21/32 Tim Wonnacott is at the Lincolnshire Showground, with Paul Laidlaw and Charles Hanson.
2/25 A grandfather and grandson team hope their combined knowledge will be help crack the code.
2/32 David Harper and Natasha Raskin help the teams get first past the post at Epsom Downs.
3/9 Victoria Coren Mitchell hosts, with guest panellists Romesh Ranganathan and Eddie Izzard.
11/18 Stephen Fry visits the menagerie for a look at some animals which start with the letter M.
Sidlesham Primary School take on Delamere Church of England Academy.
Jeremy Vine hosts a general knowledge quiz featuring the UK's top quiz champions.
Quiz in which contestants try to score as few points as possible.
17/32 Philip Serrell and Anita Manning help the teams at Europe's biggest antiques fair.
1/25 Can married couple Carolynne and David from Reading crack the code?