Watch Top Gear: Australian Road Trip for Free: How to Stream the Movie Online at 123Movies. . The presenters travel to Australia's Northern Territory for a road trip across the outback in three GT cars. On their trip they deal with crocodile infested rivers (again), camp in the outback, and race through an open-pit mine before the journey culminates with a task to herd some four-thousand cows in one of the world's largest farms.