2/25 Donning spacesuits, Kremmen and Carla tread boldly to investigate the mysterious thingy.
4/6 Derren Brown gets inside the mind of musical wizard and fellow sceptic Tim Minchin.
Morecambe and Wise and Ronnie Hilton head a star-spangled bill from Blackpool.
6/6 Tom finds himself on a Derbyshire moor looking for a potentially devastating family secret
6/6 The call centre staff at catalogue company Smile5 discover why Sailesh left Bangalore.
4/4 In his town demolition expose, David Lander looks at the trial and disturbing aftermath.
6/6 Comatose Ben journeys across his brain's landscape, reminding him of Tolkien's Mordor.
2/3 When Mr Braithwaite has a spare ticket to Moscow, Adrian jumps at the chance to go.
2/5 Aggrieved Irene must bite her tongue when Vera's daughter Karen has a serious health scare
2/5 Tracing the myth back to Turkey, Jeremy Seal finds mysterious relics, including a finger.