Season 17 of the world's most explosive car show sees Jeremy Clarkson, Richard Hammond and James May re-invent public transport with a car-based train, smash down buildings using surplus military equipment and celebrate the 50th birthday of the Jaguar E-type. The Stig is let loose in some seriously hardware including the Aston Martin Virage, the McLaren MP4-12C and the Lamborghini Avantador.