'The Power of Three' Inside Look

Get the exclusive scoop on the all-new episode of 'Doctor Who,' 'The Power of Three,' featuring new interviews with Matt Smith, Karen Gillan and Arthur Darvill. 'What's great about it, is it's been so inverted, it's like the Doctor's become their weird son, and then sometime it's their moany Grandpa, and it allows so much interplay between us all, it's great, it's great fun,' says Matt.