Stranger Things keeps fans on edge. Season 5 nears fast. A fresh theory stirs the pot. It dives deep into the Upside Down.

the Mind Flayer is just one of "a whole lotta new illusions" specifically engineered for this new theater run, co-director Justin Marks confirms. Related: Stranger Things Broadway play adds season ...

The Mind Flayer turned him into its deadliest weapon ... even sacrificing himself in the process. Read More: One 'Stranger Things' Moment Meant To Reveal Eleven’s Dark Side, but Fans Had ...

I definitely think the fifth season is much more satisfying if you make your way to the play — because it does complicate it.