A documentary film for BBC One.

Since he was a teenager Dara O Briain has been fascinated with Professor Stephen Hawking, the world's most celebrated scientist. In this special film, Dara spent time with his boyhood hero as he attended the world premiere of the movie made about his life, The Theory of Everything, and then visited Stephen at his home and place of work in Cambridge.

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Dara O Briain Meets Stephen Hawking