This episode the crew re-traces the steps of David Norrish. In 1974, when northern Australia experienced a once-in-500-year weather event, and the river flow from such heavy rainfall caused Lake Eyre in South Australia to fill with water, Norrish packed a boat on the roof of his Kingswood and set off for a spot of outback sailing.

The first celebrity in this new season is Lisa McCune. Steve explains the changes they've made to the test track, and Shane Warne drops in for a high-speed blast in the Morgan Aero Supersports.

Cricketer Michael Clarke takes on the test track, Ewen stops city traffic in a V8 supercar, and the boys meet their match on New Zealand's most dangerous road.

Shane, Ewen and Steve have a budget Grey Nomad experience. Shane Warne drives the world's fastest supercar, and the celebrity guests are The Chaser's Andrew Hansen and Craig Reucassel.

People Movers vs SUVs Hulme Supercar Celebrity Challenge - Jimmy Barnes Porsche Cayenne Turbo vs BMW X5M V8 to the Rescue Commodore V8 Group A