Season 2: (2008-2009)

# Title Director(s) Writer(s) Original Airdate(s)
27 "Sinister Rivalry" September 6, 2008 (2008-09-06)
When downtown turns into the site of the bug-battle of the century (insects vs. arachnids), it’s up to Ty and Abby to take down Insectiva and her hated twin sister, Arachnidia (after all, arachnids eat insects). But that’s not gonna happen if they can’t get over their own bad case of sibling rivalry!
28 "Flushed Away" September 7, 2008 (2008-09-07)
When alligators start showing up in people’s toilets, doing your business becomes risky business. But, gators in the sewers are just an urban myth – they just couldn’t survive down there. Something fishy (reptilian) is definitely going on! Maybe it has something to do with the inventor, T.P. Skinner, selling the Gator-Guard 5000,a gator in the toilet trapping system?? Or could it be something else?
29 "Vertigo A Go-Go" September 20, 2008 (2008-09-20)
Abby’s got some serious vertigo ... courtesy of Lance Boil. Thanks to a tiny nano-device lodged in her inner ear, Lance’s got complete control of every move she makes. Lance looks to be the victor ... unless Ty “Ear Wax” Archer can stop him. With ears brimming with wax, Ty’s immune to Lance’s control. Too bad he’s not immune to his toughest opponent yet, Abby!
30 "Sloppy Joe to Go" September 27, 2008 (2008-09-27)
After renouncing his time of evil, and gross, crimes, Sloppy Joe’s found his perfect business venture – a fast food joint. And business couldn’t be better, well, the trash business! His portions are so big that half of the food is thrown away. Joe’s sitting on a garbage gold mine ... until his stuffed secret tunnels burst and it starts raining garbage. Now it’s up to the Grossologists to solve the garbage crisis. That’s if they can get up off the couch – they’ve been stuffing their faces with Joe’s unhealthy meal deals.
31 "Hairless Whispers" October 4, 2008 (2008-10-04)
When a disgruntled former hair stylist (Frederick Follicle) with super-powered body hair launches a hair removal satellite into space, things look bad (bald) for the Grossologists. If they can’t put a stop to his plan, no one’s going to have a bad hair day ever again!
32 "Stinko" October 11, 2008 (2008-10-11)
There’s a heat wave on ... and there can’t be anything worse in a heat wave than Sloppy Joe. How about Sloppy Joe, no water (thanks to Sloppy Joe clogging the reservoir drains with his armpit hair) and no deodorant (thanks to Sloppy stealing all of it)?? More? How about everyone slathering on Sloppy Joe B.O. sticks, thinking they're deodorant sticks? Even more? It’s up to germ & stink terrified Lab Rat to save the day! Okay, that’s bad!
33 "Mold Monster" November 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 a-n-d so long secret identity - or can they figure a way out of this mess?
34 "When Allergies Attack" November 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. Also, Abby becomes one of the populars, with all the popularity going completely to her head. That is, until Lance Boil decides to drop a giant Allergy Bomb on this year’s Carnival crowd. Achoo!
35 "Pussed Off" November 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 puss-villain team up. But who’s the mysterious “Pustulator”? Maybe it’s someone we already know!
36 "Ask the Dust Mites" November 22, 2008 (2008-11-22)
Lab Rat invents a shrinking ray to shrink the villains but he accidentally made giant dust mites. Afraid to lose his friends trust Lab Rat tries to stop his own problem but he has another problem he accidentally shrinks Paige. Meanwhile Ty and Abby suspect Arachnidia for the dust mite problem and decide to track her down.
37 "Turd Wars" November 29, 2008 (2008-11-29)
When an army of giant dung beetles pushing enormous balls of poop (with Sloppy Joe along for the ride) are about to invade, who you gonna call?? The Grossologists! And if giant dung beetles, Sloppy Joe and poop wasn’t enough, Insectiva’s part of the plan as well. Now that’s one stinky assignment!
38 "Spa Insectiva" January 21, 2009 (2009-01-21)
When an ultra-exclusive spa opens, everyone goes gaga for its new line of creams, gels and oils ... too bad their all bug based and created by the Insect Queen herself, Insectiva! And guess who’s won a free trip to the spa? Petunia Archer, Professor of Entomology, fellow bug aficionado ... and creator of a new insect repellant! Uh oh!
39 "Ain’t Over Till the Fat Man Sings" January 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. Now it’s up to Ty and Abby to get Lab Rat’s powerful new antacid into the opera star before he blows (burps) them away.
40 "Candy Isn’t Dandy" February 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! But when the students at Ringworm High come down with a major case of halitosis, something sour is in the air (and it’s not just their breath)! Could it have something to do with sweet Gary Gumdrop?
41 "Swamp Gas" February 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! They have something more earthly in mind, especially when the balls of light turn out to be Swamp Gas. But when a giant one-eyed mechanical monster attacks them in the swamp, it might be time for a second opinion. After all, who else who want to turn off the lights????
42 "Squirm" February 20, 2009 (2009-02-20)
It’s time for an Archer Family father-son and mother-daughter adventure. While Abby and Petunia take on some extreme sports, Ty gets stuck on a fishing trip that he wishes he could have squirmed his way out of . . . especially when he and Harvey end up surrounded by giant angry worms!
43 "New Recruits" February 27, 2009 (2009-02-27)
When a suspiciously simple capture of Lance Boil turns into a puss-filled trap, the captured Grossologists and Boil take a trip down memory lane revealing how Ty and Abby first joined the team and how Lance became The Boil! Hopefully, there’s a clue in the past to get them out of their present dilemma, stopping Lance from fooding the city with pus!
44 "Pinkeye & The Brain" March 6, 2009 (2009-03-06)
Lance Boil’s been kidnapped . . . and there’s 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.
45 "Pinkeye’s Revenge (Part I)" March 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!
46 "Pinkeye’s Revenge (Part II)" March 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 one person that can save the day . . . Roger Pinkeye himself! Uh oh!
47 "Fangs A Lot" June 15, 2009 (2009-06-15)
When Professor Skinner’s newest creation, Slitherbuddies (cute, genetically modified little snakes) hit the stores, everyone goes bonkers for them. So bonkers, 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!
48 "Hirsute Yourself" June 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!
49 "The Fart Side of the Moon" July 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 gasiest 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?
50 "Night of the Living Roadkill" October 24, 2009 (2009-10-24)
Darko Crevasse returns with an eye to ruin Halloween using an army of zombie roadkill animals!