High Quality Content by WIKIPEDIA articles! "Lighthouse" is the fifth television episode of the American Broadcasting Company's sixth season of the serial drama television series Lost and 108th episode overall. The episode aired on February 23, 2010 on ABC in the United States and 2 hours earlier on A in Canada due to the 2010 Winter Olympics. The episode was written by showrunners and executive producers Damon Lindelof and Carlton Cuse and was directed by Jack Bender.Jack Shephard is the character centered on this episode.