The guys are in Switzerland where they engage in a battle of the past, the present and the future. Ricky Wilson and David Hasselhoff star in the all-new Celebrity Face-off.

A race to Niagara Falls from Central Park NY. A new AMG is tested on the track.

Richard and James work out that the average motorist loses 36 days of their lives filling up with fuel. The pair vow to do something about it, using their skill and ingenuity to invent a system for filling up on the move.

The boys attempt to break the British water speed record for amphibious cars and the guests of the show are Dynamo and Penn and Teller.

The trio investigate the sportiness, utility and how good of a vehicle, three SUV's are. Clarkson also tests a Tesla Model X with a team of lawyers in the car. The guests of the show are Rory McIlroy and Paris Hilton.

The presenters are forced to work together to transport fish to impoverished communities in Mozambique's interior. The starting point is Mozambique's capital, Maputo, at the very southern end of the country.