Tomorrow, Warner Bros. is releasing the ultimate collector's edition of "The Dark Knight" trilogy.

Ahead of its release, a clip of Christian Bale's original audition tape to play the Caped Crusader has hit the web. 

What's cool — other than seeing original test footage — is that Amy Adams can be seen performing the screen-test with him. 

Many often make fun of the voice that Batbale adopted in the trilogy. However, director Christopher Nolan briefly details in the clip that Bale's need for a different voice heavily influenced his casting.  

"I think Christian's voice was a part of the big impression he made in the test," says Nolan. "He had decided that Batman needed to have a different voice to Bruce Wayne … that he needed to put on a different voice." 

Also — Bonus points if you noticed that Bale is wearing what looks to be one of Val Kilmer's Batsuits that he wore in "Batman Forever." It's just spray-painted black.

Here's Batbale:

And, here's a look at the cowl:

Here's Kilmer. It's the second suit on the right.

Note: An earlier version of this story had a photo of George Clooney from "Batman & Robin." We regret the error.

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