Jeremy Clarkson, Richard Hammond and James May decide to buy second-hand lorries despite knowing almost nothing about the world of trucks, and then set about discovering how easy it is to be an HGV driver. Jeremy is also on the test track with a scary Porsche 911, a tame Lamborghini Gallardo and a surprisingly talented Labrador. And chat show legend Michael Parkinson is the Star In A Reasonably Priced Car.