James recaps on show 5, behind-the-scenes (series 17, episode 5)
Here's what happened in the show you just missed...
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Our resident Hamster takes the Porsche 918 Spyder for a spin in Dubai. It's quick. Very quick.Watch video >
After a bit more experimentation, Clarkson and May present their final film to the cycling experts.Watch video >
May takes to the track in three very different Caterhams: the certifiable 620R, the bare-bones 160R, and the Aeroseven Concept.Watch video >