More Dark Knight Behind-the-Scenes Clips has posted new behind-the-scenes footage from the ongoing production of The Dark Knight in Chicago. The following clips were taken last night into this morning. In these clips, you can see Heath Ledger dressed as The Joker preparing for a scene, and in the link after that, video of the scene being produced:

Video of The Joker

Scene being produced

Source: Superhero Hype!