Lost: What They Died for

"What They Died For" is the 16th and penultimate episode of the American Broadcasting Company's final season of the serial drama television series Lost and 119th and penultimate episode overall. The episode aired on May 18, 2010, on ABC in the United States. The episode's flash-sideways are centered on Jack Shephard, Desmond Hume, Benjamin Linus and James "Sawyer" Ford. In the flash-sideways timeline, Desmond Hume (Henry Ian Cusick) continues his attempt to gather all the passengers of Oceanic Airlines Flight 815. In 2007, The Man in Black (Terry O'Quinn) devises a new strategy. Jack Shephard (Matthew Fox) takes the role as leader of the island while he and his group search for Desmond.