Polar Challenge
7/8 The Top Gear team attempt to race from Northern Canada to the North Pole, 450 miles away.
Episode 6
6/8 The team build their own stretch limos out of the most improbable cars.
Episode 5
5/8 The team go rural as they harness a group of high-tech tractors and grow their own petrol.
Episode 4
4/8 The Stig tears up the track in an insanely-tuned Mercedes SL and Simon Pegg guests.
USA Special
3/8 An American special of the motoring magazine, featuring a fly-drive holiday to Florida.
Episode 2
2/8 The team gets thrown off a golf course in a riot of bad driving and appalling trousers.
Episode 1
1/8 Jeremy Clarkson, Richard Hammond and James May have a go at making petrol.