The Urban Nature Project team start the ambitious transformation of the Natural History Museum garden, and Kieran delicately repairs a 67-million-year-old triceratops fossil. Elsewhere, preparations are underway as finalists from a wildlife photography competition are invited to a glittering awards ceremony. Cameras follow one of the photographers, Richie Richardson, who has been photographing the Souther White Whale, as he joins whale expert Richard Sabin for a visit to the great storage vaults.

Return of the documentary going behind the doors of the London museum. A young dinosaur researcher scans a giant tooth-filled jawbone belonging to a Gorgosaurus which may reveal the secret of its success 80 million years ago. Elsewhere, the museum's team of experts help a schoolgirl identify a stone she found in her playground, and fly expert Erica heads to the Knepp Estate in Sussex in search of new insect species.