Episode 4

A specialist wildlife cameraman from the BBC's Planet Earth series arrives at the park attempting to film Longleat's fastest mammals, but will his high-tech equipment be able to match the explosive power of the cheetahs? The park is mobilised and the vet has been called because one of the roan antelope is in trouble and needs an emergency procedure. Meanwhie, Kate Humble and Ben Fogle hear the results of a leading expert's study into the wellbeing of Anne the former circus elephant - how much has she improved, and what more can be done to help her?