S2 E8 — The Mind Flayer

MADMAX

As the town preps for Halloween, a new player arrives. Meanwhile, a suspicious incident sets Hopper on edge.

Trick or Treat, Freak

After Will sees something terrible on trick-or-treat night, Mike wonders about the fate of Eleven.

The Pollywog

Dustin adopts a strange new pet, and Eleven grows frustrated over Mike. A familiar face returns to Hawkins.

Will the Wise

An ailing Will opens up to Joyce about his visions from the Upside Down. While the description of a new threat looms.

Dig Dug

Nancy and Jonathan swap conspiracy theories with a journalist. Eleven unearths a startling connection.

The Spy

Will's connection to a shadowy realm grows stronger, but nobody is sure how to help him.

The Lost Sister

Eleven goes on a journey to find her mother and meets Eight, another kid from Hawkins lab with a grudge.

The Gate

Eleven returns to help close the gate, while the group fights to save Will from the Shadow Monster.