Confined to the UK by Covid, Jeremy, Richard and James embark on a Lockdown Special to find out just why American 70s cars never took off in Britain. At the wheel of a Cadillac Coupe De Ville, a Lincoln Continental and a Buick Riviera in stunning Scottish surroundings, the three hosts undergo many mishaps and adventures before embarking on one of their toughest challenges yet.

Everyone's favourite trio are back and they're here to answer a very important question: What's going on with French cars? Join Clarkson, Hammond and May as they investigate the wonderfully weird world of French cars on their latest Grand Tour adventure.