Sue Perkins challenges Gyles Brandreth, Jan Ravens, Tony Hawks and Rachel Parris to speak for 60 seconds without repetition, deviation or hesitation. The long-running Radio 4 national treasure of a parlour game is back for a new series with subjects this week ranging from Humble Pie to Dry Shampoo. Production co-ordinator: Caroline Barlow Sound editor: Marc Willcox Producer: Rajiv Karia A BBC Studios Production