What They Died For
Lost: Season 6, Episode 16
After the submarine explosion, Jack, Kate, Hurley, and Sawyer wash ashore, alive. Jack determines they must find Desmond, whose importance is revealed by the Man in Black's attempt to kill him.
Show: Lost
Air date: May 18, 2010
Writers: Elizabeth Sarnoff, Edward Kitsis, and Adam Horowitz
Season number: 6
Director: Paul A. Edwards
Episode number: 16