1/3 Nick Baker discovers wildlife wonders around the south west of England's stunning coast.
Neil Oliver discovers why a delegation from the US Navy visits Whitehaven every year. (R)
1/4 A unique record of an expedition into the heart of unknown territory in Papua New Guinea.
2/4 David Attenborough embarks on a quest to uncover the history of a strange wooden carving.
Ellie Harrison visits Dorset to tell the story of conservationist Captain Cyril Diver. (R)
Sarah meets the artist who wants to paint every castle in Scotland.
Hermione Cockburn looks at the rate at which the sands around Southport are disappearing. (R)
The team select a troop of spider monkeys for release. (R)