24: Live Another Day is a 24 limited event television series that aired on Fox from May 5 to July 14, 2014. Sky 1 simulcast the premiere on May 6 in the United Kingdom and Ireland but switched to Wednesday nights for the rest of the episodes. It began airing in Australia on Network Ten on May 12, 2014. Set four years after the events of season 8, it adheres to the real time concept of covering the events of a 24-hour period and begins and ends at 11:00 a.m. However, there is a 12-hour time jump within the final episode.

24 is an American action drama television series created by Joel Surnow and Robert Cochran for Fox. The series stars Kiefer Sutherland as US counter-terrorist federal agent Jack Bauer. Each season covers 24 consecutive hours in Bauer's life using the real time method of narration, which is emphasized by the display of split screens and a digital clock. The show premiered on November 6, 2001, and spanned 204 episodes over nine seasons, with the series finale broadcast on July 14, 2014. In addition, the television film 24: Redemption aired between seasons six and seven, on November 23, 2008. 24 is a joint production by Imagine Television and 20th Century Fox Television.