The Unstoppable Yellow Yeti

Season 12022

Small town life above the Arctic Circle snowballs out of control when an enormous, outrageous, and unstoppable Yellow Yeti arrives in town and befriends two 12-year-old kids.

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50 Episodes

E01 Winterton is Coming

Osmo's arrival gets stranger when he befriends a yellow yeti called Gustav. His amateur monsterologist cousin Rita suspects a monster is afoot, which is against Winterton rules.

May 9, 2022

E02 The First Supper

Osmo and Rita's first family dinner goes badly, jeopardising Osmo's stay in Winterton. Gustav must save the day in a clever chef disguise, right under Mayor Chrome's nose.

E03 Long Time No Ski

When Osmo has to get a skiing license or be banished, becomes his clueless ski instructor and Rita pits him Mayor Chrome in a downhill race to stay in Winterton.

E04 Yeti as Yeti

When monster panic strikes Winterton, Gustav volunteers as a stand-in yeti for Mayor Chrome's monster-preparedness drills, but struggles to be convincingly scary.

E05 Rug Burn

When Gustav thinks his Grampapa has been turned into Chrome's new rug, the kids help give him a send-off at Monster Graveyard. But Osmo must first conquer his fears.

E06 Katz

When Osmo's inflatable doughnut goes missing with everyone's mail, the trio search for Winterton's Mail Cats, who have gone feral. The Northern Lights offer help, for a sacrifice.

E07 Pipey

When Ned thinks Osmo needs company, he gets him a cute pet which turns out to be a vicious monster. Osmo and Gustav must get rid of it before it destroys Winterton.

E08 Stink-Erton

Rita finds proof that her hero, Emma Erton, was the true founder of Winterton, but loses it to Anders and his cronies. Osmo and Gustav must help her fight for it back.

E09 Full Monster

When Osmo and Rita suspect Gustav is going 'full monster', they trap him so they can find a cure, only to get symptoms themselves. Now Gustav must figure out how to cure them.

February 7, 2023

E10 Lady of the Lake

A lake monster cozies up to Gustav in the belief that he wants to take her out for dinner, with Osmo and Rita as the main course.

E11 Pinesap Flood Day

When Osmo's eagerness to fit in by celebrating Winterton's founding leads to disaster, he must use his wits as an outsider to save the town with Gustav and Rita's help.

E12 Royal Flush

When Gustav plucks a legendary plunger from the town toilet, he thinks he's Winterton's one true plumber, leaving Ned bummed. Osmo and pals must help him get his confidence back.

E13 Let the Games Begin

When Osmo signs Winterton up to host the Winter Games, Chrome is caught unprepared. The trio must rally the town to put on a big show for the demanding Chairman.

E14 Two Osmos Too Many

When Osmo discovers a monster who looks just like him, he teaches him how to have fun, only for his clone to cause chaos all over town. Now the trio must tame the terrible twin.

E15 Sweaty Yeti

When Rita competes with Osmo and Gustav against Anders' crew in a sauna competition, her competitive side emerges. Osmo and Gustav must get her to cool it before she blows her top.

E16 Spring Fever

When Spring doesn't come, the townsfolk begin acting strangely. It's up to Gustav to perform various ridiculous deeds before the Northern Lights will bring on Spring.

E17 Momster

When Rita takes her mom's secret amulet, the trio experience bad luck and suspect that Lydia may be a monster. They must make amends to break the curse.

E18 Gondola with the Wind

When Osmo, Rita, and Gustav get trapped in a gondola, their friendship is tested by panic and paranoia, while Chrome and Ned bicker over how to get them back down to Earth.

July 31, 2023

E19 Interneti Yeti

The trio's scheme to bring online delivery to Winterton is a huge success, but when they drive Mr. Cavity's shop out of business, they must remind everyone of his old school charm.

E20 Yeti Bear

When Gustav is mistaken for a giant teddy yeti by Anders' spoiled little sister, Osmo must break him out of their house, even if he has to play friends with Anders.

E21 Art-Ache

When Rita's talent for chainsaw ice sculpting goes from scary to awe-inspiring, Osmo and Gustav investigate if it's really her work, while Rita frets over her upcoming exhibition.

E22 Pine-Saps

It's Osmo's worst nightmare when he gets stuck to Anders with pinesap on a field trip, and both wind up lost on Monster Mountain. The two must get over their rivalry to survive.

E23 Chromocracy

When Rita replaces Chrome with Gustav as mayor, it's all good fun until chaos befalls Winterton. The trio must work with Chrome to save the town from an ice-volcano eruption.

E24 Save the Date

When Mayor Chrome forgets his wedding anniversary, Rita and Osmo pull out all the stops to keep her parents together, only for her mom to run off with Gustav instead.

E25 Gustavella

The kids help Gustav dress up for the Ball, only for the yeti to be crowned belle for a whole year. Now they must help him keep up appearances or risk being exposed as a monster.

February 5, 2023

E26 Beetleggers

When Chrome puts Winterton on an all-beet diet, Rita rebels by supplying townsfolk with Monster Fizz Dipper on the sly with Osmo and Gustav's help, causing odd side effects.

E27 Arm-A-Geddin

When Chrome seizes Osmo's snowboard, he calls up Gustav's monster-burglar pal, Geddin, to help him get it back, only for her to clean out the Mayor's Mansion to Rita's horror.

E28 Yeti Delivery

Osmo and Gustav get jobs as delivery guys to raise funds to celebrate Rita's graduation from Anger Management class, only for Rita to think they ditched her, testing her fury.

E29 Smitten Kitten

Osmo kitten-sits for Katz in a hostage deal for his beloved childhood plushie, but when the kitten goes missing he ends up on wild monster hunt with Gustav and Rita.

E30 Pop-Sickle

After Osmo dodges an awkward talk by accidentally freezing Ned in ice, he must take his place as Winterton's plumber, with Gustav as assistant and Rita translating Ned's blinks.

E31 Rainbow Snow

When Gustav boasts to Osmo and Rita about visiting a patch of forbidden Rainbow Snow atop Monster Mountain, he regrets it when they fall foul of its weird, mind-bending powers.

E32 Monster Momma's Boy

When Osmo and Rita visit Gustav's family, they're forced to keep his life among humans a secret while dodging Grampapa's appetite. Gustav must come clean to save his friends.

E33 Fortune Hunters

When Osmo, Rita, and Gustav do a good deed for old man Ukko, he tempts them with tales of his fortune, leading them to compete for his favor and risking their friendship.

E34 Monster Mashup

Osmo and Rita join Gustav to celebrate his ancestors at the Monster Graveyard, only to wake them up by sharing spooky tales. Now they must tell the spookiest tale ever to escape.

E35 Timey Wimey Yellow Yeti

When Gustav discovers Future Gustav is alone and friendless, he goes overboard to protect Osmo and Rita, only to lead them into harm's way. Now he must save them from himself.

E36 Monster Swap

Rita swaps homes with a monster girl named Emmer for Monsterology research, but when Emmer wants Rita's life in Winterton indefinitely, Rita finds herself becoming truly monstrous.

E37 Tree-Ta

When Rita rescues a sapling, Osmo and Gustav's fertilizer turns it into a giant monster tree. Rita wants it to stay rooted in Winterton for safety, but it wants to roam free.

E38 A Necessary Weasel

When Osmo insults a weasel, he ignites a war between weasel-dom and Winterton. Osmo must find a way to apologise before the critters ruin a beloved Winterton tradition.

E39 The Thingy

When Gustav, Osmo and Rita get locked in the Town Hall with Rufus, paranoia causes all four to suspect each other of being a shapeshifting monster. They must build trust to escape.

E40 Something Rotten

When Osmo and Rita ruin Gustav's heirloom monsterdough recipe, he guilts them into a quest up Monster Mountain to recreate the gross dish by using all their senses, at their peril.

E41 The Way of Ukko

When Rita seeks Ukko's guidance to go with her gut instead of her brain, Osmo and Gustav suddenly forget how to have fun without her - putting the trio's friendship on thin ice.

E42 Secrets, Lies, and Monster Ties

When Rita's mom goes on a secret trip, Osmo and Gustav help Rita find the truth about her monstrous past, only to find a bigger, ancient secret affecting monster and humankind.

E43 Forget Me Yeti

When Gustav's monsterbread bursts and makes all of Winterton lose their memory - he, Osmo, Rita and Rufus think they're a royal family. But their random rule leads to revolution.

E44 Wolverina

When Gustav tries to track a beet-stealing Wolverine, he shuffles through all his personas to outsmart it, in vain. Osmo and Rita must encourage him to use his own unique wits.

E45 Gotta Get Goosey

When Gustav becomes Winterton's Winter Games mascot, he enjoys walking around undisguised, but soon suffers under the townsfolk's ideas about how their mascot should behave.

E46 Wild Things

When Rita gets growing pains, Lydia helps get her worries off her chest with a romp on Monster Mountain, while Chrome tracks them with Gustav and Osmo as his hapless search party.

E47 Worst Wintertonian Ever

When Osmo digs through Chrome's rule book, he discovers a hidden rule that could banish him or Chrome from Winterton. Gustav and Rita try to find a loophole to save them both.

E48 Hoop Happy

Rita tries to give her dad the toy of his boyhood dreams to cheer him up, but gets conned out of her home by Mr. Cavity. Her, Gustav, and Osmo must out-con him to save the day.

E49 Musical Monster Mania (1)

When Rita and Osmo discover that Gustav is not allergic to singing, but can sing too, they enter him into the Wintervision Song Contest, only to risk exposing the yeti in public.

E50 Musical Monster Mania (2)

Osmo, Rita, and Gustav must convince all monsters that they're immune to the Chromatron's yodels. Getting them to sing along with humans will be key to saving their communities.

The Unstoppable Yellow Yeti

E01 Winterton is Coming

E02 The First Supper

E03 Long Time No Ski

E04 Yeti as Yeti

E05 Rug Burn

E06 Katz

E07 Pipey

E08 Stink-Erton

E09 Full Monster

E10 Lady of the Lake

E11 Pinesap Flood Day

E12 Royal Flush

E13 Let the Games Begin

E14 Two Osmos Too Many

E15 Sweaty Yeti

E16 Spring Fever

E17 Momster

E18 Gondola with the Wind

E19 Interneti Yeti

E20 Yeti Bear

E21 Art-Ache

E22 Pine-Saps

E23 Chromocracy

E24 Save the Date

E25 Gustavella

E26 Beetleggers

E27 Arm-A-Geddin

E28 Yeti Delivery

E29 Smitten Kitten

E30 Pop-Sickle

E31 Rainbow Snow

E32 Monster Momma's Boy

E33 Fortune Hunters

E34 Monster Mashup

E35 Timey Wimey Yellow Yeti

E36 Monster Swap

E37 Tree-Ta

E38 A Necessary Weasel

E39 The Thingy

E40 Something Rotten

E41 The Way of Ukko

E42 Secrets, Lies, and Monster Ties

E43 Forget Me Yeti

E44 Wolverina

E45 Gotta Get Goosey

E46 Wild Things

E47 Worst Wintertonian Ever

E48 Hoop Happy

E49 Musical Monster Mania (1)

E50 Musical Monster Mania (2)

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E01 Winterton is Coming

E02 The First Supper

E03 Long Time No Ski

E04 Yeti as Yeti

E05 Rug Burn

E06 Katz

E07 Pipey

E08 Stink-Erton

E09 Full Monster