Vet Leanne races to rescue critically injured koalas from Australia's blazing bushfires. A two-ton rhino calf named Kipenzi wreaks havoc in the zoo trucks, and the carnivore team eagerly awaits to see if snow leopard Miska reveals an exciting secret.

Injured elephant, Man-Jai, desperately needs emergency tusk surgery, while a massive clean-up operation begins for a family of hippos. A bent beak jeopardizes a couple of lovebird penguins, and a strange resident gets VIP treatment.

The games begin for keepers when orangutan Malu destroys his playroom. An elderly horse must undergo a risky procedure, and keepers must decide if it's time to say goodbye to one of the zoo's beloved giraffes.