
The Island is skipping through time. The Oceanic Six must return.

Hurley struggles with the Oceanic Six's cover story. He turns to an unlikely person for help.

Desmond searches for Daniel's mother. The time-travelers visit the 1950s Island.

Kate faces losing Aaron. The time-travelers see familiar events from a new perspective.

Jin witnesses Rousseau's story firsthand. Locke must leave the Island.

The Oceanic Six find a way back to the Island.

Locke's journey off the Island and his death are shown.

Three years pass. Sawyer builds a new life in an unexpected time.

The returning group integrates into DHARMA 1977. Sun searches for Jin in the present.

Sayid is captured by DHARMA. He faces young Ben Linus.

The group debates saving young Ben. Kate reveals why she returned to the Island.

Ben is judged by the Smoke Monster. His history with the Island is deepened.

Miles's backstory and connection to the Island are revealed.

Daniel Faraday returns with a radical plan to change the future.

Jack commits to Daniel's plan. Locke takes charge of the Others.

The season finale begins. Jacob is seen for the first time.

The finale reaches its explosive conclusion. Multiple shocks in rapid succession.