It's a thrilling time for Doctor Who fans: after a year's hiatus, the BBC's sci-fi extravaganza returns this weekend with the first of a trio of 60th anniversary specials. Even better, David Tennant is reprising his role as the Doctor, and he will be joined on screen by his old companion Donna Noble (Catherine Tate).
"It went from being a sort of opportunistic notion that we never really imagined would come to fruition at all, into something much more significant than that – and here we are," said Tennant about turning into the Doctor, 13 years after officially leaving the role the first time around. "I have to say, it felt very natural. I felt very at home, very quickly.
