We still don't have an official release date as of yet, but we know a little of what to expect from one of the biggest BD releases of the year. Blu-ray.com released a few details of what can be expected from The Dark Knight's impending Blu-ray release, which has not been officially announced as of yet.
The first disc of this two-disc BD set will contain the film, and "Gotham Discovered: The Creation of a Scene", in which director Christopher Nolan discusses various details involved in the film's planning and execution, including the stunt work, filming in IMAX and much more.
The second disc will include the following: "Batman Technology: Gadgets and Tools" documentary (in HD), "Batman Unmasked: The Psychology of the Dark Knight" documentary and "The World of Batman Seen Through Real Life Psychotherapy" documentary(in HD) along with six clips from the Gotham Cable Premier's newscast: "Tonight in Gotham", and art galleries on the Joker's letters, conceptual art, posters, production stills, trailers, and TV spots.
We'll surely keep you posted on all developments surrounding this release.