David Attenborough looks at how animals form partnerships. Birds rid larger animals of itchy hangers-on, hermit crabs enlist stinging anemones to repel octopuses. Show more
Fight or flee? Resist or surrender? Aggression is widespread in animals. However, risking injury is the last resort. Presented by Sir David Attenborough. Show more
With guest Shark Peter Jones. The Sharks are presented with a customised song service, a work-from-home idea that increases productivity and a mail-order meal service. Show more
Guest Shark Peter Jones hears pitches on a tool for cleaning quickly and easily, a healthier version of a favourite indulgence and a stylish men's apparel line. Show more