Secrets of the Zoo: Down Under Season 2: Episode Guide & Ratings

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

Taronga Zoo's new African Savannah Precinct welcomes its residents.

Two squirrel monkeys arrive in Taronga with a clear goal - to mate with as many females as possible; unfortunately, it all ends with a broken jaw and a visit to the hospital; Keeper Jordan talks about his special bond with a cheetah.

Injured koala Malakai enters the zoo's breeding program; a baby crocodile enjoys some treats; a lesser-known Australian marsupial gets a second chance.

A lemur's sunbathing leads to concerns about his health. A baby hippopotamus is born at the Western Plains Zoo in Dubbo.

The worldwide pandemic halts inter-zoo transfers, leaving Taronga with too many Sumatran tigers. An injured seal arrives at the wildlife hospital.

Nala, the Australian sea lion, gives birth to a healthy pup! The zoo prepares to welcome zebras to the African Savanna exhibit.

After years away, the king of the jungle returns to Sydney Harbor. And Taronga's Wildlife Hospital treats injured green sea turtles.

Koalas, lions, siamangs, and others compete for the most boisterous bellow.

Taronga Zoo's rehab teams bring injured wildlife back from the brink.

The red kangaroo alpha male Malu has trouble eating and gets help from the mobile hospital team; the expected shipment of baby animals arrives.

Taronga Zoo's keepers care for some of the cutest critters in the park.

Vets use different methods to find out if two of Taronga rhinoceros are pregnant.

Taronga Zoo's weird and wonderful creatures get the care they deserve.

Taronga Zoo staff work to save the Tasmanian devil from a deadly disease.

Taronga Zoo's animals travel to, from, and around the world-class facility.

A celebration of the unsung heroes of Taronga Zoo: insects.

Veterinarians at Taronga Zoo's wildlife hospitals work to cure their furry friends.

Pairing endangered parrots for breeding is more complicated than it seems.

Vets race to nurse a malnourished platypus back to health.

Keepers show off Taronga's terrific turtles.