The whole thing was ill conceived and cobbled together without any decent ideas, and the scripting has got way out of control.
The decent specials were the USA one, the vietnam one and the South American one, particularly the last of those.
It all went wrong when they managed to pick reliable decent cars, and saddled themselves with that ‘trade mission’ bollox. Doing half a roadtrip on motorail wasn’t exactly the best plan either. It was riddled with contrivance, the jokes were obvious a mile off, and tbh, none of the three looked like they actually wanted to be doing it.
They should have done a lot more in the Himalayas,and bought crappy local cars.