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 as Jon Richardson and Jack Whitehall take on Sean Lock and Roisin Conaty. Rob Beckett joins Susie Dent in Dictionary Corner, while Joe Wilkinson 'helps' Rachel Riley.

Jimmy Carr hosts, while Jon Richardson and Katherine Ryan take on Sean Lock and Rob Beckett, Greg Davies is in Dictionary Corner

Jimmy Carr hosts. Sean Lock and Johnny Vegas take on guest captain Sarah Millican with Rob Beckett. Vic Reeves is in Dictionary Corner with Susie Dent and Rachel Riley.

Jimmy Carr hosts. Sean Lock and Freddie Flintoff take on guest captain Bill Bailey with Roisin Conaty. Rob Beckett is in Dictionary Corner, with Susie Dent and Rachel Riley.

Sean Lock and Rob Beckett take on Jon Richardson and Cariad Lloyd. Jamie Laing is in Dictionary Corner with Susie Dent, Rachel Riley deals the letters and numbers and Jimmy Carr hosts.

Jimmy Carr hosts. Jon Richardson and Alex Brooker take on Johnny Vegas and Sara Pascoe. Tom Allen's in Dictionary Corner. Claudia Winkleman and Rob Beckett stand in for Rachel Riley.

Jimmy Carr hosts with guest captain Richard Ayoade and Rob Beckett vs Jon Richardson and Claudia Winkleman. Adam Riches joins Dictionary Corner, with Susie Dent and Rachel Riley.

Jimmy Carr hosts the words and numbers quiz that this week pits Sean Locke and Michelle Wolf against Jon Richardson and Rob Beckett. Spencer Jones joins Susie Dent in Dictionary Corner.