Ranulph Fiennes

It's the ultimate test of man against machine - or should that be dog against machine - as the Top Gear team set out on one of their most ambitious and arduous challenges ever. Jeremy Clarkson, James May and Richard Hammond take part in an epic land race starting in the town of Resolute, Northern Canada, finishing 450 miles later at the Magnetic North Pole.

Josh Gates explores the edges of our world and outer space as he talks to adventurer Ranulph Fiennes and NASA astronauts Bob Behnken and Doug Hurley. Josh takes on the urban jungle in a new way -- as a dog musher.

Richard takes the Mazda MX5, Toyota MR2 and Fiat Barchetta out for a spin to find the recipe for the perfect roadster. We find out if it is really possible to parachute into a moving car. Richard and James find out why the Isles of Harris in Scotland is the perfect location to test a selection of cabriolets. Jeremy goes skiing on a snowy public road behind the new Jaguar X Type Estate. The Stig takes the Mercedes CL65 onto the test track. And intrepid explorer Sir Ranulph Fiennes discovers A Reasonably Priced Car.