Racers return to Australia, with team members heading into the clouds for a joyride before making noise at Perth's Bell Tower and getting a taste of virtual reality as they head to the Pit Stop.

In the nail-biting finale, which team will be first to meet Beau at the Pit Stop and claim the biggest prize in the program's history: $250,000 and a brand-new Isuzu D-MAX and Isuzu MU-X?