Nicholas Crane explores the coast of South Wales.
12/31 Neil Oliver ventures out on to Worm's Head, a snake of land off the Gower Peninsula.
4/10 The vets tackle some smelly jobs and learn that not all cases end happily.
3/8 Britain's bonds with its Celtic cousins across the Channel in Brittany are explored.
2/13 Dr Michael Mosley finds out what impact meat production is having on the planet.
6/6 The team explore what becomes of Britain's coast in winter.
3/10 The intense pressure is starting to take its toll on some of the students.
2/8 Mark Horton has privileged access to the historic dockyards at Devonport.
4/6 Examining the extreme landscapes in northern China, where life is always on the edge.
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1/3 Patrick Aryee and Helen Czerski reveal extraordinary senses of sight in the animal world.
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