Lost Timeline and Episode Guide

Jack wakes in the bamboo field after Oceanic Flight 815 crashes, and the survivors begin turning disaster into a fragile community.

Locke's backstory reveals he was paralyzed before the crash and healed by the Island.

Hurley's connection to the Numbers reveals a repeating pattern that follows him from lottery luck to Island mystery.

Locke and Boone find the plane, Boone is injured, and Locke pounds on the Hatch in despair before the light turns on.

The raft leaves, Walt is taken, and Jack and Locke open the Hatch.

The Hatch is revealed as Desmond's Swan Station, and Jack's science clashes with Locke's faith.

The Swan orientation film explains Dharma's button protocol and gives the survivors a new test of belief.

Desmond turns the fail-safe after the Swan system collapses, creating a massive electromagnetic event.

Desmond's consciousness shifts after the Swan implosion, revealing his unusual relationship to time.

Ben's past with Dharma and the purge reveals how he became leader of the Others.

Charlie dies after warning Desmond that the freighter is not Penny's boat, while the flash-forward reveals Jack after rescue.

Desmond's mind moves between past and present until Penny becomes the constant that saves him.

The Oceanic Six leave, Ben moves the Island, and the survivors' relationship to home is permanently damaged.

Sawyer builds a life with Juliet inside Dharma's 1970s world.

Juliet detonates Jughead at the Swan site after the electromagnetic crisis begins.

Richard Alpert's past on the Black Rock reveals his bargain with Jacob.

Jacob and the Man in Black's origin explains the protector line and the source of the Smoke Monster.

Jack restores the Island's light and dies, while the flash sideways characters remember and move on.