Jimmy Carr hosts, alongside team captains Sean Lock and Jon Richardson, who are joined by Jo Brand and Claudia Winkleman. Bill Bailey joins Susie Dent in Dictionary Corner, while Joe Wilkinson 'helps' Rachel Riley provide the letters and numbers.

Jimmy Carr hosts the comedy panel show's version of the famous quiz, with team captains Sean Lock and Jon Richardson joined by guests Vic Reeves and Jo Brand. Countdown regular Susie Dent is in Dictionary Corner with Adam Buxton, maths expert Rachel Riley looks after the letters and numbers, and there's a special appearance by Rob Beckett.

Jimmy Carr hosts the words and numbers game show mash-up, with Countdown regulars Rachel Riley and Susie Dent. Jon Richardson and Jo Brand take on Joe Wilkinson and Jamali Maddix. Rachel Parris is in Dictionary Corner.