The Kratt Brothers, Chris (Chris Kratt) and Martin (Martin Kratt), are on a mission to explore the Australian outback and learn about the unique wildlife that inhabits it. Along the way, they meet their friend Aviva (Hailee Steinfeld) and Koki (Keke Palmer), who join them on their adventure. Together, they encounter a variety of amazing animals, including kangaroos, koalas, and wombats. But when they stumble upon a group of mischievous Tasmanian devils, they realize that they have a bigger challenge ahead of them. Can the Kratt Brothers, Aviva, and Koki use their knowledge and skills to outsmart the devils and save the day?