6/10 The team investigate what makes the thundercloud so feared.
4/10 Tim meets Luci Romberg, an elite free runner, champion gymnast and Hollywood stuntwoman. (R)
1/10 The team joins a group of scientists and help track down two of the world's rarest lemurs. (R)
5/10 Dick and Dom reveal the genius of Delia Derbyshire. (R)
19/24 Derek and Siobhan visit Tollcross Primary school. (R)
2/7 Following three children with Down's Syndrome over a summer that will change their lives. (R)
5/13 Premiership Champions Manchester City train and prepare a hopeful goalkeeper. (R)
Monday 25 February 2013