The oil bath is said to be good for you, but you're not allowed to spend more than 10 minutes in it because crude oil is toxic.
Although it's four-wheel-drive, the Bentley runs in rear-wheel-drive only until its computers detect a loss of traction and even then, when in sport mode, it directs just 17% of its power to the front wheels. This is why it is so good at drifting.
Britain didn't give the world the Internet. The Internet started as ARPANet in the United States in 1969. However Britain did (sort of) give the world the World Wide Web, although it was created by a British scientist working in Switzerland.
The 'needing a wee' challenge was tested in The Grand Tour office by getting one of the producers to drink water and then waiting to see how long it took for him to almost wet himself.
The shifting border encountered by the presenters is a hangover from the Russo-Georgian war of 2008.