High Quality Content by WIKIPEDIA articles! "What They Died For" is the 16th and penultimate episode of the American Broadcasting Company`s sixth 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.