It's the summer of 1985 as far as "Stranger Things 3" is concerned, and the kids of Hawkins, Ind. are in their teenage prime, which means they've got some killer style cues going on. Of course, being trendy isn't everything to the likes of Mike and Eleven -- they've got a town to save from the grips of the Upside Down! Would you have been able to help them back then? Check off how many trends from the '80s you were hip to and we'll see if the demogorgons would have gotten the best of you.