Most of you will probably have seen this clip already, but if not, you really are in for a treat - so I'm putting it here on general principles.

Enjoy!

Buffy/Twilight crossover vid this way...

And when I say a crossover is odd, you know that it's really odd.
From tree_and_leaf: In which Noggin the Nog meets Spike the Vampire

Against all the odds, it works.