There's more than one?
Well, I guess if you count by length, there's two...
[YT]http://www.youtube.com/watch?v=ctMKP0B7DGA[/YT]
[YT]http://www.youtube.com/watch?v=DuRUXR03CEg[/YT]
I've only seen the short version on TV, but had already watched the extended version online before that.