Steven Moffat has explained more about the long-standing mysteries that will be wrapped up at Christmas in The Time of the Doctor.

Moffat told SFX magazine: “It will be tying up various elements of the Eleventh Doctor’s story, some of which people have asked about before, some of which people haven’t bothered to ask about!”

He adds: “From [Matt Smith’s] first to his last episode, there will be elements. And it should be obvious they were fairly carefully planned.

“It’s not obstructive – if you didn’t remember any of that stuff or care about that stuff it would still be fine. If you’ve been sitting there saying, “Who blew up the TARDIS?” then you’ll get it.”