169/221 Mrs Tembe organises a walking tour for her church group, but the guide is unhelpful. (R)
26/32 Thomas Plant and David Harper help the teams in Derby. (R)
7/30 A man is shot, and the team must save his life. A teenage motorist is run over by her car.
99/140 Jeremy Vine hosts a general knowledge quiz featuring the UK's top quiz champions.
7/25 Michael Portillo gets close to some precious Victorian botany at Kew Gardens.
2/3 Gordon and the team return to Svalbard in mid-June on the trail of Lyra and her cubs.
2/4 Martin Hughes-Games scales the snowy Cairngorms to track down the mountain hare.
1/3 A look at railways from their beginnings as tracks for coal carts in the 18th century.
1/6 Sarah Millican is joined by Strictly's Craig Revel Horwood and Spice Girl Melanie C.
As HMV prepares for administration, what is the future for the high street?
2/2 Mark Urban continues the story of men from the Fifth Royal Tank Regiment in World War II.
James Holland takes a fresh look a the battle for Malta during the Second World War.
Wednesday 16 January 2013