Emily has a close call with a lion during a challenging relocation. Harriet searches for an elephant. At the largest orphan rhino sanctuary in the world, a baby rhino isn't putting on enough weight.

Emma has a very poorly patient, Emily has a hard decision to make when a Cape buffalo is seriously injured, and Anna hopes to help dehorn five white rhinos to make them less valuable to poachers

Emma looks after an aardvark who needs five-hour walks every night, Jenna and Sean try to discover just how good an elephant's hearing is, and Josie deals with an injured vervet monkey

Harriet helps with an elephant whose leg has been wounded by a poacher's snare, Debbie is kept busy with nine orphaned baby monkeys, and Emma becomes a surrogate mum to a three-week-old baby hippo.

Will moves a five-tonne elephant to a new home, Debbie has her hands full with two orphaned baboons, and Alison prepares to release three critically endangered African penguins back into the ocean