Robert takes on the challenging task of relocating Bosco, the most aggressive croc at the zoo. Bindi must investigate Forest the giraffe's bad knee problem. Terri helps Harley the koala find love at the end of a difficult breeding season.

Robert gets in the water with Gloria, a 12-foot reticulated python, to swim alongside her for the first time in the Crocoseum. Bindi welcomes home two orphaned kangaroo joeys, while Terri helps release a rescued wedge-tailed eagle back into the wild.

Carrying three baby kangaroos and an emu, the Irwins caravan into the Australian Outback to release the animals on Mourachan, their giant wildlife conservation property. Plans shift when they discover more animals in need of rescue along the way.

It's moving day for Acco, the zoo's biggest crocodile. All goes to plan until his mate Cassie goes into hiding as the team races to reunite the bonded pair in their new enclosure. The rescue unit fights to save a flying fox entangled in barbed wire.

Terri returns to her hometown in Oregon to help Brady, a cougar in need of a vital health check. At the zoo, Robert is on a mission to rescue Oscar, a small bird with a big attitude, and Bindi bathes an echidna with bad skin allergies.

Bindi swims with Whale Sharks, assisting with research efforts on the worlds largest and least understood fish. Robert works to save an echidna that's tightly trapped under a fridge. Terri joins a close up exam on a Grizzly.

Robert and Indah, a Komodo dragon, participate in an exciting research experiment. Terri tries to save a koala joey with a zero percent chance of survival. Bindi visits friends at childhood favorite spot Oregon Coast Aquarium.

Robert feeds 44 hungry alligators, all at the same time. Terri helps examine Kaitlyn the tiger and makes a thrilling discovery, while Bindi follows the heartbreaking story of her old friend, Zambezi the zebra.

Robert and Terri take to the skies to release three rescued sea turtles near the Great Barrier Reef. Bindi anxiously awaits the birth of the zoo's first tiger cub in years. Richie helps a baby wallaby in his struggle for survival.

Robert wrangles Western Diamondback rattlesnakes in Arizona for the first time, learning techniques passed down by his dad. Terri helps save some of the hospital's tiniest patients: three baby feathertail gliders. Bindi chats with Occa the cockatoo.

As Bindi celebrates her 21st birthday, she gets a surprise proposal from her boyfriend, Chandler. Meanwhile, things get dangerous as Robert wrangles gators in thick mud. Terri helps with the momentous birth of a baby white rhino.

Bindi and Chandler prepare for the happiest day of their lives. Weeks before their wedding day, the coronavirus pandemic causes them to make difficult and drastic changes to the wedding of their dreams, but in the end love prevails.