Charlie tells a group of trick or treaters two scary stories for Halloween: The Bears buy three dolls that look like them that come to life and try to murder them and Grizz accidentally bites Chloe who slowly transforms into a werebear.
The team is captured by an Unseen Force and enslaved in an elaborate underground facility, forced by their mysterious captors to perform a series of bizarre, dangerous tasks.
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.
An ailing Will opens up to Joyce -- with disturbing results. While Hopper digs for the truth, Eleven unearths a surprising discovery.
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.
Dustin adopts a strange new pet, and Eleven grows increasingly impatient. A well-meaning Bob urges Will to stand up to his fears.
Psychic visions draw Eleven to a band of violent outcasts and an angry girl with a shadowy past.
An unlikely hero steps forward when a deadly development puts the Hawkins Lab on lockdown, trapping Will and several others inside.
When the postman's truck gets stuck in the mud, the mail is stuck in a tree.
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.
These Deadly Women sacrificed their loved ones to satisfy their Love of Money.
Danny and Baez investigate the murder of a single mother whose ex-husband has a history of violence. Frank deals with the fallout when Mayor Dutton eliminates solitary confinement in prisons. Jamie’s efforts to save a young woman who overdosed on drugs has unexpected consequences.
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.
Todd interferes with son Hunter's wash-plant, pushing their relationship to a breaking point. Parker battles to maneuver a 150 foot super conveyor and Tony desperately needs dredge #1 to deliver gold but frozen ice may derail his plans.
It’s Halloween in Hyperion Heights and Victoria forces Ivy to take Lucy trick-or-treating. Meanwhile, Tilly appears to be waking up from the curse and is intent on leading Weaver to the truth – but not if Victoria can help it. In a flashback, Rumple and Belle seek the answer to a prophecy that could cement their happy ending.
The Diaz family celebrates the best, worst, funniest and most Diaz-y moments of the past year during the annual family awards night.
18 months after parting ways under mysterious circumstances, the FBI team is brought back together by a new crisis.