Obviously, don’t read any further if you want to avoid even potential spoilers.
Have a look at the IMDB page for Saturday’s Doctor Who midseason finale “A Good Man Goes to War,” and this is what you see:
Could David Tennant and Peter Davison be appearing in “A Good Man”? Of course they could. This is Doctor Who — anything can happen. It wouldn’t even be unprecedented:
What could it all be about, though? Let the wild and unsubstantianted speculation begin!
This I doubt, however: Ezekiel Wigglesworth? That’s never real. They’re making that up. That dude was totally in Harry’s double Potions glass, I’m pretty sure.
(Thanks to Mark and Keith for the heads-up. If you stumble across a cool Doctor Who thing, feel free to email me with a link.)
