Top Gear : Season 10 Episode 5 -

Navigating the River Thames in a high-powered Cougar motorboat .

Jeremy track-tested this incredibly fast, road-legal race car on the Top Gear Test Track . Top Gear : Season 10 Episode 5

Beyond the cross-city race, the episode included several high-octane tests and unique challenges: Navigating the River Thames in a high-powered Cougar

Riding a specialized Sirrus Limited carbon fiber bicycle . Top Gear : Season 10 Episode 5