Thanks to the new Stranger Things documentary, Stranger Things: One Last Adventure, we learned why there were no demogorgons present in the Stranger Things finale.

With Netflix's Stranger Things now over and done, let's take a look back at the Upside Down's most terrifying monsters. Here they are, ranked.

Add Yahoo as a preferred source to see more of our stories on Google. The latest Stranger Things season has made a splash, and the series (which has spanned nearly a decade) will finally wrap with an ...