If we weren't already dying with anticipation over what looks to be the most dramatic Harry Potter film yet, a new teaser clip and behind-the-scenes video of The Deathly Hallows is whetting our appetite even more!

"The stakes are a lot higher in this film than they probably ever were before," Daniel Radcliffe says after an exceedingly dark clip of the film plays.

But it's not all dark and despairing -- remember that clip of Radcliffe in a bra? Well, he explains that scene in the clip above!