look what i found Spoiler [video=youtube;88e5vGPTVgg]http://www.youtube.com/watch?v=88e5vGPTVgg[/video]
Old. Not old. But less than new enough that it's probably been seen by most of the Whovian population.
I saw it back in May. Still, if you're a fairly new Whovian, then there's no shame in having just seen it.