Sheila Hancock, Graham Norton, Paul Merton and The Infinite Monkey Cage's Robin Ince try their hand at speaking without repetition, hesitation and deviation. Nicholas Parsons hosts.

Radio 4's classic panel game, in which the contestants are challenged to speak on a given subject for a minute without hesitation, repetition or deviation.

Sheila Hancock, Graham Norton, Paul Merton and The Infinite Monkey Cage's Robin Ince are trying their hand at the game under the watchful eye of Nicholas Parsons. Although none of them seem to know very much about Marco Polo...