Dr Christian Jessen, JB Gill, Helen Lederer, Stephen Hendry

Bradley Walsh presents as Embarrassing Bodies presenter Dr Christian Jessen, Jonathan Benjamin `JB' Gill of JLS, comedienne Helen Lederer and former professional snooker player Stephen Hendry pit their wits against the Chaser in the hope of winning a potential prize pot worth thousands of pounds for their charity of choice. 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