31/37 The quarter-finals continue as two teams vie to reach the next stage of the competition.
24/27 Three chess players take on a team of Doctor Who fans in the last of the quarter-finals.
3/8 With panellists Gyles Brandreth, Marcus Brigstocke, Jenny Eclair and Shappi Khorsandi.
BBC Radio 4 Extra
Nigel Rees chairs. With Mary Beard, Marcel Theroux, Arthur Smith and Ariel Leve.
General knowledge quiz show hosted by Nick Knowles.
The warriors face Ring Rack, Deep Loch, Roman Road and Treetop Treasure. (R)
7/26 Attacker back talk forces Gildar to ban all sass from Splatalot. (R)
18/32 Kedleston Hall is the venue for four more bargain hunters. (R)
27/40 Three teams battle it out to spot the link between a growing number of clues.