NBC has put up new video with Today Show host, Al Roker, visiting the set of The Dark Knight and talking to stars Christian Bale and Aaron Eckhart, as well as director Chris Nolan.

In his interview, Bale gives a summary of the film and discusses the appeal of the character of Batman. Eckhart offers an explanation for the fate of his character, Harvey Dent, and Chris Nolan gushes over working with the talented cast he has assembled.

The Dark Knight, directed by Christopher Nolan and starring Christian Bale, Heath Ledger, Morgan Freeman, Maggie Gylenhall, Aaron Eckhart, Gary Oldman and Michael Caine comes to theatres July 18, 2008.

CLICK HERE to watch the video.