Season 16 Episode 1 of 6New series. Jeremy Clarkson subjects the Skoda Yeti to a thorough examination, while Richard Hammond charts the evolution of the Porsche 911 by pitting the current Turbo cabriolet against its oldest relative - and the power of gravity. James May takes the Ariel Atom V8 for a spin on the test track, another celebrity gets behind the wheel of the Reasonably Priced Car, and the Cool Wall returns to start yet more arguments in the studio