It’s been 12 years since Christopher Nolan’s trilogy of Batman films ended, but fans keep coming back.

Excellent films (opinions may differ on the third one), a fantastic director, and a stellar cast all contribute to an enjoyable experience.

If you’ve seen the films enough to recite the scripts from memory, you’ll probably have a good sense of how they were made, but wouldn’t it be amazing to have everything in one spot, even items you’ve never seen before?

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You’re undoubtedly well-versed on the deleted sequences, the actors’ experiences, and can recall all of the references to the Batman comics.

If so, you’re in luck, because there’s a whole Warner Bros. documentary for Batman fans to enjoy, which digs into the film’s creation and includes exclusive interviews with Guillermo Del Toro and Zack Snyder about what the films signify.

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The full title is The Fire Rises: The Creation and Impact of the Dark Knight Trilogy, but that’s a mouthful, so you’ll understand why we don’t keep calling it that.

What you get is 76 minutes of absolutely fascinating behind-the-scenes looks at how they made Batman Begins, The Dark Knight, and The Dark Knight Rises.

There are snippets from some of Bruce Wayne’s auditions, including the performance that earned Christian Bale the role.

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You can learn about the concepts that were incorporated into the trilogy of films, which caused particular moments to linger with you, the audience.

Of course, you can see much of the evolution of Heath Ledger’s renowned portrayal as The Joker.

In the documentary, Nolan stated that he and Ledger ‘certainly saw eye to eye on the wider picture of who this man was gonna be’ while considering the part of The Joker.

The filmmaker added that they went through a number of inspirations before ‘Heath was ready to do it’, and he eventually won an Oscar for his role.

During his screen test for The Dark Knight, Ledger begged to be able to do his own makeup since that’s what The Joker would have done, and you’ve probably heard about the other things he did to fully get into character.

If that sounds wonderful, we have some extra great news for you: it’s completely free to watch.

Seriously, the entire movie is free to watch on YouTube here, and nothing short of a solid internet connection will prevent you from spending an hour and a half delving headfirst into how they created The Dark Knight Trilogy.