Season 1 • Episode 1

On his way home from a friend's house, young Will sees something terrifying. Nearby, a sinister secret lurks in the depths of a government lab.

Season 1 • Episode 2

Lucas, Mike and Dustin try to talk to the girl they found in the woods. Hopper questions an anxious Joyce about an unsettling phone call.

Season 1 • Episode 3

An increasingly concerned Nancy looks for Barb and finds out what Jonathan's been up to. Joyce is convinced Will is trying to talk to her.

Season 1 • Episode 4

Refusing to believe Will is dead, Joyce tries to connect with her son. The boys give Eleven a makeover. Nancy and Jonathan form an unlikely alliance.

Season 1 • Episode 5

Hopper breaks into the lab while Nancy and Jonathan confront the force that took Will. The boys ask Mr. Clarke how to travel to another dimension.

Season 1 • Episode 6

A frantic Jonathan looks for Nancy in the darkness, but Steve's looking for her, too. Hopper and Joyce uncover the truth about the lab's experiments.

Season 1 • Episode 7

Eleven struggles to reach Will, while Lucas warns that "the bad men are coming." Nancy and Jonathan show the police what Jonathan caught on camera.

Season 1 • Episode 8

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.

Season 2 • Episode 1

As the town preps for Halloween, a high-scoring rival shakes things up at the arcade, and a skeptical Hopper inspects a field of rotting pumpkins.

Season 2 • Episode 2

After Will sees something terrible on trick-or-treat night, Mike wonders whether Eleven's still out there. Nancy wrestles with the truth about Barb.

Season 2 • Episode 3

Dustin adopts a strange new pet, and Eleven grows increasingly impatient. A well-meaning Bob urges Will to stand up to his fears.

Season 2 • Episode 4

An ailing Will opens up to Joyce -- with disturbing results. While Hopper digs for the truth, Eleven unearths a surprising discovery.

Season 2 • Episode 5

Nancy and Jonathan swap conspiracy theories with a new ally as Eleven searches for someone from her past. “Bob the Brain” tackles a difficult problem.

Season 2 • Episode 6

Will's connection to a shadowy evil grows stronger, but no one's quite sure how to stop it. Elsewhere, Dustin and Steve forge an unlikely bond.

Season 2 • Episode 7

Psychic visions draw Eleven to a band of violent outcasts and an angry girl with a shadowy past.

Season 2 • Episode 8

An unlikely hero steps forward when a deadly development puts the Hawkins Lab on lockdown, trapping Will and several others inside.

Season 2 • Episode 9

Eleven makes plans to finish what she started while the survivors turn up the heat on the monstrous force that's holding Will hostage.

Season 3 • Episode 1

Summer brings new jobs and budding romance. But the mood shifts when Dustin's radio picks up a Russian broadcast, and Will senses something is wrong.

Season 3 • Episode 2

Nancy and Jonathan follow a lead, Steve and Robin sign on to a secret mission, and Max and Eleven go shopping. A rattled Billy has troubling visions.

Season 3 • Episode 3

With El and Max looking for Billy, Will declares a day without girls. Steve and Dustin go on a stakeout, and Joyce and Hopper return to Hawkins Lab.

Season 3 • Episode 4

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.

Season 3 • Episode 5

Strange surprises lurk inside an old farmhouse and deep beneath the Starcourt Mall. Meanwhile, the Mind Flayer is gathering strength.

Season 3 • Episode 6

Dr. Alexei reveals what the Russians have been building, and Eleven sees where Billy has been. Dustin and Erica stage a daring rescue.

Season 3 • Episode 7

With time running out -- and an assassin close behind -- Hopper's crew races back to Hawkins, where El and the kids are preparing for war.

Season 3 • Episode 8

Terror reigns in the food court when the Mind Flayer comes to collect. But down below, in the dark, the future of the world is at stake.

Season 4 • Episode 1

El is bullied at school. Joyce opens a mysterious package. A scrappy player shakes up D&D night.

Season 4 • Episode 2

A plane brings Mike to California — and a dead body brings Hawkins to a halt. Nancy goes looking for leads. A shaken Eddie tells the gang what he saw.

Season 4 • Episode 3

Murray and Joyce fly to Alaska, and El faces serious consequences. Robin and Nancy dig up dirt on Hawkins' demons. Dr. Owens delivers sobering news.

Season 4 • Episode 4

Max is in grave danger... and running out of time. A patient at Pennhurst asylum has visitors. Elsewhere, in Russia, Hopper is hard at work.

Season 4 • Episode 5

Owens takes El to Nevada, where she's forced to confront her past, while the Hawkins kids comb a crumbling house for clues. Vecna claims another victim.

Season 4 • Episode 6

Behind the Iron Curtain, a risky rescue mission gets underway. The California crew seeks help from a hacker. Steve takes one for the team.

Season 4 • Episode 7

As Hopper braces to battle a monster, Dustin dissects Vecna's motives — and decodes a message from beyond. El finds strength in a distant memory.

Season 4 • Episode 8

Nancy has sobering visions, and El passes an important test. Back in Hawkins, the gang gathers supplies and prepares for battle.

Season 4 • Episode 9

With selfless hearts and a clash of metal, heroes fight from every corner of the battlefield to save Hawkins — and the world itself.

Season 5 • Episode 1

November, 1987. The gang evades the military to scour the Upside Down for Vecna — but fails to notice a threat lurking closer to home.

Season 5 • Episode 2

After a vicious attack at the Wheeler home, Mike and Nancy confront the cost of secrecy, while El and Hopper embark on a rescue mission.

Season 5 • Episode 3

Will gains unique insight into Vecna's next move, giving the crew an opportunity to set a trap. Holly explores her new surroundings.

Season 5 • Episode 4

The military tightens its grip on the town. Mike, Lucas and Robin orchestrate a daring escape. El comes face-to-face with the enemy.

Season 5 • Episode 5

The gang hatches an electrifying plan to reconnect Will to the hive mind. Tensions flare during a search of the Upside Down's Hawkins Lab.

Season 5 • Episode 6

As Holly and Max fight to escape Vecna's mind, El must find a way into Will's. Joyce wrestles with guilt. Jonathan and Nancy face a turning point.

Season 5 • Episode 7

On the anniversary of Will's disappearance, the party reunites to prepare for a battle with world-altering implications.

Season 5 • Episode 8

As Vecna prepares to destroy the world as we know it, the party must put everything on the line to defeat him once and for all.