Some fans think the Mind Flayer is 001. Eleven received her nickname from the tattoo on her arm reading 011. At first, no one was really sure what its significance was, ...

The Mind Flayer was never its own sentient being: It was a new physical manifestation of Henry himself. Henry and his Mind Flayer creation in the season four finale of "Stranger Things." ...

Mind Flayers also reproduce by implanting slugs in other creatures, and that seems to be pretty similar to the slugs Will has been puking up in the period between Season 1 and “Stranger Things 2.” ...

In Stranger Things Season 3, the Mind Flayer returns with an evil plan of revenge. Here's what the monster is doing with Billy, those rats, and those Russians.

The Duffers did an interview with THR, in which the facts about the Mind Flayer were laid out, with some intriguing teases for the already-confirmed, Stranger Things season 3. First is the ...

The Shadow Monster, also called the Mind Flayer, will still be stalking Hawkins on season three of Netflix's "Stranger Things." Business Insider Subscribe Newsletters ...

Stranger Things Season 3 is finally here and the Shadow Monster is back to terrorize those in Hawkins–wait, or is it the Mind Flayer? The ominous creature from the Upside Down–who introduced ...

To create the mind flayer effect, the “First Shadow” team had to do some construction on the theater. It’s by far the largest of the show’s more than 60 unique special effects, ...