2/13. Exmouth to Bristol. The South West of England bears the brunt of our worst storms, as Dr Alice Roberts discovers when she investigates how human greed led to an entire village being washed into the sea.
Meanwhile, Nicholas Crane unearths the little-known history of the slave trade in Plymouth, Mark Horton probes the origins of the Royal Mail, and Miranda Krestovnikoff comes face to face with the UK's only native shark - the porbeagle. Continues on Friday at 9pm. See also Scots at Sea at 10pm on BBC4.
Series producer Steve Evanson ; Series editor Gill Tierney INTERACTIVE: short films, details of 39 coastal walks around
Britain (12 with mobile-phone commentary), plus details of how to sign up for free local guided walks are available via the red button. Details of the walks are also available at www.bbc.co.uk/whereilive or by calling the information line on [number removed] (national rate)