Jimmy Carr returns with this comedy version of the famous afternoon game show, with Sean Lock, Bill Bailey and Paul Foot going up against guest captain Sarah Millican with Rob Delaney and Romesh Ranganathan. Nina Conti joins Countdown's resident lexicographer Susie Dent in Dictionary Corner, while Rachel Riley looks after the letters and numbers at the board.

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 Kevin Bridges. Countdown regular Susie Dent is assisted in Dictionary Corner by Joe Lycett, while Rachel Riley provides the letters and numbers with a little help from Nick Helm

Jimmy Carr hosts the comedy panel show's version of the famous quiz, with team captains Sean Lock and Jon Richardson joined by guests Rhod Gilbert and Sara Pascoe. Countdown regular Susie Dent is assisted in Dictionary Corner by Johnny Vegas, while Rachel Riley provides the letters and numbers with a little help from Joey Essex

Jimmy Carr hosts the comedy panel show's version of the famous words-and-numbers quiz, with team captains Sean Lock and Jon Richardson joined by guests including comedienne Katherine Ryan. Countdown regular Susie Dent is in Dictionary Corner, aided by comedian Greg Davies, while Rachel Riley provides the letters and numbers

Jimmy Carr hosts the comedy panel show's version of the famous words-and-numbers quiz, with team captains Sean Lock and Jon Richardson joined by Miles Jupp and Greg Davies. Holly Walsh presides alongside Countdown regular Susie Dent in Dictionary Corner, while Rachel Riley provides the letters and numbers

Jimmy Carr hosts the comedy panel show's version of the words and numbers quiz, with Vic Reeves and Sara Pascoe joining team captains Sean Lock and Lee Mack. Alex Horne and the Horne Section join Countdown regular Susie Dent in Dictionary Corner, while Rachel Riley provides the numbers and letters

Jimmy hosts the comedy panel show with regular team captain Sean Lock and guest captain Sarah Milican joined by Katherine Ryan and Bob Mortimer. The Horne Section presides alongside Countdown regular Susie Dent.

Jimmy Carr hosts, with regular team captain Sean Lock and guest captain Sarah Millican joined by Rhod Gilbert and Roisin Conaty. David O'Doherty resides alongside Susie Dent and Rachel Riley provides the letters and numbers.

Jimmy hosts the panel game, with Sean Lock and special guest captain Joe Wilkinson with celebrity guests Danny Dyer and Seann Walsh. Susie Dent is joined by Bill Bailey in Dictionary Corner, while Rachel Riley looks after the numbers and letters.

Jimmy Carr hosts the comedy panel show's version of the words-and-numbers quiz, with Sean Lock and guest captain Sarah Millican are joined by Johnny Vegas and Rob Beckett. Vic Reeves assists Susie Dent in Dictionary Corner and Rachel Riley looks after the numbers and letters

Jimmy Carr hosts the comedy panel show's version of the words-and-numbers quiz, with Lee Mack and David O'Doherty vying against regular team captain Sean Lock and Mel Giedroyc. Susie Dent is joined by Adam Buxton in Dictionary Corner and Rachel Riley looks after the numbers and letters

Regular team captain Sean Lock is joined by Andrew Flintoff to battle guest captain Bill Bailey and team-mate Roisin Conaty as Jimmy Carr hosts another edition of the comedy panel quiz show mash-up. Susie Dent is ably assisted by Rob Beckett in the Dictionary Corner, while Rachel Riley deals with the numbers and letters

Regular team captain Sean Lock is joined by Liza Tarbuck to battle guest captain Sarah Millican and team-mate Romesh Ranganathan as Jimmy Carr hosts another edition of the comedy panel quiz show mash-up. Susie Dent is ably assisted by Phill Jupitus in Dictionary Corner, while Rachel Riley deals with the numbers and letters

Jimmy Carr hosts the comedy panel show's version of the words-and-numbers quiz, with Sean Lock and Bill Bailey taking on special guest captain Joe Wilkinson and Isy Suttie. Susie Dent is joined by Joe Lycett in Dictionary Corner, while Rachel Riley looks after the numbers and letters

Jimmy Carr hosts the comedy panel show's version of the words-and-numbers quiz, with Sean Lock and Henning Wehn taking on special guest captain Bill Bailey and Jessica Hynes. Susie Dent is joined by Tom Allen in Dictionary Corner, while Rachel Riley looks after the numbers and letters

Jimmy Carr hosts the comedy panel show's version of the words-and-numbers quiz, with Sean Lock and Sara Pascoe taking on Jon Richardson and Josh Widdicombe. Susie Dent is joined by Alex Horne and the Horne Section in Dictionary Corner, while Rachel Riley looks after the numbers and letters

Jimmy Carr hosts the comedy panel show's version of the words-and numbers-quiz with Sean Lock and Greg Davies taking on Jon Richardson and Holly Walsh. Susie Dent is joined by Vic Reeves in Dictionary Corner, while Rachel Riley looks after the numbers and letters