“Stranger Things” fans: a new production based around the hit Netflix series is heading to London’s West End — offering a look at the lives of the characters before they discovered the Upside Down.

Stranger Things: The First Shadow” is set in Hawkins, Indiana in 1959 — 24 years prior to the start of the first episode of “Stranger Things” in 1983. It begins with a young Jim Hopper who is unable to start his car, Bob Newby’s sister Patty isn’t taking his radio show seriously, and Joyce Maldonado is trying to graduate as fast as she can to get out of Hawkins. However, a new student, Henry Creel, arrives in town and his family sees that shadows of the past aren’t easy to escape.

Oscar Lloyd stars as Hopper, Bob and Patty Newby are played by Christopher Buckley and Ella Karuna Williams, and Isabella Pappas will fill the role of Maldonado. Additional casting includes Chase Brown as Lonnie Byers, Patrick Vaill as Dr. Brenner, and Louis McCartney as Henry Creel.

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The Sonia Freedmon-production is written by Kate Trefry, who wrote the play based on the original story, co-written by Ross and Matt Duffer and Jack Thorne. The Duffer brothers are serving as creative directors, with 21 Laps Entertainment as associate producers.

“You will meet endearing new characters, as well as very familiar ones, on a journey into the past that sets the groundwork for the future of Stranger Things,” the Duffer brothers said in a statement. “We’re dying to tell you more about the story but won’t – it’s more fun to discover it for yourself.”

Fans can catch the production at the Phoenix Theater, opening on December 14.

As for the Netflix series, the fifth season of  “Stranger Things” isn’t set to be released until 2025.