Warner Bros. has announced that every film in the Harry Potter series will return to the big screen.

All eight movies will be shown in IMAX theaters for a one-week run starting on Oct. 13.  The studio is re-releasing the films to build excitement for "Fantastic Beasts and Where to Find Them," which is a prequel to the Potter series. (See a preview below)

Counting books, dvds, rentals and box office totals -  the Harry Potter franchise has earned close to twenty-five billion dollars.

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