In a search for the fastest way to cross London in peak hour from Kew Bridge to the London City Airport, The Stig takes public transport, Richard rides a bike, James drives a Mercedes-Benz GL500 and Jeremy drives a powerboat on the river Thames.
Simon Cowell tries to reclaim top spot when he returns as the Star In A Reasonably Priced Car. Richard drives the Aston Martin V8 Vantage against a German on rocket-powered skates in a half-mile drag race. Jeremy road tests the Caparo T1.
—Allister Coots