A look at the history of the genre, discovering how the humble quiz went from schedule filler to a staple of primetime, featuring interviews with hosts, producers and creators. There archive clips from The Generation Game, Catchphrase and Blankety Blank as well as industry game-changer Who Wants to Be a Millionaire?, as well as the stories of people including Fred Housego, the taxi driver who won Mastermind, and Anneka Rice, who blazed a trail for female presenters.