Season 4 of Lost premiered on January 31, 2008.
The fourth season of the American serial drama television series Lost commenced airing on the American Broadcasting Company Network in the United States, and on CTV in Canada on January 31, 2008 and concluded on May 29, 2008. The season continues the stories of a group of over 40 people who have been stranded on a remote island in the South Pacific, after their airplane crashed there more than 90 days prior to the beginning of the season. According to Lost’s executive producers/writers/showrunners Damon Lindelof and Carlton Cuse, there are two main themes in fourth season: “the castaways’ relationship to the freighter folk” and “who gets off the island and the fact that they need to get back”. Lost came under scrutiny from critics in its third season, but the fourth season was acclaimed for its flash-forwards, pace and new characters.