Coast: Season 8, Episode 5

8 - 5:

Nick takes a look around some of the most spectacular and scary sea cliffs in Britain. Tessa talks to a remarkable woman who witnessed a top-secret American 'invasion' of the English south coast during the Second World War. On Ramsey Island, Sarah Beynon looks for the superheroes of the insect world who do the island's dirty work, the dung beetles.