Dean Jackson with Jack Garratt, Beck Goldsmith, Bedbound By Summer and The Vigilantes.
BBC Radio Nottingham
8/9 Sandi Toksvig is joined by Jeremy Hardy, Camilla Long, Romesh Ranganathan and John Robins.
BBC Radio 4
Josh Widdicombe is joined by Richard Osman, Greg Brady, John Rawling and Henning Wehn.
BBC Radio 5 live
3/6 John Lloyd invites Kevin Eldon, John Ronson and Richard Wiseman to add to the collection.
This is when your weekend really starts. Join in on 0370 143 1333 (national rate).
Ifan Sion Davies yw'r cwis feistr wrth i Ysgol Dyffryn Ogwen herio Ysgol Bryn Tawe.
BBC Radio Cymru
1/6 Martin Young hosts the quiz. With Francis Wheen, Fred Housego, Sue Cook and Annabel Giles.
BBC Radio 4 Extra
5/6 Gyles Brandreth hosts with Lucy Moore, Anthony Holden, Richard Herring and Louise Doughty.
3/4 Clive Anderson's quiz with Mark Steel, John O'Farrell, Chris Addison and David Quantick.
6/6 The TV star and consumer champ quizzes a panel about herself.