1It was created by twin brothers Matt and Ross Duffer
NetflixThey made a movie, Hidden, and worked on M Night Shyamalan’s Wayward Pines before writing a script based on the premise, "What if Steven Spielberg directed a Stephen King book?"
2The show was originally called Montauk
NetflixIt took place on Long Island in 1980, but the Duffers had to change the show's location when they realised it would be too difficult to shoot there in winter.
Advertisement - Continue Reading Below
3The Montauk Project inspired the show
NetflixThe alleged government experiment took place in the early '80s and involved kidnapping kids from Long Island to experiment on them. You can read all about it here.
4The Duffers auditioned 906 boys and 307 girls for the children's roles
Netflix Advertisement - Continue Reading Below
5The now-iconic title sequence was inspired by motion graphics designer Richard Greenberg
NetflixHe designed the titles for films including Alien, Superman and The Goonies.
6The Upside Down's real name is the Nether
NetflixBut they got so used to calling it the "Upside Down" on set, it stuck, Millie Bobby Brown revealed in Beyond Stranger Things. The same thing happened with the Shadow Monster in Season 2; it's supposed to be called the Mind Flayer.
Advertisement - Continue Reading Below
7The Duffers cast Gaten Matarazzo after watching his first audition tape
Netflix"When you see someone like Gaten, and he pops the way he does, you’re just like, 'This kid, we’re putting him in the show, 100 percent'," Matt told the New York Times.
8Stephen King "found" Millie Bobby Brown
NetflixLong before the Duffers cast her as Eleven, King tweeted his love for Brown on the British show Intruders: "Millie Brown, the girl in Intruders, is terrific. Is it my imagination, or are child actors a lot better than they used to be?"
Advertisement - Continue Reading Below
9The Duffers convinced Winona Ryder to play Joyce during a four-and-a-half-hour meeting
Netflix"We actually talked very little about the show or the character of Joyce; we were mostly just getting to know each other," the Duffers told EW. Ryder joined the project the next day.
10Finn Wolfhard is a movie fanatic
NetflixHe'd already watched all the movies the Duffer Brothers had assigned for research, Ross told the NYT.
Advertisement - Continue Reading Below
11In the original script, the teens (Nancy, Jonathan and Steve) used the Christmas lights to find the monster
NetflixBut one of the writers pitched the idea of Joyce using them to communicate with Will. "Seeing Winona react with joy, then terror, then hope to a glowing ball of Christmas lights is now one of our favourite scenes from the show," the Duffers wrote in EW.
12David Harbour wanted Hopper to wear a hat in homage to Indiana Jones
Netflix"Early on, he even asked if we could have a giant boulder roll after him at one point in the show," the Duffers wrote in EW. "We're still not sure if he was joking or not."
Advertisement - Continue Reading Below
13Joyce's hairstyle was inspired by Meryl Streep in Silkwood
NetflixEllen Burstyn in Alice Doesn't Live Here Anymore and Marsha Mason in Max Dugan Returns and Audrey Rose influenced Winona Ryder's performance.
14It was Caleb McLaughlin’s idea for Lucas to wear a bandana in season 1
Netflix"Sometimes our kids have great ideas, and this is one of those times!" the Duffers told EW.
Advertisement - Continue Reading Below
15Steve was supposed to be "the biggest douchebag on the planet"
Netflix"A lot of credit goes to Joe Keery because he was much more likeable and charming than we originally had envisioned," Ross Duffer told Variety.
16Matthew Modine helped to create his character, Dr Brenner
NetflixDr Brenner was particularly hard for the Duffers to write because you see the character so little on the show. "He informed it, and I'm really happy with where we wound up with him at the end, with something that was discovered during the course of shooting," Matt Duffer told Empire.
Advertisement - Continue Reading Below
17Brown's performance was inspired by E. T.
Netflix "Matt and Ross were like, 'Basically you’re going to be an alien'," she told Indiewire.
18The Duffers used the fake body of Will to scare Noah Schnapp's mother
Netflix"We took Noah's mom aside, told her we had something to show her, and led her into a dark closet where we had propped up this frighteningly realistic corpse of her son," they write in EW. "She was startled at first, and we felt like maybe we crossed a line… But after the initial shock, she loved it."
Advertisement - Continue Reading Below
19Millie Bobby Brown once showed up to set covered in glitter
NetflixIt held up production for a half hour, the Duffer Brothers told EW.
20Production did, in fact, use 1,200 pounds of Epsom salts...
Netflix Advertisement - Continue Reading Below
Advertisement - Continue Reading Below
Advertisement - Continue Reading Below