Everything you need to know before watching 'Stranger Things 4'

Good news, Stranger Things fans: The wait is almost over. Stranger Things Season 4 Volume 1 is upon us, and the anticipation is building faster than Eleven can demolish an Eggo waffle. SEE ALSO: You can watch the first eight minutes of 'Stranger Things 4' right now It's been three years since the third season of Stranger Things, so it's completely understandable if you've forgotten some of the plot points or minor characters we've encountered along the way. Luckily, Netflix has put together a series of three video recaps (one for each season) that will get you up to speed in no time. Here's what you'll need to remember heading into Season 4.Stranger Things: Season 1 - everything you need to know Key things to remember: The disappearance of Will Byers, the death of Barb, Eleven's escape from Hawkins National Laboratory, and Joyce's ingenious way of talking to Will through Christmas lights.Stranger Things: Season 2 - everything you need to know Key things to remember: The Mind Flayer's possession of Will, the arrival of Max and Billy in Hawkins, Eleven and Hopper's father-daughter relationship, the death of Joyce's boyfriend Bob, and Steve's development from pretty boy jerk to single mom/world's best babysitter. SEE ALSO: 5 big questions we had watching the 'Stranger Things 4' trailer Stranger Things: Season 3 - everything you need to know Key things to remember: The Mind Flayer's possession of Billy, the introduction of Robin the loss of Eleven's powers, Billy's sacrifice, and Joyce's decision to move her family to California. Oh, and Hopper died. But not really, he's alive and imprisoned in the Soviet Union.Bonus: The cast explains the plot And there you have it. Between the video recaps and the cast's efficient recap, you're good to go for Stranger Things Season 4. See you in the Upside Down! SEE ALSO: The escapism of 'Stranger Things' Season 4 just hits different in 2022 The first seven episodes of Stranger Things 4 hit Netflix May 27, and the last 2 hit Netflix July 1.