James May travels to Florida to test the latest sports hybrid car, the Fisker Karma. During his review, he visits AC/DC front man Brian Johnson and instead ends up driving his 1928 Bentley Vanden Plas LeMans Tourer. Johnson and May creates an "old cars vs. new cars" drag race, which May wins by far.
Clarkson visits Arjeplog in Northern Sweden, where he pits the Ferrari FF against the Bentley Continental GT in a race on an ice replica of the Silverstone test track. The Stig arrives in a hovercraft to test both cars, and around the 'Icy Silverstone'.
The Star In A Reasonably Priced Car for tonight are Michael Fassbender.
The trio are given a challenge, in which they are asked to create their own off-road mobility scooter for rambling in the Welsh countryside. First out they test their scooters in Abergavenny town centre, which results in the three lads inducing some mayhem in various stores.The task ends with a race in the countryside against three wounded soldiers on their not-homebuilt mobility scooters. As usual, the Top Gear-team abandon eachother when encountering problems, and only Hammond finishing the race.