Jimmy Carr, Sean Lock and Jon Richardson take on the famous words and numbers quiz. Jimmy Carr hosts proceedings, and Sean Lock faces Jon Richardson in a rematch of the original encounter.

David O'Doherty is in Dictionary Corner along with Countdown regular Susie Dent. Meanwhile the country's favourite boffin Rachel Riley provides the letters and numbers with a little help from comedian Joe Wilkinson.

Jimmy Carr hosts as Jon Richardson and Rhod Gilbert take on Lee Mack and Rob Beckett. Tim Key is in Dictionary Corner with Susie Dent, and Rachel Riley is assisted by Joe Wilkinson.

Jimmy Carr hosts the famous words and numbers quiz as 8 Out of 10 Cats team captain Jon Richardson alongside actor Stephen Mangan take on Lee Mack and 'Pointless' boffin Richard Osman. Henning Wehn is in the Dictionary Corner along with Countdown regular Susie Dent. Meanwhile, Rachel Riley provides the letters and numbers with a little help from comedian Joe Wilkinson.

Jimmy Carr hosts while 8 Out of 10 Cats team captains Sean Lock and Jon Richardson are joined by celebrity guests. In this show Jason Manford joins Sean, while Rhod Gilbert teams up with Jon. Countdown regular Susie Dent is in the Dictionary Corner with Danny Dyer, while the country's favourite boffin Rachel Riley provides the letters and numbers with a little help from comedian Joe Wilkinson.

Jimmy Carr hosts new editions of the famous words and numbers quiz, as 8 Out of 10 Cats team captains Sean Lock and Jon Richardson are joined by celebrity guests Miles Jupp and Rhod Gilbert. Countdown regular Susie Dent is in Dictionary Corner with Nick Helm, while the country's favourite boffin Rachel Riley provides the letters and numbers with a little help from comedian Joe Wilkinson.

Jimmy Carr hosts the famous words and numbers quiz, as 8 Out of 10 Cats team captains Sean Lock and Jon Richardson are joined by celebrity guests Sarah Millican and Humphrey Ker. Countdown regular Susie Dent is in Dictionary Corner with Rich Hall, while the country's favourite boffin Rachel Riley provides the letters and numbers with a little help from comedian Joe Wilkinson.

Jimmy Carr hosts the iconic words and numbers quiz, as 8 Out of 10 Cats team captains Sean Lock and Jon Richardson are joined by celebrity guests Sarah Millican and Chris Ramsey. Countdown regular Susie Dent shares Dictionary Corner with Abandoman, while the country's favourite boffin Rachel Riley dispenses the letters and numbers with a little help from comedian Joe Wilkinson.

Jimmy Carr hosts this edition with captain Jon Richardson and special guest captain Lee Mack who are joined by celebrity guests Bob Mortimer and Adam Hills. Countdown regular Susie Dent is in Dictionary Corner with help from Alex Horne and the Horne Section while the country's favourite boffin, Rachel Riley, provides the letters and numbers with a little help from comedian Joe Wilkinson.

Jon Richardson and special guest captain Lee Mack are joined by celebrity guests Henning Wehn and David O'Doherty. Countdown regular Susie Dent is joined by Vic Reeves in Dictionary Corner, while Rachel Riley provides the letters and numbers with a little 'help' from comedian Joe Wilkinson.