Because, really, who wouldn’t want some hints about one of the most massive mysteries in Doctor Who history?
First off, the TARDIS looks in rough shape.
Given the hints about the plot, we can guess that these might be Dalek ships.
Or not. We don't know. But there are a lot of them.
There's an alien city! Gallifrey?
John Hurt appears after a voice over from Smith saying "There's one life I've tried very hard to forget."
