S4 E1 • Sport Stars

A sporting celebrity special edition of the quiz, with Phil Tufnell and Martin Offiah.

Première diffusion : 16 février 2013

S4 E2 • Doctor Who Special

A special Doctor Who edition of the quiz, with guests including Sylvester McCoy.

Première diffusion : 23 mars 2013

S4 E3 • Episode 3 - Sitcom Special

Jean Boht, Craig Charles, Nick Conway, Jennifer Gibney, Jeffrey Holland, Danny John-Jules, Brendan O'Carroll, Su Pollard, Shen Xiaojing

Première diffusion : 17 août 2013

S4 E4 • Episode 4

A special edition of the quiz, featuring celebrities from the world of radio. Four pairs of radio DJs and presenters must try to come up with the answers that no-one else could think of. Featuring Scott Mills and Gemma Cairney, Ken Bruce and Anneka Rice, Michael Buerk and Jenny Eclair, and Shelagh Fogarty and Christian O'Connell.

Première diffusion : 24 août 2013

S4 E5 • Episode 5

Top chefs Rachel Allen, Jean Christophe Novelli, Paul Rankin and Rustie Lee take part.

Première diffusion : 31 août 2013

S4 E6 • Episode 6

Christopher Biggins, Natalie Cassidy, Ricky Groves, Tammy Jung, John Noakes, Jessica Pardoe, James Phelps, Oliver Phelps, Peter Purves, Janet Street-Porter

Première diffusion : 7 septembre 2013