So — with that in mind — here are A WHOLE BUNCH MORE of the most spectacular, mind-blowing fan theories out there:
1. Morgan Freeman's character in Bruce Almighty (2003) is not God at all, but Satan.
2. Drax cannot see things that do not move, and realizing this about himself gives him the "invisibility" idea in Avengers: Infinity War (2018).
3. In Harry Potter and the Sorcerer's Stone (2001), if you want to get into Gryffindor, you have to specifically ask the Sorting Hat.
4. Michael Myers killed his sister because she and her boyfriend stole his mask in Halloween (1978).
5. The "I have the high ground" moment in Star Wars: Episode III – Revenge of the Sith (2005) is a lot deeper than it appears, and calls back to another iconic prequel moment.
6. Parasite (2019) and Snowpiercer (2013) take place in the same universe and "Namgoong" is the same person in both movies.
7. Also, Waterworld (1995) and the Mad Max films all take place in the same post-apocalypse universe.
8. None of the events in Evil Dead (2013) are supernatural. Instead, all of the characters are just high from spiked well water.
9. Doc Brown's mind-reading helmet in Back to the Future (1985) actually DID work.
10. The last scene in A Nightmare on Elm Street (1984) was Nancy’s mom’s dream/death, not Nancy's.
11. In the universe of Casper (1995), becoming a ghost is a form of punishment rather than purgatory.
12. James Bond orders his drinks "shaken, not stirred" in order to appear to be drinking more than he actually is, tricking his foes into a false sense of security.
13. And finally — "The Joker" isn't technically a person at all, but a toxin.
Which fan theory listed is YOUR favorite? Do you have a wild fan theory of your own? Share yours in the comments below! You can check out more fan theories in our previous posts — here and here — and be sure to check out r/FanTheories for even more fun!
Some fan theories were edited for length and/or clarity. H/T Reddit.