Catch Mawaan Rizwan and Roisin Conaty on this year's 'Big Fat Quiz of Everything'

Jimmy Carr quizzes Richard Ayoade, Roisin Conaty, Joanne McNally, Rob Beckett, Rosie Jones and Mawaan Rizwan on everything from Ringo Starr to Lynx deodorant and a bomb-defusing dog. Watch the special episode on Channel 4 at 10pm on 21st December.