24 is an American action drama television series created by Joel Surnow and Robert Cochran for Fox. The series stars Kiefer Sutherland as counter-terrorist agent Jack Bauer. Each season, comprising 24 episodes, covers 24 hours in Bauer's life using the real time method of narration. Premiering on November 6, 2001, the show spanned 192 episodes over eight seasons; the series finale broadcast on May 24, 2010. In addition, a television film, 24: Redemption, was broadcast between seasons six and seven, on November 23, 2008. 24 returned with a ninth season titled 24: Live Another Day, which aired from May 5 to July 14, 2014. 24: Legacy, a spin-off series featuring new characters, premiered on February 5, 2017. After the cancellation of Legacy in June 2017, Fox announced its plan to develop a new incarnation of the franchise. 24 is a joint production by Imagine Television and 20th Century Fox Television and syndicated by 20th Television.