Now that "Stranger Things" has wrapped up its five-season run, Netflix is giving us a peek at how they created the Upside Down. "One Last Adventure: The Making of Stranger Things 5" will premiere ...

Netflix has set the premiere date and released a trailer for its previously unannounced documentary that followed the making of the final season of “Stranger Things,” directed by Martina Radwan. “One ...

From left: Joe Keery, Natalia Dyer, Charlie Heaton, Maya Hawke, Finn Wolfhard, Winona Ryder, Noah Schnapp, Gaten Matarazzo and Caleb McLaughlin in 'Stranger Things 5' Courtesy of Netflix EXCLUSIVE: ...

Forbes contributors publish independent expert analyses and insights. Monica is an entertainment reporter covering TV, film, and music. Warning: Spoilers ahead for the Stranger Things Season 5 finale.

Add Yahoo as a preferred source to see more of our stories on Google. Now that "Stranger Things" has wrapped up its five-season run, Netflix is giving us a peek at how they created the Upside Down.