The wait for Stranger Things Season 3 is finally almost over after well over a year of hiatus. A lot of plot details are still under wraps and may remain that way until 12:01 a.m. PT on July 4, but based on what we know from how Season 2 ended, pre-Season 3 interviews, official images, and the two trailers, here's everything we know so far about Stranger Things Season 3.