While trying to fix a malfunctioned mop, K.O. clicks a pop-up on Dendy's "hackpack", causing a glitch virus to invade the Bodega and infect shoppers into glitched CGI zombies.
Pickle has been training lobsters in the Mjärt Mart, Peanut finds this to be very cool and suggests Pickle he should just purchase the lobsters so they do not get eaten, Pickle says they are too expensive to buy so the boys borrow the lobsters and turn the van into a mobile aquarium. Pickle starts to perform shows with the lobsters in hopes to raise enough money until rapper D-Stixx offers the boys $15,000 for them to perform at Shellapalooza, Pickle and Peanut then realize that D-Stixx just wants to eat the lobsters and they proceed to rescue the lobsters and set them free before they are eaten.
After Pickle makes a complaint to the health department about hair being on the Slop Shop's pizza, the health department takes the owner Ryan away. With people entering the restaurant and no one to make the Pizza, the boys decide to give people the premade pizzas. A group of kids then burst into the restaurant and there is no pizza left, Pickle then tries to make pizzas but does not know how and this enrages the kids and they hold the customers captive while Pickle and Peanut go to free Ryan from the health department where it is revealed that the health department has been looking for him for years because he is half orangutan.
Trying to learn how to be nice, Chloé throws a party but loses her temper and fires her butler, who becomes akumatized into the vengeful Despair Bear.
Vee invites her friends over for family game night and teaches them some of her favorite Transylvania games.
Richard and Sara Pascoe visit the birthplace of paella, for cocktails, zorbing, a four-wheel bike ride and a hunt for the holy grail.
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.