Child Genius returns with 20 of the country’s cleverest 8-12 year olds – and their extraordinary parents – battling across one week in the Mensa backed competition for the title of Britain’s brightest child. Led by quizmaster extraordinaire Richard Osman, the competitors will be tested over six grueling competition days. The series follows the family life of the remarkable competitors, revealing their exceptional talents. Ultimately only one can be crowned Child Genius 2017.