The Junior version of Britain's toughest quiz
Series 5 homepage
John Humphrys presents the junior version of the tough general knowledge quiz.
Series 3 homepage
General knowledge quiz. Younger contestants brave the infamous black chair.
Series 2 homepage
Four children aged just 10 and 11 put their knowledge to the test.
Series 1 homepage
General knowledge quiz, with younger contestants taking their turn in the black chair
Series 4 homepage
