Crikey! It's the Irwins

After months of training, Robert ventures solo to feed the zoo's most notorious crocodile. Meanwhile, Bindi struggles to keep koala twins alive after the mother gives birth.

Terri sedates Hunter, the blind Sumatran tiger, for his annual eye check. Meanwhile, the zoo keepers prepare Scarlett, the young giraffe for her journey to South Australia to reunite with her family.

The family releases an endangered sea turtle back into the wild, using Croc One. After a long road trip, Scarlett the giraffe is united with her grandmother. Meanwhile, the zoo's wildlife hospital discharges an exotic echidna.

Robert wrangles Utah, a highly venomous 12-foot king cobra. Dr. Amber visits Tandora to care for wild koalas. Back at the Zoo, an old injury flares up for Bruce the Brolga, a bird who's been in the Irwins' care for 26 years.

The Zoo's alligator snapping turtles need a health check and Robert must protect the keepers and vets from their bites. Terri and Bindi welcome seven new lemurs. The rescue unit is called to save possums caught in a chimney.

The Irwins travel to South Africa's Balule Nature Reserve. Terri helps with the release of a wild leopard, Bindi meets an all-female anti-poaching squad and Robert attempts to photograph Africa's "Big Five."

It's all hands on deck in the Mammal Department -- Rosie the Giraffe is ready to give birth! Robert has a bloody encounter with a wild python that's entered an enclosure; Terri helps the keepers wrangle Chief the Tasmanian devil.

Bindi and the keepers prepare Sophie the baby giraffe for her first steps and Robert helps to hand-raise Melman the joey. Meanwhile, Terri oversees a health check for one of the zoo's favorite animals, Ravi the red panda.

At the zoo, Terri welcomes a new cheetah cub arriving from South Africa. Meanwhile, Robert saves a stranded platypus and Bindi is introduced to a koala joey as he emerges from his mother's pouch for the first time.

Wes and Robert remove eggs from two of Australia Zoo's most volatile crocodiles. Then, Bindi nervously tends to the training of two Asian small-clawed otters and Terri makes a zoo volunteer's dream come true.

Robert travels to Australia's Great Barrier Reef to help conduct research on manta rays. A team of professionals race to save a baby wallaby struggling to survive and Bindi spends time with Archie the dingo.

Terri checks on Charlie the tiger to see if his tumors were successfully treated. Bindi helps a team develop a vaccine for Eden the Tasmanian devil and Robert discovers the true genders of the Zoo's shingleback lizards.

Love is in the air at Australia Zoo! Terri helps determine if Caballe the rhino is pregnant, while Robert matchmakes with Coconut and Goliath, the Zoo's Aldabra giant tortoises. Bindi meets some newborn lemur twins, and Cleo the python gets help shedding.

The family visits the Steve Irwin Wildlife Reserve to capture, study and release wild crocodiles. They continue the mission started by Steve and Terri, providing scientific research vital to the protection of the apex predators.