Season 4

1. Chapter One: The Hellfire Club

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

2. Chapter Two: Vecna's Curse

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.

3. Chapter Three: The Monster and the Superhero

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.

4. Chapter Four: Dear Billy

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.

5. Chapter Five: The Nina Project

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.

6. Chapter Six: The Dive

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

7. Chapter Seven: The Massacre at Hawkins Lab

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.

8. Chapter Eight: Papa

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

9. Chapter Nine: The Piggyback

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