"A Tale of Two Cities" is the third season premiere, and 50th episode overall, of the American Broadcasting Company (ABC)'s serial drama television series Lost. The episode was written by co-creators/executive producers J. J. Abrams and Damon Lindelof, based on a story by Lindelof and directed by executive producer Jack Bender. The episode begins with the introduction of Juliet Burke (Elizabeth Mitchell) and The Barracks.