Top Gear

Jeremy Clarkson gets chased by the British Army in some of their latest and most deadly toys. Meanwhile, Richard Hammond and James May compare the new Porsche Panamera against a small envelope, a 39p stamp and the logistical might of the Royal Mail in a race from one end of the British Isles to the other. Plus, Olympic gold medal-winning sprinter Usain Bolt is the Star in a Reasonably Priced Car.