A new documentary about the making of "Stranger Things" Season 5 includes some surprising behind-the-scenes revelations.

In the beginning, Stranger Things was the story of a group of kids in a small, rural Indiana town in the '80s who find themselves thrust into an adventure not unlike their beloved game of D&D.

After nearly a decade, Stranger Things is at an end. Over the course of five seasons we got to know a beloved cast of ...