Watch the first five minutes of The Dark Knight

It features a set of sinister men in clown masks who attempt to pull off an outrageous bank raid while snarling to themselves about a new criminal who's terrorising Gotham City: a make-up wearing weirdo who goes by the name of The Joker.

The quality is poor here but it's still well worth a look. And do it now, because the last time this footage hit the web, it was gone before you could say "Bruce Wayne".