8 Out of 10 Cats Does Countdown

Judi Love, Katherine Parkinson, Spencer Jones

Jimmy Carr hosts the comedy words-and-numbers quiz, with panellists putting their mental agility to the test. Jon Richardson and Judi Love take on Rob Beckett and Katherine Parkinson. Spencer Jones joins Susie Dent in Dictionary Corner, while maths whizz Rachel Riley looks after the numbers.

Roisin Conaty, Kiell Smith-Bynoe, Lou Wall, Sam Nicoresti

Jimmy Carr hosts the comedy words-and-numbers quiz, with Jon Richardson and Roisin Conaty taking on new team captain Rob Beckett and Kiell Smith-Bynoe. Countdown regulars Rachel Riley and Susie Dent are on hand to adjudicate, with Susie joined by Lou Wall in Dictionary Corner.

Judi Love, Miles Jupp, Róisín and Chiara, Dane Buckley

Jimmy Carr hosts, with Jon Richardson and Judi Love taking on Rob Beckett and Miles Jupp. Comedy duo Róisín and Chiara join Susie Dent in Dictionary Corner. Rachel Riley's on the numbers and letters. And Dane Buckley parachutes in to help the losing team.

Episode 4