Which American drama television series that originally aired on the American Broadcasting Company (ABC),  comprising a total of 121 episodes, included a fictional character who was played by Ian Somerhalder? 
Boone Carlyle: Boone Carlyle is a fictional character who was played by Ian Somerhalder on the ABC drama television series "Lost", which chronicles the lives of the survivors of a plane crash in the south Pacific. Lost (TV series): Lost is an American drama television series that originally aired on the American Broadcasting Company (ABC) from September 22, 2004, to May 23, 2010, over six seasons, comprising a total of 121 episodes.
Lost