Doctor Who: A Christmas Carol (2010)
Easily my favorite of the Doctor Who Christmas specials, this episode from 2010 kicks off the second season with Matt Smith, the eleventh Doctor. This starts in the future on a distant world that's essentially a steampunk version of Victorian London. Only in space with flying sharks. Oh, and of course it's Christmas. Well, more accurately it's the winter solstice, but the opening monologue states the obvious: they're the same thing, anyway. One of the things that makes this work as well as it does is that it really doesn't give you time to stop and question its logic. That's probably a good thing, because the premise is more than a little haphazard. For example, Amy and Rory are honeymooning on a space cruiser that's about to crash into the planet of street urchins and fish-clouds, and the Doctor is unable to save them with the TARDIS. It's not remotely clear why this is beyond his capabilities (I think there might have been some BS tech-babble exp