You've seen these frightening creatures from the Demogorgon and Demodogs to the Mindflayer and Vecna himself, but how well do you really know their abilities? After you’re done watching, don’t miss the hilarious Season 1 bloopers—featuring a dancing Demogorgon!

It’s been six months since the Battle of Starcourt, which brought terror and destruction to Hawkins. Struggling in the aftermath, our group of friends are separated for the first time — and navigating the complexities of high school hasn’t made things any easier. In this most vulnerable time, a new and horrifying supernatural threat known as Vecna (Jamie Campbell Bower) surfaces, presenting a gruesome mystery that, if solved, might finally put an end to the horrors of the Upside Down.

Stranger Things Season 4 is streaming now, only on Netflix.