Insectiva tries to destroy the city using giant, mutated termites.

A bitter sewer worker merges with a slime mold and turns into a monster who attempts to smother the surface dwellers ...

The villain, Fartor wreaks havoc and seeks revenge on his cruel brother by causing a fart epidemic in order to fuel a...

Sloppy Joe, the world's dirtiest bad-guy, takes all the worst smells in the world and makes a giant stink bomb. Meanw...

A former beauty queen, calling herself the "Scab Fairy", invents a weapon that allows her to steal people's scabs so ...

Lance Boil builds an infrasound ray gun that causes instant diarrhea, thereby severely hindering any police investiga...

Insectiva has created a strain of giant mind-controlling head lice that grow on all the kids' heads at Ringworm High,...

Mutant hagfish attack the town. Ty and Abby follow their slimy trail of destruction. Meanwhile Ty and Abby get a pet ...

A crazed basketball player creates a plague-like Athlete's Foot epidemic using his new brand of popular running shoes.

A giant Owl terrorizes the people of town and especially its pigeons. Meanwhile, Lab Rat refuses to come out of the G...

An attack on the city's water system makes people sick.

Ty and Lab Rat design a vehicle that crawls and leaps like an insect, and then are challenged to a race by Insectiva.

A boy causes organic things to rot just by touching them, so Abby and Ty try to cure him.

Lance Boil shrinks himself and tricks Ty into drinking him so he can tinker with Ty's brain once inside his body.

Instectiva, Lance Boil and Sloppy Joe inflict the members of the Bureau of Grossology with parasites, halitosis and a...

While defusing a device Lance Boil planted in town, Abby gets hit by a ray that instantly starts aging her at 6000 ti...

Competing in the school Science Fair, Ty's main rival is Patrick and his cool robot. Deciding to jazz up his fruit-fl...

A mad proctologist, Dr. Colon, breeds a giant intestine that he intends to snake around the world, unless Ty, Abby, P...

When people start showing up with bite marks on their necks, Ty and Abby suspect vampires. But when they dig a little...

Gassy super villain Fartor returns with a scheme to fart-up the entire planet! But with a plan this big he needs help...

Fartor and his new apprentice, Far-Ty join forces to drill into the planet core and turn the earth into one big gas p...

Kid Rot returns and his powers are out of control. The forest is rotting, and Kid Rot is behind the destruction! Will...

A new nocturnal villain, Darko Crevasse, plunges the city into darkness with the help of his army of creatures of the...

Sloppy Joe creates a friend out of stolen boogers.

Abby is kidnapped and placed in a greenhouse filled with man-eating plants.

Abby and Ty are jazzed to be contestants on the hottest game show on the planet where their gross skills and iron sto...