claire returns with no recollection of what has happened since before she boarded the doomed Oceani...

Kate and Sawyer divulge dark secrets to each other while tracking a renegade boar that Sawyer swears is purposely har...

When the raft the survivors have been building mysteriously burns down, Michael is convinced that Jin is responsible ...

When Hurley becomes obsessed with the French woman and heads into the jungle to find her, Jack, Sayid and Charlie hav...

Locke thinks he's being sent a sign on how to get the hatch open, and he and Boone venture inland. Jack is reluctant ...

Jack tends to a severely wounded Boone after Locke returns him to the caves. In the confusion, Locke slips away to d...

After another funeral, tempers rise as the survivors' suspicions of each other grow, and an unlikely survivor vows re...

Jack suspects foul play when Michael becomes violently ill while building the raft. The suspects include Sawyer and K...

The French woman-Danielle Rousseau-shocks the survivors by showing up to the camp with a dire warning about "the Othe...

The castaways on the raft are surprised at sea by something unexpected. Meanwhile, remaining islanders attempt to blo...