Series 5 - Episode 3

Clarkson attempts a serious challenge for the Land Rover Discovery by seeing if it can make a tough climb up a mountain in Scotland. Meanwhile, there is a review of the Dodge Viper SRT10, Hammond searches for mad car designs with a specialist company in Switzerland, and the Top Gear 2004 survey results are in. Finally, Joanna Lumley is the latest star to do a lap in the Liana.