There's a ton of mysteries piling up between four seasons of Stranger Things. The Netflix drama has fans eagerly awaiting the next season, but fans are still speculating about the terrifying what-ifs that could happen. These Stranger Things fan theories focused on the kids may help fans delve deeper into the Upside Down.
There's still too little evidence to know exactly what the Mind Flayer is, or how it connects to Will and Eleven. Take a look and show some love for Stranger Things by voting up your favorite fan theories below!