Ben Fogle and Kate Humble explore life behind the scenes at Longleat Estate and Safari Park. Its time for the lion cub to venture into the great outdoors - but is she too much of a scaredy cat? The otter pups are weaned and want solid food, but mum keeps scoffing the lot. It's treats all round as Kate give chews to the chinchillas, while Ben catches up on life after Babs in the rhino house.