Giles Coren, Rachel Johnson, Chris Packham, Josie Long

Bradley Walsh presents as celebrity contestants Giles Coren, Rachel Johnson, Chris Packham and Josie Long pit their wits against one of the ruthless Chasers in the hope of winning a potential prize pot worth thousands of pounds for charity. 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.