Christine Ohuruogu, Max George, Maisie Smith, Owain Wyn-Evans

Bradley Walsh presents as Ortis Deley, Maggie Aderin-Pocock, Graeme Hall and Sarah Millican 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