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.

John surfs in Byron Bay, encounters saltwater crocs, goes cattle herding with the biggest beef baron in Australia and visits a Queensland rodeo.

John takes on a gruelling military fitness test, rides motorbikes with Vietnam veterans, gets completely caked in mud on a banana farm and takes in the breathtaking natural beauty of both the Great Barrier Reef and the Daintree Rainforest.