1.
First off, the TARDIS looks in rough shape.
2.
Given the hints about the plot, we can guess that these might be Dalek ships.
3.
There's an alien city! Gallifrey?
4.
John Hurt appears after a voice over from Smith saying "There's one life I've tried very hard to forget."
5.
THE DOCTORS. TOGETHER.
6.
The fez and Amy's glasses are back!
7.
BAD WOLF ROSE. I REPEAT: BAD WOLF ROSE.
8.
Daleks, because obviously.
9.
Clara futzes with something on her wrist and promptly disappears — a vortex manipulator, perhaps?
10.
JOHN HURT LOOKING AT A THING.
11.
Rose tells Hurt!Doctor "The Moment is coming."
12.
Hurt!Doctor responds "I'm ready."
13.
And finally, we get a shot of Ten (or is it TenToo?) in his old TARDIS.
"The Day of the Doctor" airs November 23.