Shawn Levy and the Duffer Brothers stick around to talk 1980s tech and teenage love triangles with Caleb McLaughlin, Gaten Matarazzo and Sadie Sink.

Joe Keery joins Shawn Levy, Gaten Matarazzo and the Duffer Brothers to shed light on Steve's evolution -- and the season's most surprising partnership.

Natalia Dyer, Charlie Heaton, Joe Keery and Brett Gelman dissect a major new development, with insight from David Harbour and Shannon Purser.

Caleb McLaughlin, Gaten Matarazzo, Noah Schnapp and Randy Havens discuss Mr. Clarke's influence. "Science Guy" Bill Nye and Sean Astin weigh in.

Sadie Sink, Brett Gelman, Dacre Montgomery and Linnea Berthelsen share their experiences creating new characters on a show with a huge fan following.

Jim Rash steers the cast and crew through a deep-dive discussion of the season's conclusion and what it means for the future of Hawkins.

Dr. Brenner holds Hopper and Joyce for questioning while the boys wait with Eleven in the gym. Back at Will's, Nancy and Jonathan prepare for battle.

You think you know the 80’s. But then an archival newsreel from 5 WIYZ Hawkins, Indiana is uncovered and you question everything. Like why is Brenda Wood’s hair so totally amazing? Or, whatever happened to that girl Barbara Holland? Just how many Eggos did Eleven eat? The world needs to know!

A concert in the upside down featuring The Go-Go's, Corey Hart, Soft Cell, and Charli XCX

Gather 'round the fireplace in Hawkins, where the flames crackle, the alphabet glows — and the holidays get turned Upside Down.

Step inside the moment young Will runs for his life and see how the cast and crew returned to 1983 to create this terrifying scene.

STAY. AWAY. FROM. HER. DAUGHTER. Go behind the scenes to see how this epic Karen Wheeler moment came to life.

How to win a battle when Eleven can’t save the day? The cast and crew break down the billboard scene from Episode 3.

The MAC-Z battle is one of the most complicated sequences in Stranger Things history. Hear from the cast and crew how they made it happen.

GET OUT. GET OUT! Go behind the scenes as the cast and crew dissect the “turning point” in the party’s battle against Vecna.

It’s life or death. Go behind the scenes of the explosive demodog battle at Hawkins Memorial Hospital.

WE DON’T NEED A MAGIC BEAN! The cast and crew break down the making of the final battle plan.

Every party member plays a part. The cast and crew break down every detail that went into the final battle of Stranger Things.

“Nothing in Hawkins feels normal.” Get an exclusive behind-the-scenes deep dive of “Chapter One: The Crawl.”

“Finally, the demogorgon does come to the Wheeler house.” Get an exclusive behind the scenes deep dive of “Chapter Two: The Vanishing of Holly Wheeler.”

“We love setting traps for monsters.” Get an exclusive behind-the-scenes deep dive of “Chapter Three: Turnbow Trap.”

“You really just want to see him fight back.” Get an exclusive behind-the-scenes deep dive of “Chapter Four: Sorcerer.”

“You get some really fearless performing. Which happened with Noah.” Get an exclusive behind-the-scenes deep dive of “Chapter Five: Shock Jock.”

“This episode is unique because it’s going from the very beginning.” Get an exclusive behind-the-scenes deep dive of “Chapter Six: Escape from Camazotz.”

“It is this pivot point towards the endgame.” Get an exclusive behind-the-scenes deep dive of “Chapter Seven: The Bridge.”

An inside look at the years of effort and craft that went into the final installment of the Duffer Brothers' generation-defining series.

“It’s Vecna or us. And we’re not gonna stop until we have saved the world.” Get an exclusive behind the scenes deep dive of Chapter Eight: The Rightside Up.