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This is it for Lost. After six truly amazing season, the show has concluded with a two-and-a-half hour episode that leaves fans sad, curious and satisfied.

As Locke plots a new strategy on this episode, Jack's group has its own mission: track down Desmond.

This was unlike any Lost episode in the show's history. It focused entirely on the relationship between the Man in Black and Jacob, and introduced perhaps the most important character in show history.

Jack is asked to complete a difficult task this week. The episode is titled "The Candidate."

Jack's camp and Locke's camp have merged. This episode is titled "The Last Recruit."

This episode belongs to Hurley. In it, we learn more about the Sideways world of Lost.

In "Happily Ever After," Desmond wakes up to discover he's back on the island. We also learn more about Widmore's plans.

This is the 10th episode of the final season. It's titled "The Package."

During "Ab Aeterno" we explore Richard's past.

This episode is titled "Recon." It's the seventh new episode of Lost.