The Top Gear hosts duke it out to determine which decade was the best for cars. A series of ridiculous tests culminates in a showdown at the Melbourne Grand Prix. Meanwhile, JLP heads to L.A. to explore its amazing car culture.

To better understand farming machinery, the hosts become farmers for a day. JLP and the Stig test out a Ford Mustang Dark Horse, and cricket legend Mitchell Johnson goes for a fast lap in Star in a Reasonably Priced Sports Car.