The host of 'Top Gear' aims higher. He recounts his childhood fascination with space travel, endures astronaut training and travels in a U-2 spy plane. Any big questions, though, go unexplored.
James May begins his new documentary, " James May on the Moon " (BBC America, 8 p.m. Tuesday), where he belongs: in a car, on the ground. He's a host of " Top Gear ," the cheeky British automobile variety show, and on that show, he passes for unambitious, the lumbering turtle up against Jeremy Clarkson's fox and Richard Hammond's rabbit.