There are a lot of wild "Harry Potter" fan theories floating around online, but this one about Albus Dumbledore — played by Michael Gambon from the third film on — is particularly dark and fascinating ...

It's a heady thing when fan theories actually come true, isn't it? Whenever any intellectual property or franchise becomes hugely popular and its story is still ongoing, fans clamor to try and figure ...

Add Yahoo as a preferred source to see more of our stories on Google. Look. I know how this sounds. When people say "I have a wild Harry Potter theory," they usually suddenly pull out a corkboard and ...