John Craven hosts the quiz in which contestants and viewers face a mental fitness test set by the most exacting of task masters: the Brain. A team of four contestants must navigate a selection of tricky puzzles, fiendish logic problems and prickly posers in an effort to win a cash prize.

A mother, son, aunt and family friend see if they can use the agility of their minds to Beat the Brain and win the £3,000 prize. Show less