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.

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

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

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