The internet has changed the way we watch movies along with everything else. Hidden details and connections in movies that would have taken decades to find can now be found in hours. A whole cottage industry has sprung up, mostly on YouTube, of analyzing the deeper intentions and themes at play in a way that would have been confined to the highest levels of academia and criticism before. And, of course, with people looking this closely, they can catch mistakes better. Errors that would have passed unnoticed can now become so well-known that they turn into memes.

Of course, not every movie rewards this kind of deep analysis, and not everything turns up secrets when probed in this way. Here are some movie details that you probably haven't heard before, but in every case, there's a very good reason for it.