John tests his nerves with a death-defying abseil in the stunning Blue Mountains, gets hands-on with the most dangerous snakes on the planet, and finds out about the surprising bedtime habits of the most Australian animal of all: the koala.

Pedalling through the heat and rain, John takes on a gruelling military fitness test, rides motorbikes with Vietnam veterans, and gets completely caked in mud while working on a banana farm. As the trip reaches its conclusion John takes in the breathtaking natural beauty of both the Great Barrier Reef, and the Daintree Rainforest, before ending his incredible journey with a surprising personal twist.