Episode 1 - Christmas Special: Sair Khan, Zoe Williams, Danny O'Carroll & Charlotte Church

Episode 2 - Christmas Special: Kadeena Cox, Vicki Michelle, Radzi Chinyanganya, Bradley Wiggins

Episode 3 - Chizzy Akudolu, Andrew Pierce, Sonja McLaughlan, Jack Carroll

Chizzy Akudolu, Andrew Pierce, Sonja McLaughlan and Jack Carroll hope to win thousands of pounds for charity as they take on one of the country's finest quiz brains, but can they?

Episode 4 - Cheryl Baker, Laura Tobin, Jason Bell and Mark Steel

Bradley Walsh presents as Cheryl Baker, Laura Tobin, Jason Bell and Mark Steel pit their wits against one of the ruthless Chasers in the hope of winning a potential prize pot worth thousands of pounds. They must work as a team and play strategically to answer general knowledge questions against the clock and race down the game board to the exit without being caught.

Episode 5 - Toby Anstis, Paula Radcliffe, Rav Wilding & Vanessa Feltz

Bradley Walsh presents as Toby Anstis, Paula Radcliffe, Rav Wilding and Vanessa Feltz pit their wits against one of the ruthless Chasers in the hope of winning a potential prize pot worth thousands of pounds. They must work as a team and play strategically to answer general knowledge questions against the clock and race down the game board to the exit without being caught.

Episode 6 - Raj Bisram, Danielle Harold, John Conteh & Roger Black

Episode 10 - Jon Sopel, Maisie Summers-Newton, Perri Shakes-Drayton & Brian Conley

Episode 12 - Adam Jones, Monica Dolan, Dom Wood & Dick McCourt