Stranger Things season 2: What is the monster?

The Stranger Things season 2 teaser is out and it revealed the new monster we'll see later this year. But what in the world was that thing?!

The Visual Effects Behind Stranger Things' Monster

Stranger Things' Season 4 theory: The Demogorgon is this beloved character

Stranger Things beastiary: Guide to all the series monsters (so far)

Stranger Things 2' Will Feature 'Shadow Monster

Photos from Stranger Things Monsters: Ranked

Photos from Stranger Things Monsters: Ranked

Stranger Things 2 recap: Season 2, Episode 4

All the Monsters in 'Stranger Things

The Shadow Monster of Stranger Things 2: Mind Flayer or Aboleth?

The Mind Flayer, Stranger Things Wiki

Why I Rooted For the Monsters In Stranger Things

Stranger Things theory uses Dungeons & Dragons to predict an even bigger villain in season 5