Using a concoction of cartoons, comedy and live action, Dr. Yuck and his eccentric lab mates investigate the science behind the planet's ickiest things.
Snot Now, Snot EverA new recruit changes the dynamics in the lab as Snot Faucet's cold threatens a sticky end for everyone!
Pimple Fever
D2
Pimple FeverWhen 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.
Arachnattack
D3
ArachnattackA horrible, hairy monster is unleashed as Septico's arch-nemesis arrives for an inspection of the Yuck Lab.
Dirty Rotten Birthday Girl
D4
Dirty Rotten Birthday GirlSeptico's attempt to throw Pristine a birthday party turns into a disgusting food eating competition.
Fungus Humungus
D5
Fungus HumungusPristine's fear of fungus could destroy the lab.
Enter the Toothworm
D6
Enter the ToothwormSeptico tries his hand at wormcharming and Pristine hides a toothache when their dentist Aunt comes to visit.
Septico's Felonious Funk
D7
Septico's Felonious FunkSeptico's quest to take his body odor to new stinktacular heights forces Pristine to redesign her latest invention, the Smell-O-Vac, for her...
That's So Fly
D8
That's So FlyWhen 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.
Gastrov Flatulinsky
D9
Gastrov FlatulinskySeptico challenges World Fart Champion Gastrov Flatulinsky to a farting competition.
Attack of the Yucky Plants
D10
Attack of the Yucky PlantsWhen 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.
Urine Luck
D11
Urine LuckAfter 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.
Parasite Pirates
D12
Parasite PiratesWhen 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.
No Guts, No Glory
D13
No Guts, No GloryThe 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.
The Yuck Trifecta
D14
The Yuck TrifectaWhen Pristine comes down with an increasingly more disgusting series of yucky conditions - Septico must save her from her body's own disgustingness.
Pristine Hair-Wolf
D15
Pristine Hair-WolfA horrible, hairy monster is unleashed as Septico's arch-nemesis arrives for an inspection of the Yuck Lab.
Kung Poo
D16
Kung PooSeptico's quest to do the perfect poop brings an ancient and dangerous curse on the lab.
Antpocalypse Now!
D17
Antpocalypse Now!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!
Yuck Lab Z
D18
Yuck Lab ZSeptico and Pristine seem to swap personalities after they're stung by zombie parasite wasps.
Roach Motel
D19
Roach MotelSeptico's fascination with cockroaches causes chaos when he invites a specialist cockroach trainer to the lab.
The Big Stink
D20
The Big StinkLeonidis' 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.
Oh Rats!
D21
Oh Rats!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.
Everything's All-Mite!
D22
Everything's All-Mite!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.
Around the S Bend
D23
Around the S BendA monstrous Fatberg emerges from the sewers to wreak havoc on the lab!
Blisters and Shingles and Warts! Oh My!
D24
Blisters and Shingles and Warts! Oh My!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.
All's Yuck That Ends Yuck Part 1
D25
All's Yuck That Ends Yuck Part 1Reeling from Pristine's betrayal, Septico advertises for her replacement and is visited by a seemingly perfect candidate.
All's Yuck That Ends Yuck Part 2
D26
All's Yuck That Ends Yuck Part 2The fate of the lab is at stake as the gang is held hostage by their new boss.
