It's really cool to know that you've put something together that isn't for a particular audience. It's so often that a TV show can really only speak to one sect of the population, and this really is something that appeals to a worldwide fan base. People who are into the pursuit of knowledge. Their reaction has meant the world to us.

Ron Howard is as good a person as you could want to work with on film. He never lost his cool. He's the most easygoing, lovely man, but he's got this enormous intelligence and a wonderful humanity.