After Judith Keppel became Who Wants to Be a Millionaire?’s first million-pound winner, in 2000, she went on to become a quiz compiler for the Daily Telegraph and join the Eggheads team.

Here Judith, her former quizmaster Chris Tarrant, The Chase’s Mark Labbett, Only Connect host Victoria Coren Mitchell and Nicholas Parsons join presenter Ben Miller to explore the rise of ‘pro quizzers’ – quiz show regulars whose lives have been changed by their brilliant brains.