Celebrity Fifteen to One is a celebrity version of the Channel 4 game show Fifteen to One. William G. Stewart presented the first two episodes, which were Christmas specials that aired on 27 December 1990 and 30 December 1992, and Adam Hills has hosted subsequent episodes on 20 September 2013, 6, 13, 20 and 27 June 2014, a Christmas special on 23 December 2014 and 7, 14, 21 and 28 August 2015. Richard Whiteley, Anna Raeburn, Sally Jones and Rory McGrath appeared on both 1990s episodes, with Alex Brooker, Jimmy Carr, Johnny Vegas, Rhod Gilbert and Gyles Brandreth also having made appearances on more than one Hills episode. Of these, Brandreth is the only person to have made appearances on episodes presented by both hosts.