Episode 4 (S20E04)

In this episode, Jeremy Clarkson, Richard Hammond, and James May embark on a mission to aid communities affected by flooding in Britain by constructing a vehicle that transforms into a hovercraft. Despite a rocky beginning, the trio showcases the ingenuity of their invention during a thrilling ride along the River Avon. Additionally, Jeremy takes to the racetrack in the outrageous Mercedes SLS Black and the powerful 739 horsepower SLS Electric, while Hollywood actor Hugh Jackman takes a turn as the guest in the Reasonably Priced Car.