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...