Each of director Christopher Nolan's Batman movies have been longer and more epic in scope, with Batman Begins clocking in at 140 minutes, and The Dark Knight spanning 152 minutes. It should come as no surprise then that The Dark Knight Rises is the longest movie in the trilogy, with a confirmed runtime of 164 minutes and 27 seconds.

We reported back in April that this franchise finale was given a PG-13 rating by the Motion Picture Association of America, although the runtime wasn't confirmed until now, by The British Board of Film Classification. We also reported in April that this new Gotham adventure starring Christian Bale will feature over one hour of footage shot in the IMAX format.

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We also have the official synopsis, which reveals nothing new, but instead expands on what we already know.

"Warner Bros. Pictures' and Legendary Pictures' The Dark Knight Rises is the epic conclusion to filmmaker Christopher Nolan's Batman trilogy.

It has been eight years since Batman vanished into the night, turning, in that instant, from hero to fugitive. Assuming the blame for the death of D.A. Harvey Dent, the Dark Knight sacrificed everything for what he and Commissioner Gordon both hoped was the greater good. For a time the lie worked, as criminal activity in Gotham City was crushed under the weight of the anti-crime Dent Act.

But everything will change with the arrival of a cunning cat burglar with a mysterious agenda. Far more dangerous, however, is the emergence of Bane, a masked terrorist whose ruthless plans for Gotham drive Bruce out of his self-imposed exile. But even if he dons the cape and cowl again, Batman may be no match for Bane."

Christopher Nolan directed from a screenplay he co-wrote with his brother, Jonathan Nolan, based on a story by David S. Goyer and Christopher Nolan. Now that we know the official runtime, only one more question remains: can The Dark Knight Rises break Marvel's The Avengers's opening weekend box office record? Check back in a few weeks to find out.