Two girls with a fearsome reputation are on their way to the park. Ben Fogle and Kate Humble meet Fang and Keo, two endangered Cuban crocodiles. They might not be the biggest, but this duo are known to be the most ferocious of crocs. Can keepers stay out of harm’s way, and how do you train a creature related to dinosaurs?

Keepers and vets are battling to get to the bottom of why rare red panda Ponja isn’t putting on weight. She’s destined to be part of an international breeding programme to help to save these critically endangered animals. But she’s half the size of her twin sister. Just what might be the problem, and will it scupper her chances of being a mum?

Kate’s no stranger to sheep with a flock of her own at her home. But, as she discovers, four of Longleat’s Cameroon rams are giving keepers a run for their money – and they take a dislike to Kate’s cameraman.

Jean Johansson is with the two retired timber wolves, Dave and Alf, to see how they help the weekly test fire alarm echo loud and clear across the park, and she discovers how you put a teenage tiger to bed. Show less