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 spends time with his boyhood hero as he attends the world premiere of The Theory of Everything, the movie made about his life, and then at Professor Hawking's home and place of work in Cambridge.

Dara Ó Briain Meets Stephen Hawking

A newly-shot one-hour interview ‘Peter Davison In Conversation with Matthew Sweet

Peter Davison in Conversation

Designer and engineer Zoe Laughlin explores the world of material science, uncovering the innovations in manufacturing that are set to change the world we live in.

The Secret Story of Stuff: Materials of the Modern Age

Colin Baker is back on trial! Can he walk free before the release of Doctor Who: The Collection Season 23??

Doctor Who: The Trial

Matthew Sweet chats to companion Bonnie Langford