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The challenging general knowledge quiz, chaired by Russell Davies.
BBC Radio 4
Dean Jackson with Circa Waves, British Sea Power, Louisa Johnson, Rob Green and Harken.
BBC Local Radio
1/6 Ian McMillan chairs the literary quiz with Dillie Keane, Roger McGough and David Stafford.
BBC Radio 4 Extra
7/10 John Moloney, Ayesha Hazarika, Chris Forbes and Susie McCabe join host Des Clarke.
BBC Radio Scotland
1/6 Martin Young hosts the quiz. With Francis Wheen, Fred Housego, Sue Cook and Annabel Giles.
This is when your weekend really starts. Join in on 0370 143 1333 (national rate).
3/10 Animal, vegetable or mineral? Barry Took's revised 20 questions.
2/6 Sue Perkins sets moral posers for Tony Law, Isy Suttie, Gemma Cairney and Tim Harford.
9/10 More fiendish brain teasers with Chris Maslanka, Tony Buzan and Robert Eastway.
Jay Rayner and his panel visit Bermondsey in London.