RECAP: CATCH UP ON THE PAST THREE SEASONS BEFORE STRANGER THINGS 4 VOLUME 1 PREMIERES!

It’s been six months since the Battle of Starcourt, which brought terror and destruction to Hawkins. Struggling with the aftermath, our group of friends are separated for the first time – and navigating the complexities of high school hasn't made things any easier. In this most vulnerable time, a new and horrifying supernatural threat surfaces, presenting a gruesome mystery that, if solved, might finally put an end to the horrors of the Upside Down.

It's almost here. Catch up on the past three seasons before Stranger Things 4 Volume 1 premieres THIS FRIDAY.

Season 1: Stranger Things is set in 1983 Indiana, where a young boy vanishes into thin air. As friends, family and local police search for answers, they are drawn into an extraordinary mystery involving top-secret government experiments, terrifying supernatural forces and one very strange little girl.

Watch & Link to Season 1 Recap

Season 2: It’s 1984 and the citizens of Hawkins, Indiana are still reeling from the horrors of the Demogorgon and the secrets of Hawkins Lab. Will Byers has been rescued from the Upside Down, but a bigger, more sinister entity still threatens those who survived.

Watch & Link to Season 2 Recap

Season 3: It’s 1985 in Hawkins, Indiana, and summer’s heating up. School's out, there’s a brand new mall in town, and romance is blossoming. But new dangers loom. Evil doesn’t end, it evolves — and one summer can change everything.

Watch & Link to Season 3 Recap

ABOUT THE SERIES | Created by The Duffer Brothers

STRANGER THINGS is produced by Monkey Massacre Productions & 21 Laps Entertainment with The Duffer Brothers serving as executive producers, alongside Shawn Levy and Dan Cohen of 21 Laps Entertainment, Iain Paterson, and Curtis Gwinn.

Starring: Winona Ryder (Joyce Byers), David Harbour (Jim Hopper), Millie Bobby Brown (Eleven), Finn Wolfhard (Mike Wheeler), Gaten Matarazzo (Dustin Henderson), Caleb McLaughlin (Lucas Sinclair), Noah Schnapp (Will Byers), Sadie Sink (Max Mayfield), Natalia Dyer (Nancy Wheeler), Charlie Heaton (Jonathan Byers), Joe Keery (Steve Harrington), Maya Hawke (Robin Buckley), Priah Ferguson (Erica Sinclair), Brett Gelman (Murray), Cara Buono (Karen Wheeler) with Matthew Modine (Dr. Brenner) and Paul Reiser (Dr. Owens)

Additional Cast Members: Jamie Campbell Bower (Peter Ballard), Joseph Quinn (Eddie Munson), Eduardo Franco (Argyle), Sherman Augustus (Lt. Colonel Sullivan), Mason Dye (Jason Carver), Nikola Djuricko (Yuri), Tom Wlaschiha (Dmitri), Myles Truitt (Patrick), Regina Ting Chen (Ms. Kelly), Grace Van Dien (Chrissy),Logan Riley Bruner (Fred Benson), Logan Allen (Jake), Elodie Grace Orkin (Angela), John Reynolds (Officer Callahan), Rob Morgan (Chief Powell), Amybeth McNulty (Vickie) and Robert Englund (Victor Creel)

Directors: The Duffer Brothers (401, 402, 407, 408, 409), Shawn Levy (403, 404), Nimród Antal (405, 406)

Writers: The Duffer Brothers (401, 402, 407, 408, 409), Caitlin Schneiderhan (403), Paul Dichter (404), Kate Trefry (405), Curtis Gwinn (406)

Release Date: May 27 (Volume One) and July 1 (Volume Two)