Jimmy Carr hosts the comedy panel show's version of the famous quiz, with team captains Sean Lock and Jon Richardson joined by guests Kathy Burke and Josh Widdicombe. Countdown regular Susie Dent is assisted in Dictionary Corner by Dara Ó Briain, while Rachel Riley provides the letters and numbers with a little help from Joe Wilkinson

Jimmy Carr hosts with Sean Lock and Kevin Bridges who take on Jon Richardson and Kathy Burke. Joe Lycett joins Susie Dent, while Nick Helm 'assists' Rachel Riley.

Jimmy Carr hosts the show while guest captain Kathy Burke and Roisin Conaty take on guest captains Johnny Vegas and Bob Mortimer. John Cooper Clarke is in Dictionary Corner.