Catchphrase, Mastermind, The Chase… game shows have been popular on radio and TV for generations, but a recent poll has put Gladiators at the top.   Some would debate if that’s even a game show, but there’s no denying that we love watching a bit of jeopardy with real people, whether for money or a trophy.    So, what makes a great game show?  Mark Hughes, a question writer for these kinds of shows, joins Seán to discuss. Image: ITV