6/6 Brian Cox and Robin Ince look at some of the most serendipitous discoveries in science.
2/6 Marcus Brigstocke tries to tempt Arthur to ventures new.
2/4 There is a robbery in the Fings and Bobs shop, and Ruth confronts a colleague with a tic.
1/4 The remarkable true history of rockets and the men, women and animals behind them.
4/4 Robbie is taught a lesson, but Harvey feels it's time to spill the beans.
2/8 With Paul Merton, Tony Hawks, Josie Lawrence and Alun Cochrane. Nicholas Parsons hosts.
4/4 Sir Lucien tasks his team of architects with building new homes on Hackney Marshes.
2/6 Ending her relationship with Brian, Clare is surprised by her colleagues' reaction.
2/4 Memories of a snowy childhood and the experience of being in a long-term relationship.
5/6 The Questers accidentally trespass, while Lord Darkness loses a teapot.
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