5/20 Richard Hammond's Lab Rats take part in a Blast Lab race to investigate the release of CO2 (R)
2/13 Six children must work together to complete challenges - yet one of them can't be trusted. (R)
The theme is air pressure, and the teams are each building a rocket launcher. (R)
23/32 The teams are helped by Catherine Southon and Philip Serrell in Exeter. (R)
13/13 The year is 2110 and the entire planet has been taken over by the Roboidz. (R)
Anne Robinson presents the quick-fire general knowledge quiz. (R)
15/52 The teams take it in turns to copy pictures, actions and displays of musical genius. (R)
25/32 David Barby and Philip Serrell lead the red and blue teams at the Kent Showground.
44/70 Quiz in which contestants try to score as few points as possible.
7/11 Annabel Croft, Beth Tweddle and Sam and Mark join captains Austin Healey and Joe Swash. (R)
21/140 Dermot Murnaghan hosts a general knowledge quiz featuring the UK's top quiz champions.
26/45 Phil Howard, Graham Garrett and Marcus McGuinness kick things off with their starters.
28/36 With guests Tessa Sanderson, Iain Dowie, Scott Quinnell and Ben Shephard.
BBC One except Northern Ireland, Scotland, Wales
BBC One Scotland, Wales only
BBC One Northern Ireland
Tuesday 15 May 2012