Lost has twelve seasons.
One-hundred-twenty-one Lost episodes aired between September 22 , 2004 , and May 23 , 2010 .. Lost. Lost ( TV series ). J. J. Abrams , who co-created the American serial drama television series Lost with Damon Lindelof , directed the pilot episode , which was based upon an original script titled Nowhere written by Jeffrey Lieber .. J. J. Abrams. J. J. Abrams. serial. Serial ( radio and television ). Lost. Lost ( TV series ). Damon Lindelof. Damon Lindelof. the pilot episode. Pilot ( Lost ). Jeffrey Lieber. Jeffrey Lieber. Six seasons of the show aired , in addition to numerous clip shows to recap previous episodes .. American Broadcasting Company -LRB- ABC -RRB- , the producer of Lost , announced that the series would end after six seasons .. Lost. Lost ( TV series ). American Broadcasting Company. American Broadcasting Company. The series follows the experiences of the survivors of a plane crash on a passenger jet , Oceanic Flight 815 , which crashed on a tropical island in the South Pacific , with each episode typically featuring action on the island as well as a secondary storyline from another point in a character 's life .. Oceanic. Oceanic Airlines. a tropical island. Mythology of Lost#The Island. The series also includes stories of the lives of people already living on the island -- they include the `` Others '' , who initially antagonize the survivors , as well as a group of people who arrive on the freighter Kahana .. Others. Others ( Lost ). Lost  : Missing Pieces consists of thirteen original two - to three-minute clips referred to as `` mobisodes '' which were produced for cell phones and released between seasons three and four .. Lost. Lost ( TV series ). three. Lost ( season 3 ). four. Lost ( season 4 ). Multiple former and recurring cast members made an appearance in the series finale .. former and recurring cast members. List of Lost cast members. the series finale. The End ( Lost )