8 Out of 10 Cats Does Countdown Christmas Special

Johnny Vegas and Sean Lock take on Jon Richardson and Katherine Ryan

Jimmy Carr hosts a festive edition of the comedy panel show's version of the popular and long-running words-and-numbers quiz. Regular team captains Sean Lock and Jon Richardson are joined by guests Johnny Vegas and Katherine Ryan to provide more comic innuendos, festive surprises and laughs aplenty. Countdown's resident lexicographer Susie Dent takes her usual place in Dictionary Corner with David O'Doherty, while mathematics whizz Rachel Riley is on hand to provide the letters and numbers