Grossology (TV series)

This article is about the animated TV series. For the book series, see Grossology (books).
Genre Action, Adventure,
Created by Sylvia Branzei
Voices of Krystal Meadows
Michael Cohen
M. Christian Heywood
Paul O'Sullivan
Composer(s) Paul Intson
Country of origin Canada
No. of seasons 2
No. of episodes 52
Running time 24 minutes
Production company(s) Nelvana Limited
Original network YTV
Original release September 29, 2006 (2006-09-29) – October 24, 2009 (2009-10-24)

Grossology is a Canadian animated television series produced by Nelvana, and based loosely on the non-fictional children's book series of the same name by Sylvia Branzei. It debuted on the YTV network in Canada on September 29, 2006, and was broadcast on Discovery Kids (now Discovery Family) in the United States on January 13, 2007. It also aired on Jetix on June 2, 2007 and Kix! from September 15, 2008 in the United Kingdom and on ABC TV in Australia in December 2007.

The first season consists of 26 half-hour installments, and the second season has premiered on September 2008. The principal character designs were done by Faruk Cemalovic.

The French title of this series in Canada is Glurp Attack.


Ty and Abby are a teen brother and sister crime-fighting team who report to the Bureau of Grossology, a secret government facility whose job is to investigate gross criminals, their gross crimes, and/or various gross phenomena.[1] Each episode of the series follows the pair on adventures based on real scientific facts. Aided by their friend Lab Rat (a human scientist), their boss The Director, and their police liaison, The Detective, Ty and Abby work to keep the city safe, all while keeping their identities hidden. (Oddly, villains never recognize Abby apart from her Grossology uniform, despite her floor-length ponytail.)


Major characters


Supporting characters



Season Episodes Originally aired
First aired Last aired
1 26 September 29, 2006 July 28, 2007
2 26 September 6, 2008 October 24, 2009

Season 1: (2006–07)

No. in
No. in
Title Directed by Written by Original air date
11"Queen for a Day"Matt FergusonAlice ProdanouSeptember 29, 2006 (2006-09-29)
Ty and Abby must foil Insectiva's plot to use giant, mutated termites to destroy the city. Meanwhile, Abby and Paige fight over who should decorate the gym for the dance.
22"Slim Slime Man"Matt FergusonHugh DuffyOctober 1, 2006 (2006-10-01)
A bitter sewer worker merges with a slime mold and turns into a monster who attempts to smother the surface dwellers in slime. Meanwhile, Ty tries to get more people to eat at the cafeteria.
33"Fartzilla"Matt FergusonSean CullenOctober 8, 2006 (2006-10-08)
The villain, Fartor wreaks havoc and seeks revenge on his cruel brother by causing a fart epidemic in order to fuel a giant robot called Fartzilla.
44"The Perfect Stink"Matt FergusonSimon Racioppa, Richard ElliottOctober 15, 2006 (2006-10-15)
Sloppy Joe, the world's dirtiest bad-guy, takes all the worst smells in the world and makes a giant stink bomb. Meanwhile Ty asks Naomi out on a date
55"The Scab Fairy"
"This Scab's For You"
Matt FergusBen JosephOctober 22, 2006 (2006-10-22)
A former beauty queen, calling herself the "Scab Fairy," invents a weapon that allows her to steal people's scabs so that she can inflict them on others.
66"When Ya Gotta Go"Matt FergusonRobin J. SteinOctober 29, 2006 (2006-10-29)
Lance Boil builds an infrasound ray gun that causes instant diarrhea, thereby severely hindering any police investigation.
77"Club Parasites"Matt FergusonRobert TinklerNovember 5, 2006 (2006-11-05)
Insectiva has created a strain of giant mind-controlling head lice that grow on all the kids' heads at Ringworm High, converting them to zombies.
88"Go Fish"Matt FergusonRichard ClarkNovember 12, 2006 (2006-11-12)
Mutant hagfish attack the town. Ty and Abby follow their slimy trail of destruction. Meanwhile Ty and Abby get a pet kitten named Hairball.
99"It's Gotta Be the Shoes"Matt FergusonBen JosephNovember 19, 2006 (2006-11-19)
A crazed basketball player creates a plague-like Athlete's Foot epidemic using his new brand of popular running shoes.
1010"Owl Most Foul"Matt FergusonDave DiasDecember 31, 2006 (2006-12-31)
A giant Owl terrorizes the people of town and especially its pigeons. Meanwhile, Lab Rat refuses to come out of the facility room because of his fear of the outside world.
1111"Yack Attack"Matt FergusonAlice ProdanouJanuary 14, 2007 (2007-01-14)
A mysterious plague of uncontrollable vomiting has struck the city, even affecting Abby...which may mean the end of her career as a Grossologist. It is up to Ty to crack the case alone.
1212"The Greatest Race Ever Crawled"Matt FergusonRichard ClarkJanuary 21, 2007 (2007-01-21)
When the GRS-1 is damaged, Ty and Lab Rat design and build the CATMOBILE, a kicking set of wheels that can crawl, leap, or otherwise get around just like an insect. Ty is then goaded into a race by Insectiva and her cadre of giant bugs, which is really just a cover for her deeper, evil plan.
1313"Kid Rot"Matt FergusonRobin J. SteinJanuary 28, 2007 (2007-01-28)
There is a new kid in school, who kind of smells. This repels most kids but attracts Ty and Abby. A science lab mishap has caused him to have a "rotting touch," and everything organic thing he touches rots instantly.
1414"The Insider"Matt FergusonJeremy WinkelsFebruary 4, 2007 (2007-02-04)
In a plot similar to Fantastic Voyage, Lance Boil has perfected his shrink ray, and invaded Ty's body. Lance hopes to decrease Ty's I.Q. to zero, and heads for the brain. It's up to Abby to go in, and beat him singlehandedly.
1515"All Together Now"Matt FergusonBen JosephFebruary 25, 2007 (2007-02-25)
Instectiva, Lance Boil and Sloppy Joe join forces to shut down the Bureau of Grossology by afflicting the members simultaneously with villain-sized doses of horseflies, halitosis and acne.
1616"Oldie But A Goodie"Matt FergusonRichard ClarkMarch 4, 2007 (2007-03-04)
When Abby defuses a mysterious device Lance Boil planted in the middle of town, she gets bathed in a green ray that instantly starts her aging at many times the normal rate.
1717"Survival of the Grossest"Matt FergusonSimon Racioppa, Richard ElliottMarch 18, 2007 (2007-03-18)
Competing in the school Science Fair, Ty's main rival is Patrick and his cool robot. Deciding to jazz up his fruit-fly project with a little mutagenic kickstart, things go wrong almost immediately.
1818"School's Grossed Out For Summer"Matt FergusonBen JosephApril 1, 2007 (2007-04-01)
Ty, Abby, Paige and Naomi are locked in the school by a mad proctologist, Dr. Cornelius Colon. He then captures Paige and Naomi, hoping to use them as "nutrients" for a giant intestine he developed.
1919"Vein Drain"Matt FergusonJohn MeinApril 28, 2007 (2007-04-28)
When people start showing up with bite marks on their necks, Ty and Abby suspect vampires. But when they dig a little deeper, they discover that it's another kind of bloodsucker that's causing trouble – leeches! Worse, Abby is deathly afraid of these hungry invertebrates.
2020"Silent But Deadly, Part 1"Matt FergusonSimon Racioppa, Richard ElliottMay 12, 2007 (2007-05-12)
Gassy super villain Fartor returns with a scheme to fart-up the entire planet! But with a plan this big he needs help, and he's got his sights set on Ty; who, after a falling-out with Abby, turns to the Fart Side.
2121"Silent But Deadly, Part 2"Matt FergusonSimon Racioppa, Richard ElliottMay 19, 2007 (2007-05-19)
Fartor and his new apprentice, Far-Ty join forces to drill into the planet core and turn the earth into one big gas planet. It is up to Abby to stop the gassy bad-guy...and re-convert Ty back to an oxygen-breathing, good-guy Grossologist.
2222"The King of Rottingham Forest"Matt FergusonRobin J. SteinJune 2, 2007 (2007-06-02)
Kid Rot returns and his powers are out of control. The forest is rotting and Kid Rot is behind the destruction! Will Abby and Ty stop his rotting tide of evil before he destroys the planet?
2323"Lights Out"Matt FergusonJeremy WinkelsJune 23, 2007 (2007-06-23)
A new nocturnal villain, Darko Crevasse, plunges the city into darkness with the help of his army of creatures of the night. Ty scrambles to shed some light on the problem before it's lights out for everyone.
Matt FergusonDave DiasJuly 12, 2007 (2007-07-12)
Sloppy Joe, the world's filthiest villain, has created a monster made of stolen snot. It's up to Ty and Abby...with some surprising help from both The Director and Sloppy Joe stop Frankenbooger before its too late.
2525"A New Leaf"Matt FergusonSimon Racioppa, Richard ElliottJuly 21, 2007 (2007-07-21)
Abby learns what teamwork is all about when she's kidnapped and imprisoned in a hothouse full of giant, man-eating plants, and her only hope for survival is Insectiva!
2626"Heave It or Leave It"
"You Heave, You Leave"
Matt FergusonRobin J. SteinJuly 28, 2007 (2007-07-28)
Abby and Ty are jazzed to be contestants on the hottest game show on the planet where their gross skills and iron stomachs could make them stars. Only trouble is, The Director forbids them to go on. Even worse, the show is an elaborate trap set up by Lance Boil.

Season 2: (2008–09)

This season has yet to air in the United States, but several episodes can be found on YouTube.

No. in
No. in
Title Directed by Written by Original air date
271"Sinister Romance"Kevin MicallefRichard ClarkSeptember 6, 2008 (2008-09-06)
A sibling rivalry between Insectiva and her hated twin sister Arachnidia may wreck the city...but Ty and Abby must also resolve their own conflict.
282"Flushed Away"Kevin MicallefMatt SheppoSeptember 7, 2008 (2008-09-07)
When alligators start showing up in people's toilets, doing your business becomes risky business. Meanwhile, inventor, T.P. Skinner starts selling the Gator-Guard 5000, a gator-in-the-toilet trapping system, so Abby considers him a prime suspect...or is he?
293"Vertigo A Go-Go"Kevin MicallefRobert Pincombe, Shelley HoffmannSeptember 20, 2008 (2008-09-20)
Lance Boil has planted a nanodevice in Abby's ear, and those of many other students, causing serious vertigo, as well as complete control of their every move. Ty's refusal to clean his own ears has led to a buildup of ear wax, making him the only one immune to Boil's weapon.
304"Sloppy Joe to Go"Kevin MicallefRobert Pincombe, Shelley HoffmannSeptember 27, 2008 (2008-09-27)
Apparently renouncing his life of crime, Sloppy Joe has found an honest business venture, a fast food joint. But his overly-generous portions are actually part of a rather distasteful plot.
315"Hairless Whispers"Kevin MicallefJermeny WrinklesOctober 4, 2008 (2008-10-04)
Frederick Follicle, a disgruntled former hair stylist with super-powered body hair, launches a hair-removal satellite into space, and Abby is among his first victims.
326"Stinko"Kevin MicallefRichard ClarkOctober 11, 2008 (2008-10-11)
The city's entire supply of deodorant has been stolen...during a heat wave! To make matters worse, Sloppy Joe has made showering impossible, by clogging the city's water reservoir with his armpit hair.
337"Mold Monster"Kevin MicallefRobert Pincombe, Shelley HoffmannNovember 1, 2008 (2008-11-01)
What's a little gross-crime in the name of the truth? Roger Pink-Eye steps up his attempts to solve the mystery behind Ty's and Abby's extra-curricular activities by creating a Mold Monster (by infesting cheese with black mold) to out our heroes as Grossologists! Will Ty and Abby get the double smackdown, defeat by a moldy monster and so long secret identity?
348"When Allergies Attack"TBATBANovember 8, 2008 (2008-11-08)
With Lance Boil's new super allergy-causing ray-gun wreaking havoc with Ty's love life and almost splitting up our dynamic duo (Lab Rat and Hermes that is, when Lab Rat develops an allergy to the little guy), it doesn't look like things could get worse. That is, until Lance Boil decides to drop a giant Allergy Bomb on this year's Carnival crowd.
359"Pussed Off"TBATBANovember 15, 2008 (2008-11-15)
When Ringworm High students mysteriously come down with a major case of pimple-itis (zits here, there and everywhere), Ty and Abby turn to an imprisoned Lance Boil for help solving the crime. Never short on plans of his own, Lance sends the Grossologists on a wild goose chase, giving him the perfect opportunity for a pus-villain team up.
3610"Ask the Dust Mites"TBATBANovember 22, 2008 (2008-11-22)
Lab Rat invents shrink ray...but in the process accidentally made giant dust mites. Attempting to correct his mistake, he only makes things worse by accidentally shrinking Paige.
3711"Turd Wars"TBATBANovember 29, 2008 (2008-11-29)
When an army of giant dung beetles has stolen all the manure from nearby farmland, as part of Insectiva's evil plan. Meanwhile, Abby is forced to serve as the school's Hall Monitor, and help keep it clean...but Paige is determined to make her task impossible.
3812"Spa Insectiva"TBATBAJanuary 21, 2009 (2009-01-21)
When an ultra-exclusive spa opens, everyone goes gaga for its new line of bug-based creams, gels, and oils, created by Insectiva. Petunia Archer is given a free demonstration, but Abby suspects a hidden motive.
3913"Ain't Over Till the Fat Man Sings"TBATBAJanuary 22, 2009 (2009-01-22)
When a disgraced opera star returns to the stage, he's only singing one note: revenge! But his new opera stylings aren't music to anyone's ears, unless super-powerful and destructive burps are your thing.
4014"Candy Isn't Dandy"TBATBAFebruary 6, 2009 (2009-02-06)
When Gary Gumdrop, the ultimate candy man, hits town with his new treat, Gary's Gooey Gobbles, Ty's in heaven. This candy's delicious and good for your teeth...or is it?
4115"Swamp Gas"TBATBAFebruary 13, 2009 (2009-02-13)
As floating balls of light cause power outages across town, everyone fears aliens are among us, except for the Grossologists, who are certain it is merely swamp gas. But when a giant one-eyed mechanical monster attacks them in the swamp, it might be time for a second opinion.
4216"Squirm"TBAMatt SheppoFebruary 20, 2009 (2009-02-20)
It's time for an Archer Family daughter/mother and father/son adventure while Ty and Abby take on extreme sports together as brother and sister with their friends Petunia and Harvey take on a Motocross Championship
4317"Let Them Eat Fruitcake"TBATBATBA
It's Christmas time, and everyone but Abby is feeling the Christmas spirit, especially Sloppy Joe. But while Abby is suspicious of Joe's good intentions, Lance Boil attempts to ruin Christmas with his bacteria-ridden fruitcakes.
4418"New Recruits"TBATBAFebruary 27, 2009 (2009-02-27)
Ty complains of boredom, and considers resigning from the Bureau of Grossology, when yet another mission to foil Lance Boil is deemed "too easy." Shocked by this attitude, Abby relates how they had become Grossologists in the first place...and they find out that their latest "success" isn't what it seems.
4519"Pinkeye & The Brain"TBATBAMarch 6, 2009 (2009-03-06)
Lance Boil's been kidnapped, and there is a long list of suspects! Could it be Insectiva? Sloppy Joe? No, it's Roger Pinkeye! That's right, Roger's got Lance and he wants to know all of Abby's and Ty's Grossology secrets. And if the Grossologists don't find him fast, Lance just might spill the beans.
4620"Pinkeye's Revenge (Part I)"TBARichard ClarkMarch 13, 2009 (2009-03-13)
Lance Boil and Roger Pinkeye have teamed up, and they've got a plan. They're going to make Roger's dream come true; he's going to become a Grossologist. All it's going to take is an army of rats and an evil clone of Abby! Too bad Roger's not watching out for the Lance Boil double cross!
4721"Pinkeye's Revenge (Part II)"TBARichard ClarkMarch 23, 2009 (2009-03-23)
With Abby a prisoner, her evil clone working an inside job at the Bureau of Grossology, and Ty and Lab Rat off the team, Lance Boil looks unstoppable! Now there's only three people!
4822"Fangs A Lot"TBATBAJune 15, 2009 (2009-06-15)
When Professor Skinner's newest creation, Slitherbuddies (cute, genetically modified little snakes) hit the stores, everyone goes crazy for them. So crazy, in fact, that they ignore an emergency recall, until their slitherbuddies molt and become giant and deadly genetically modified snakes. Then they can't get rid of them fast enough. Except for Abby, who just can't seem to let go of her deadly new pet!
4923"Hirsute Yourself"TBATBAJune 26, 2009 (2009-06-26)
When a hairy epidemic hits, you know Frederick Follicle is back in town. But this time, he's not just controlling his own hair, he's controlling everyone else's!
5024"Pucker Up"TBATBATBA
Insectiva and Sloppy Joe are out to ruin Valentine's Day and it's up to the Grossolgists to stop them.!
5125"The Fart Side of the Moon"TBAMatt SheppoJuly 1, 2009 (2009-07-01)
He's back and more explosive than ever, Fartor! And this time his flatulent plan is on an epic scale. He's planning to send the universe's gassiest meteor on a collision course with Earth. But before he turns our atmosphere into one big fart, he has to overcome Ty, Abby, and Lab Rat in space! Lab Rat in space?! This is possible after a new exact spacecraft clone of the Gag Lab is introduced. Will the Grossologists stop Fartor before earth becomes a gas planet literally?
5226"Night of the Living Roadkill"TBATBAOctober 24, 2009 (2009-10-24)
Darko Crevasse returns with an eye to ruin Halloween using an army of zombie roadkill animals!

DVD releases

The first official DVD release for this series was issued in Australia on July 2008. Two volumes are available so far:

September 2008 saw the first official DVD release in the series' native Canada. One volume is available so far:


  2. Episode 13, "Kid Rot"
  3. Bradford I. Graham. "The Grahams: Grossology Development". Retrieved March 28, 2015.
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