Ray Mears journeys to the Great Barrier Reef, where he encounters a humpback whale calf.

Ray Mears explores Arnhem Land, a vast wilderness in the north east of the continent.

In Victoria, Ray tracks down two Australian icons - the kangaroo and koala.

Ray Mears goes in search of the cassowary and the improbable tree kangaroo.

Ray takes to the seas in search of unique species like the weedy sea dragon, dolphins, penguins, and Australian fur seals.

Ray flies past the red rock mass of Uluru in a helicopter, camps under the stars and meets a variety of marsupials.