It's certainly satisfying to get the answers about the Upside Down that have evaded audiences for so long, but, in some ways, all of these explanations come with a new set of questions.

Season 5 of Stranger Things came back with its second batch of episodes that featured a major breakup, possible deaths — and Will opening up about his sexuality. The second part of the show's final season premiered on Thursday,

Though the second part of the show's fifth season is being released Christmas night, the series finale won't be available to fans until New Year's Eve.