Seasons & Episodes
Queen for a Day
Insectiva tries to destroy the city using giant, mutated termites.
The Slim Slime Man
A bitter sewer worker merges with a slime mold and turns into a monster who attempts to smother the surface dwellers in
Fartzilla
The villain, Fartor wreaks havoc and seeks revenge on his cruel brother by causing a fart epidemic in order to fuel a gi
The Perfect Stink
Sloppy Joe, the world's dirtiest bad-guy, takes all the worst smells in the world and makes a giant stink bomb. Meanwhil
The Scab Fairy
A former beauty queen, calling herself the "Scab Fairy", invents a weapon that allows her to steal people's scabs so tha
When Ya Gotta Go
Lance Boil builds an infrasound ray gun that causes instant diarrhea, thereby severely hindering any police investigatio
Club Parasites
Insectiva has created a strain of giant mind-controlling head lice that grow on all the kids' heads at Ringworm High, co
Go Fish
Mutant hagfish attack the town. Ty and Abby follow their slimy trail of destruction. Meanwhile Ty and Abby get a pet kit
It's Gotta Be the Shoes
A crazed basketball player creates a plague-like Athlete's Foot epidemic using his new brand of popular running shoes.
Owl Most Foul
A giant Owl terrorizes the people of town and especially its pigeons. Meanwhile, Lab Rat refuses to come out of the Gag
Yack Attack
An attack on the city's water system makes people sick.
The Greatest Race Ever Crawled
Ty and Lab Rat design a vehicle that crawls and leaps like an insect, and then are challenged to a race by Insectiva.
Kid Rot
A boy causes organic things to rot just by touching them, so Abby and Ty try to cure him.
The Insider
Lance Boil shrinks himself and tricks Ty into drinking him so he can tinker with Ty's brain once inside his body.
All Together Now
Instectiva, Lance Boil and Sloppy Joe inflict the members of the Bureau of Grossology with parasites, halitosis and acne
Oldie but a Goodie
While defusing a device Lance Boil planted in town, Abby gets hit by a ray that instantly starts aging her at 6000 times
Survival of the Grossest
Competing in the school Science Fair, Ty's main rival is Patrick and his cool robot. Deciding to jazz up his fruit-fly p
School's Grossed Out for Summer
A mad proctologist, Dr. Colon, breeds a giant intestine that he intends to snake around the world, unless Ty, Abby, Paig
Vein Drain
When people start showing up with bite marks on their necks, Ty and Abby suspect vampires. But when they dig a little de
Silent But Deadly, Part 1
Gassy super villain Fartor returns with a scheme to fart-up the entire planet! But with a plan this big he needs help, a
Silent But Deadly, Part 2
Fartor and his new apprentice, Far-Ty join forces to drill into the planet core and turn the earth into one big gas plan
The King of Rottingham Forest
Kid Rot returns and his powers are out of control. The forest is rotting, and Kid Rot is behind the destruction! Will Ab
Lights Out
A new nocturnal villain, Darko Crevasse, plunges the city into darkness with the help of his army of creatures of the ni
Frankenbooger
Sloppy Joe creates a friend out of stolen boogers.
A New Leaf
Abby is kidnapped and placed in a greenhouse filled with man-eating plants.
Heave It or Leave It
Abby and Ty are jazzed to be contestants on the hottest game show on the planet where their gross skills and iron stomac
Sinister Rivalry
When downtown turns into the site of the bug-battle of the century (insects vs. arachnids), it's up to Ty and Abby to ta
Flushed Away
When alligators start showing up in people's toilets, doing your business becomes risky business. Meanwhile, inventor T.
Vertigo A Go-Go
Lance Boil has planted a nanodevice in Abby's ear, and those of many other students, causing serious vertigo, as well as
Sloppy Joe to Go
Sloppy Joe opens a fast-food joint with portions so big that half the food is thrown away, creating a garbage overload i
Hairless Whispers
The Grossologists tangle with a former hair stylist who has a space satellite that could make everyone in the world go b
Stinko
Sloppy Joe creates a body-odor epidemic during a heat wave.
Mold Monster
Roger Pinkeye uses smelly cheese to create a monster out of mold.
When Allergies Attack
Lance Boil drops an allergy bomb at a carnival.
Pussed Off
A major case of acne spreads through Ringworm High.
Ask the Dust Mites
Lab Rat invents a shrink ray...but in the process accidentally creates giant dust mites, who fall to the control of Arac
Turd Wars
An army of giant dung beetles has stolen all the manure from nearby farmland (with Sloppy Joe along for the ride), as pa
Spa Insectiva
An exclusive spa opens and customers are raving about its fancy bath products, but they're all bug-based and created by
Ain't Over Till the Fat Man Sings
A disgraced opera star is set on revenge and plans to blow everyone away with destructive burps.
Candy Isn't Dandy
A candy man comes to town with treats that cause bad breath.
Swamp Gas
A mechanical swamp monster is causing power outages all over the city.
Squirm
It's time for an Archer Family daughter/son and father/mother adventure while Ty and Abby take on extreme sports togethe
Let Them Eat Fruitcake
Abby notices that holiday cheer is lacking during the Christmas season, especially with Sloppy Joe playing the local San
New Recruits
Ty and Abby recall their early days as Grossologists.
Pinkeye & the Brain
Roger Pinkeye kidnaps Lance Boil, hoping to use him to get all the Grossology secrets.
Pinkeye's Revenge (Part I)
Lance Boil and Roger Pink-Eye have teamed up, and they've got a plan. They're going to make Roger's dream come true; he'
Pinkeye's Revenge (Part II)
With Abby a prisoner, her evil clone working an inside job at the Bureau of Grossology, and Ty and Lab Rat off the team,
Fangs a Lot
Little pet snakes are sold all over town before they morph into deadly beasts.
Hirsute Yourself
Frederick Follicle returns to town, bringing a hairy epidemic with him.
Pucker Up
Insectiva and Sloppy Joe are determined to ruin Valentine's Day.
The Fart Side of the Moon
Fartor returns with an explosive plan to send a gassy meteor on a collision course with Earth.
Night of the Living Roadkill
Darko Crevasse returns with an army of zombie roadkill animals, and he's on a mission to ruin Halloween.
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