Stranger Things (2016– )
54 user 14 critic

Chapter Four: The Sauna Test 

3:35 | Clip
A code red brings the gang back together to face a frighteningly familiar evil. Karen urges Nancy to keep digging, and Robin finds a useful map.


Shawn Levy


Matt Duffer (created by) (as The Duffer Brothers), Ross Duffer (created by) (as The Duffer Brothers) | 1 more credit »





Episode cast overview, first billed only:
Winona Ryder ... Joyce Byers
David Harbour ... Jim Hopper
Finn Wolfhard ... Mike Wheeler
Millie Bobby Brown ... Eleven
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
Dacre Montgomery ... Billy Hargrove
Maya Hawke ... Robin Buckley
Priah Ferguson ... Erica Sinclair
Cara Buono ... Karen Wheeler


El is talking to Max and tells that she is worried with Billy and Heather. Mrs. Driscoll is taken by the police to a hospital. The Mind Flayer attacks Tom and Janet in the empty factory and turns them into the Flayed. Hopper recovers at Joyce's house and they head to meet Kline to know the identity of the man that attacked him. Will senses The Mind Flayer and the group of teenagers reunites to discuss the problem without Dustin that is with Steve and Robin spying the Russians. They plot a plan to lock Billy inside the sauna to force the Mind Flayer to leave him. Nancy and Jonathan are fired from The Hawkins Post by Tom Holloway. Robin buys blueprints of the Starcourt Mall to find an access to the restricted rooms. Erica makes a deal with Robin, Steve and Dustin to open the door of the restricted room. Written by Claudio Carvalho, Rio de Janeiro, Brazil

Plot Summary | Add Synopsis


TV-14 | See all certifications »

Parents Guide:

View content advisory »






Release Date:

4 July 2019 (USA) See more »

Filming Locations:

Atlanta, Georgia, USA See more »

Company Credits

Show more on IMDbPro »

Technical Specs


Sound Mix:

Dolby Digital



Aspect Ratio:

2.00 : 1
See full technical specs »

Did You Know?


When Robin comes in with the blueprints to Starcourt Mall, she says, "It's fascinating what 20 bucks will get you at the country recorder's office. Starcourt Mall. The complete blueprints." This is an allusion to Sneakers (1992), in which River Phoenix says "It's fascinating what 50 bucks will get you at the county recorder's office. Playtronic's Corporate Headquarters. The complete blueprints." See more »


When Mrs. Wheeler hops onto the island in her kitchen (while talking with Nancy), the structure shakes wildly, revealing itself to be a set piece. See more »


Dustin Henderson: I'll fit. Trust me. No collar bones, remember?
Robin: Uh, excuse me?
Steve Harrington: Oh, he's, uh Yeah, he's got some disease. Chry, uh, It's chrydo, um... something. Yeah, I dunno. He's missing bones and stuff. He can bend like Gumbo.
Robin: You mean Gumby.
Steve Harrington: I'm pretty sure it's Gumbo.
See more »


References Sneakers (1992) See more »


We'll Meet Again
Written by Hugh Charles and Ross Parker
Performed by Vera Lynn
See more »

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User Reviews

Maybe the best episode of the entire series!
4 July 2019 | by Splarke22See all my reviews

Wow, S3E4 is an incredible episode that turns up the dial on what started out as a slow burner of a season. With bits and pieces of the main story arc fed to us in the first 3 episodes, everything comes together for an absolute thriller of a ride in this episode! The ending gave me absolute chills, can't wait to see what happens next!

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