Silence is Golden review – Katherine Ryan would definitely kill your dog for cash

This nerve-jangling gameshow – in which stars try to make an audience laugh, gasp or worse – gives us comics on gloriously evil form and the best TV villain in decades. If only they hadn’t wheeled out a naked old woman …Well, here’s a tricksy little proposition! What happens when you give a television studio audience a prize pot of £250,000 to share equally among themselves, then tell them that all they’ve got to do to get it is remain silent (any words