Klaus’s relationship with death proves more complicated than anyone knew. Viktor finally learns what happened to the Umbrellas’ mothers.

Luther and Sloane hatch a plan to end the war between the families. Viktor reconnects with someone from the past. Five has an unsettling encounter.

As people start disappearing in waves, Five and Lila reluctantly team up to solve their time-travel problem. Klaus sees a new side of his father.

With their Number One missing, the Sparrows take a hostage. Allison makes a painful discovery. Klaus takes Five on an eye-opening road trip.

After averting a doomsday in Dallas, the Umbrella siblings return to a very different Academy — now ruled by the powerful and hostile Sparrows.

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

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

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.

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

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.

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.

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.

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.

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