Ross Duffer, standing by his brother and fellowStranger ThingscreatorMatt, slips himself up.

“I can’t even actually call them kids,” Ross clarifies.

“They are like full-blown young adults now.”

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Eduardo Franco, Charlie Heaton, Millie Bobby Brown, Noah Schnapp, and Finn Wolfhard in ‘Stranger Things’.Netflix

“As those movies went on, the darker they went.

That’s kind of where we’re at now,” Wolfhard says.

“Inherently it becomes darker every season.

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Joyce (Winona Ryder) and Murray (Brett Gelman) in Netflix’s ‘Stranger Things’.Netflix

It gets funnier, it gets scarier, it gets more dramatic,” he adds.

“I think that just comes with all of us growing up and getting older.

Ross confirms the show’s horrors are getting progressively more intense as it reaches its conclusion.

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Joseph Quinn plays Eddie Munson, dungeon master of the Hawkins High Hellfire Club, in ‘Stranger Things’ season 4.Netflix

“Fast Times.Lord of the Flies,” Heaton adds.

Gelman also thinks of his Joyce-Murray arc as akin toStar Wars.

Hawkins, meanwhile, is always gonna Hawkins.

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Vecna, the new demo-creature, is revealed in the latest ‘Stranger Things’ season 4 trailer.Netflix

Everyone back in the hometown is splintered in some way.

“It’s good because [Mike’s] found his little calling at school.

He has something, finally.

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Robert Eglund as Victor Creel in ‘Stranger Things’ season 4.Netflix

I think there’s also an implied darkness to it that makes him feel pretty cool.”

That adds to the community’s fears when tragic events start to occur yet again.

Adding another level of chills and thrills isthe Creel House, the pseudo haunted mansion of the season.

Millie Bobby Brown on ‘Stranger Things’

Millie Bobby Brown on ‘Stranger Things’.Netflix

“The role that he plays is just really interesting.

I’m really excited to see it on the screen.”

That’s whyMatthew Modineis back as Dr. Martin Brenner, a.k.a.

Brown says those scenes at Hawkins Lab were very difficult for Eleven in season 1.

“This has definitely been the hardest season I’ve ever filmed.

Season 4 will become crucial to understanding what the Duffers have been doing with this show since the beginning.

It’s not just about learning more about Eleven’s backstory or learning about what Vecna is up to.

Brown, too, confirms, “It always leads back to the Upside Down.

You get answers.”

But that’s what he loves about the show.

“It is just constantly breathing and changing, like it’s its own monster.”

Stranger ThingsVolume 1 premieres on Netflix May 27, with Volume 2 set for July 1.