Episode 4 (S12E04)

Jeremy, Richard, and James embark on a daring challenge to traverse from central Switzerland to the northwestern shores of England on a single tank of gas, with the victor earning the honor of illuminating Blackpool. Meanwhile, James puts the Pagani Zonda F Roadster through its paces, while the Stig takes the Bugatti Veyron for a spin to clock a record lap time. Additionally, Grand Designs host Harry Enfield makes an appearance as the Star in a Reasonably Priced Car.