High Quality Content by WIKIPEDIA articles! "Because You Left" is the television season premiere of the American Broadcasting Company`s fifth season of the serial drama television series Lost. The episode is the 87th episode of the show overall, and was written by executive producers/show runners Damon Lindelof and Carlton Cuse and directed by co-executive producer Stephen Wiliams. It first aired on January 21, 2009 on ABC in the United States and was simulcast on A in Canada. It aired immediately after a clip-show that recaps the first four seasons and aired back-to-back with the next episode, "The Lie".