During the filming of Prisoner of Azkaban, when all the students were sleeping in the great hall, Alan Rickman (severus snape) and Michael Gambon (Albus Dumbledore) put a fart thing under Daniel Radcliffe's sleeping bag, so whenever he moved, it made a farting sound.
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Thank you @GalaxyCat101 for telling me this!
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Facts about Harry Potter that you didn't know
RandomIn this book you'll finds some facts about Harry Potter characters that you probably didn't know. Enjoy! Disclaimer: I own nothing
