Season 5

February 4, 2009

Kate discovers that someone knows the secret of Aaron's true parental lineage. Meanwhile, the dramatic shifts through time are placing the lives of the remaining island survivors in extreme peril.

February 11, 2009

Locke shoulders the burden of ending the island's increasingly violent movements through time; Ben is stymied in his efforts to reunite the Oceanic 6 and bring them back to the island.

February 18, 2009

The members of Oceanic 6 discover how to get back to the island, but not all of them want to return.

February 25, 2009

Locke's mission off the island as Jeremy is revealed.

March 4, 2009

Sawyer perpetuates a lie with some of the other island survivors in order to protect themselves from mistakes of the past.

March 18, 2009

After meeting old acquaintances Sawyer is forced to continue lying to protect them.

March 25, 2009

Everyone on the island is at risk when one of the survivors decides to go against them and taking matters into their own hands.

April 1, 2009

Kate goes to extreme measures to save Ben's life when Jack refuses to help. Meanwhile, Kate begins to tell the truth about the lie in order to protect Aaron.

April 8, 2009

To atone for sins of the past, Ben must attempt to summon the smoke monster in order to be judged.

April 15, 2009

Suspicions about a possible breach intensify after Ben is taken from the infirmary, and a reluctant Miles is forced to work with Hurley when he's asked to deliver an important package to a top Dharma official.

April 29, 2009

On the 100th episode milestone for the series, the time of reckoning has begun when Daniel Faraday comes clean regarding what he knows about the island.

May 6, 2009

Jack and Kate find themselves at odds over the direction to take to save their fellow island survivors, Locke further solidifies his stance as leader of "The Others," and Sawyer and Juliet come under scrutiny from the Dharma Initiative.

May 13, 2009

Jack's decision to put a plan in action in order to set things right on the island is met with some strong resistance by those close to him, and Locke assigns Ben a difficult task.

May 13, 2009

Jack's decision to put a plan in action in order to set things right on the island is met with some strong resistance by those close to him, and Locke assigns Ben a difficult task.