Chandler must handle a koala crisis, while Terri lends a hand to care for an influx of puggles. Meanwhile, a turtle called Billy undergoes critical surgery, and Bindi recruits Chandler and Robert to bake a special wombat birthday surprise.

Robert races to safety when a croc called Casper attacks during a feed. Meanwhile, tragedy strikes after urgent repairs begin on the Rainforest Aviary, and Bindi hand-raises a possum joey called Bonnie. Later, baby Grace receives a surprise honor.