A keeper detects a potentially dangerous lump in a juvenile gorilla. In Dubbo, Seven Asian elephants and their enclosure receive a thorough cleaning.

We follow the journey of a vulnerable little penguin through her progression from tiny to mighty. The monitoring systems that protect Taronga's fence lines have been triggered.

From the seaside savannah of Taronga zoo to the wilds of Dubbo, keeper Jacob heads to Taronga's Western Plains to learn how his colleagues manage their mixed species exhibit.

Time for the male chimpanzees to receive health checks. In Dubbo we look backstage at 'The Sanctuary'. Keeper Molly introduces the less imposing members of the carnivore habitats

In one of the biggest undertakings ever attempted at the zoo, the vet team must complete health checks on all twenty-one chimpanzees.

An insight into Sydney's Taronga Zoo and its conservation success story. Over a century old and nestled in Sydney Harbour, Taronga's home to more than 5000 creatures and hundreds of keepers

Keeper Carolene shares a special bond with hippo Nile. Carolene notices a cloudiness in Nile's eyes, prompting urgent investigation. Platypus Mackenzie is being prepped for relocation to a Platypus Rescue HQ Facility in Dubbo

Stealing the hearts of all who meet her, abandoned koala joey Gracie proves to be the cutest possible housemate to foster mother and keeper Annii, who has taken on her 24-hour care with maternal flair.

The mating song between a White cheeked gibbon pair was a joy to hear, but when Taronga's female gibbon, Nellie died six months ago, the male, Kayak went silent.

Taronga's free flight bird experience is a favourite with visitors, but it can take months of training to ensure the birds are happy to take part and don't fly away.

It's an emotional farewell as the Taronga marine keepers wave goodbye to five-year-old Australian Sea Lion, 'Moby'.

Out at Taronga Western Plains Zoo, Masego the wild dog, needs surgery on a worrying lump on her chest. Not only are her keepers worried about what the vets might find, but whether the pack will reject Masego when she returns.

Giraffe Move On this episode, keepers prepare to move their 3 giraffes to a brand-new enclosure. But the entire move is put on hold, as Taronga staff are shocked by the rapid decline of Nyota, one of the zoo's favourite giraffes.

Join us at Taronga Zoo in Sydney for a new documentary series narrated by Naomi Watts. The series provides a look behind the scenes at what it takes to run one of the world's most famous and magnificent zoos.

Introducing the beautiful Nala, an Australian Sea-Lion born at Taronga 10 years ago. Taronga is part of a regional breeding program for the Australian Sea-Lion, an endangered species that is declining in the wild.

On this episode, vets and keepers work together as they attempt a procedure that is rarely done at Taronga, putting three chimpanzees on the hospital operating table on the same day; Taronga staff teach a badly injured owl how to fly again.

As the largest bushfires on record devastate the country, Taronga Zoo vets take the battle to save Australian Native Wildlife to the frontline.

Taronga attempts to create history by successfully exporting two platypuses to America; Taronga staff treat a sick Funnel Web, the world's most venomous spider; Will keepers find any eggs in the nests of their little penguins?

A mysterious virus threatens to wipe out an entire species of snapping turtles; an injured Fiordland crested penguin arrives from Melbourne Zoo, but will it settle in and call Taronga home?

Vets have to perform emergency surgery on a Tree Goanna, after a member of the public brought it into the wildlife hospital with a particularly unusual injury.

Zoo staff embark on an ambitious, year-long undertaking, in an effort to help Naomi the chimpanzee, overcome a complicated medical condition.

After five years of planning and construction, and at a cost of over 60 million dollars, Taronga Zoo's African Savannah Precinct is finally finished, and ready for the first residents to move in.

Malakai the koala is injured just as he enters the zoo's breeding programme, a baby croc snaps up some yummy treats, and a lesser known Australian marsupial gets a second chance.

When tiger Kartika starts to act aggressively towards her cubs, zoo staff step in and plan a risky procedure to restore family peace. Meanwhile, Aldabra tortoise Lance puts two very patient keepers to the test as they try to weigh him.