Question: when was the last episode of lost aired
Answer: Season 6 Episode 17 & 18 Directed by Jack Bender Written by Damon Lindelof Carlton Cuse Production code 617 & 618 Original air date May 23 , 2010 ( 2010 - 05 - 23 ) Running time 104 minutes Guest appearance ( s ) Dylan Minnette as David Shephard Neil Hopkins as Liam Pace John Pyper - Ferguson as Bocklin Alan Seabock as Sub captain Paul Mitri as Roadie Eric Nemoto as Oceanic rep Christina Souza as Jean Note : numerous returning actors are credited to the Main Cast Episode chronology ← Previous `` What They Died For '' Next → `` The New Man in Charge '' Lost ( season 6 ) List of Lost episodes