A new recruit changes the dynamics in the lab as Snot Faucet's cold threatens a sticky end for everyone!

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When Septico's long lost brother comes to visit, he's repulsed by the grossness of the Yuck Lab - until he accidentally gets turned into a poop loving housefly.

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A horrible, hairy monster is unleashed as Septico's arch-nemesis arrives for an inspection of the Yuck Lab.

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Septico's attempt to throw Pristine a birthday party turns into a disgusting food eating competition.

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Pristine's fear of fungus could destroy the lab.

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Septico tries his hand at wormcharming and Pristine hides a toothache when their dentist Aunt comes to visit.

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Septico's quest to take his body odor to new stinktacular heights forces Pristine to redesign her latest invention, the Smell-O-Vac, for her...

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When Septico's long lost brother comes to visit, he's repulsed by the grossness of the Yuck Lab - until he accidentally gets turned into a poop loving housefly.

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Septico challenges World Fart Champion Gastrov Flatulinsky to a farting competition.

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When Septico's college crush, Botany "expert" Egregious Flytrap visits the lab, the gang tries to impress her with various disgusting plants, not realizing she wants to use those plants in a diabolical experiment.

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After Pristine turns down the chance to give a prestigious speech, Septico finds out she passed because she has urine control issues, and he's determined to whip her bladder in shape for her to give the speech.

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When a crew of pirate parasites takes over the Yuck Lab and infects the gang, Septico has to figure out a cure for the various parasites.

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The lab gang is left in charge of an annoying little girl with a tummy ache, as they scramble to prepare their submission for the World Yuckology Expo.

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When Pristine comes down with an increasingly more disgusting series of yucky conditions - Septico must save her from her body's own disgustingness.

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A horrible, hairy monster is unleashed as Septico's arch-nemesis arrives for an inspection of the Yuck Lab.

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Septico's quest to do the perfect poop brings an ancient and dangerous curse on the lab.

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When the lab is overrun by an ant colony, Septico and the team have to bargain with the ants - before the O'Cleans can send in the Cleaners!

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Septico and Pristine seem to swap personalities after they're stung by zombie parasite wasps.

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Septico's fascination with cockroaches causes chaos when he invites a specialist cockroach trainer to the lab.

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Leonidis' locks down the lab when his favorite stinky sandwich gets stolen, so Septico has to expose the gang to various stinky animals to find the culprit.

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When it's revealed that Durp-E is secretly keeping a pet rat in the Yuck Lab, everyone is shocked as to whom the cringing, shrieking aversion to them is.

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Septico and the gang try to stop the O'Cleans from destroying the world's Mite population by creating an ad campaign to show that microscopic mites are actually cool.

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A monstrous Fatberg emerges from the sewers to wreak havoc on the lab!

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All the gang get painful and gross skin conditions when Pristine attempts to cover her spying by helping Septico get into the record books for the world's biggest blister.

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Reeling from Pristine's betrayal, Septico advertises for her replacement and is visited by a seemingly perfect candidate.

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The fate of the lab is at stake as the gang is held hostage by their new boss.

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