Top 20 Things You Missed in Stranger Things Season 4 Part 1 and Part 2

"Stranger Things" has finally returned so we're going over all the things you may have missed in Season 4, Part 1 and 2! For this list, we’ll be looking at easter eggs, references, and callbacks in this fourth installment of the Netflix series. Our countdown includes the historical significance behind the Hellfire Club, Billy Hargrove's headstone, various Michael Myers references, and more! Did you catch any of these? Let us know in the comments.