Every season of Johnny Test ever, ranked from best to worst by thousands of votes from fans of the show. The best seasons of Johnny Test!

Things have been mysteriously disappearing underground, making Johnny and Dukey believe that the people behind this are "mole people". When Johnny accidentally loses his dad's new camera, he must journey to the center of the earth to retrieve it before dinnertime, or he will be grounded.

Johnny to the Center of the Earth

Susan and Mary give Gil a piece of their special love "bubble gum", but by accident, it makes him transform. In order to save Gil and the others in pork belly, they have to give Johnny and Dukey some cool super powers.

Johnny X

Bling-Bling Boy has stolen a device that turns things into gold and Johnny must get it back before dinnertime.

Johnny vs. Bling-Bling Boy

Johnny tries to get his baseball back from an old man before the baseball game starts.

Johnny Impossible

Susan and Mary are having a party and use a device on Johnny in order to make him look good so all the girls at the party will love him, but Johnny turns into a monster.

Johnny Test: Party Monster

The Extreme Teen Team are on the loose and it's up to Johnny to bring them down.

Johnny Test: Extreme Crime Stopper

Johnny uses an invention to breathe underwater, yet sharks and electric eels begin to walk on land and wreak havoc to the beach.

Deep Sea Johnny

Bling-Bling Boy steals a backpack and Johnny must retrieve it so Susan and Mary can show it off at the school science fair.

Johnny and the Amazing Turbo Action Backpack

Johnny goes back in time to ask Thomas Edison for a hockey invention and then to gather all of the vicious and ruthless "legends" he could find, in order to form a hockey team which will help the Ice Pigs win a game.

Johnny and the Ice Pigs

Johnny fills the house with some of Hugh's favorite things listed in his notebook. However, Johnny learns that the book was also full of Hugh's least favorite things (most of them scary.) To make matters worse, Lila's boss is coming over for dinner that night.

Johnny’s House of Horrors

Johnny wears super smarty pants in order to win the love of a genius girl, Janet Nelson Jr. But later, the pants get a mind of their own.

Johnny’s Super Smartypants

Johnny sneaks into Lila's car along with Susan and Mary on Take Your Daughter to Work Day, thinking that it's unfair that girls don't have to go to school on this day, but boys do. When the kids get to Lila's workplace, they sneak into a lab and accidentally release a missile.

Take Your Johnny to Work Day

Johnny brings a toy, Nasteria, to life. But the toy decides to destroy Porkbelly. Now Johnny needs to stop the evil action figure with a toy force, led by Nasteria's arch enemy, Mega Roboticle.

Johnny and the Mega Roboticles

Johnny steals a rocket his sisters made to travel to the moon so he can write his report. Unexpectedly, he battles some moon monsters and rescues Canadian astronauts.

Johnny Gets Mooned

Johnny uses a gadget to travel into a movie, The Quickest and the Monkiest. But what happens when the gadget gets stuck and the movie has a bad ending?

Johnny Hollywood

Johnny's sisters invent a time rewinder that can go back up to 5 minutes and they use it to get Johnny in trouble. Infuriated, he tries multiple times to steal this, but he fails; eventually, he gets a similar one from Bling-Bling Boy.

Johnny's Turbo Time Rewinder

Johnny becomes Johnny X again in order to take down Bling-Bling's latest evil invention, Repto-Slicer.

Return of Johnny X

Johnny and Dukey try Susan and Mary's ultimate scooter and are wanted in the future.

Sonic Johnny

Susan and Mary put a device on Dukey, making him respond to their every command. Now Johnny must stop Susan and Mary, and get his best friend back.

Dog Days of Johnny

Johnny uses a device to free everyone of zits.

Johnny's Pink Plague

Johnny uses his game controller to control people, but Hugh gets his hands on it and begins affecting Johnny in the process.

Johnny's Extreme Game Controller

Johnny accidentally shrinks himself and Dukey into a sub-atomic universe while shrinking his toys. Unexpectedly, its nature turns against him.

Li'l Johnny

A kid at Susan and Mary's school becomes a villain named Brain Freezer. Now Johnny must stop this villain and unfreeze everyone he froze.

Johnny vs. Brain Freezer

Johnny uses a device in Susan and Mary's lab to make it snow outside.

Johnny's Big Snow Job

Johnny uses a bionic arm to magnify his arm strength to beat Sissy at dodge ball. However, it breaks after being exposed to cereal.

Johnny Dodgeball

Eugene brings a living monster truck to the Test house, and it began to be enraged after Eugene kicked it because it didn't win Susan's heart. Now the truck wants to destroy the entire monster truck species. It's up to Johnny to figure out how to stop it.

Johnny and the Attack of the Monster Truck

Johnny and Dukey must help a pathetic pirate, Nobeard, take down his powerful brother pirate, Blackbeard, and impress his father, Greybeard. Johnny goes back to the future to get his sisters' help.

Hoist the Johnny Roger

An evil toymaker named Wacko gives out robots to all the children of Porkbelly, which imprison them. The gang seeks assistance from the Turbo Toy Force.

Johnny's Turbo Toy Force

Johnny starts his own channel over a channel which only broadcast emergencies and tests. Later, the army needs the channel for a runaway plane.

Eugene creates a device that turns himself, Johnny, and Dukey into young children, interfering with Johnny's video game showdown with Sissy.

Johnny vs. Bling-Bling Boy 2

Johnny makes a theme park called Johnnyland in the backyard. However, Hugh demands the park be torn down, later stumbling into an unstable ride with Lila.

Johnnyland

Hugh's constant sayings of "no" begin to infuriate Johnny, so, with Susan and Mary's help, they make a new one. However, when the new dad gets exposed to the plutonium he got for Susan and Mary, things start to turn out ugly.

Johnny's Got a Brand New Dad

Johnny is trying to have the perfect Saturday, but Sissy ruins it by trying to practice William Tell archery on Johnny. Johnny then uses Susan and Mary's Saturday Repeater machine to try again.

Saturday's Alright for Johnny

Johnny, Dukey, and the sisters go to an ice cream factory, in order to get the recipe for mint chip ice cream which Johnny and Dukey can't stop eating.

Johnny Mint Chip

Dukey gets jealous when Johnny takes Repto-Slicer to school for pet day and not him. However, this lands him into danger of becoming a TV star.

Johnny's Pet Day

An accident in Eugene's lab leaves Johnny overweight like him. Johnny uses his weight to become a rapper and to get a video game that he wanted. However, karma is after him and ruins his experience.

Phat Johnny

Johnny and Dukey must rescue Susan from Bling-Bling Boy in the forms of Johnny X and Super Pooch. Little do they know she doesn't want to be rescued, as Bling-Bling Boy has taken her on a cruise bot with a swimming pool, movie theater, anti-gravity chamber, video arcade, and her favorite restaurants among other luxuries.

The Revenge of Johnny X

Johnny and Dukey catch rainy day boredom, and use one of the sisters' devices, thinking that it is an inter-dimensional travel machine, and go into a land known as Johnnia.

The Enchanted Land of Johnnia

Johnny makes 100 robot clones in order to do his chores for him, but the clones become defective soon after.

101 Johnnies

Johnny brings Porkbelly's founders back to life in order to help with his report.

Johnny Zombie Tea Party

Johnny and Dukey shrink themselves, and end up in Mr. Black's stomach and brain to make him forget that the General told Mr. Black and Mr. White to spy on Susan and Mary to stop them from doing dangerous experiments.

Johnny Test in Black & White

Johnny and his family go on vacation to a dude ranch on Susan and Mary's choice, but it is invaded by an outlaw motorcycle club shortly after they arrive. With the help from Bling-Bling Boy and Gil, both whom have also been taken a trip to the ranch, the Tests resolve to stop the bikers from ruining their fun and take back their holiday.

Johnny the Kid

Johnny goes to the Behemoth, the ultimate downhill ski resort. However, he has to find ways to go downhill since the ski captain doesn't let kids go.

Downhill Johnny

It is a hot day and Johnny's family cannot seem to find a place where they can cool off and get wet. They go to Lake Pork-Ness, which is rumored to have a monster inhabitant. Susan and Mary believe that the idea is a total myth and try to prove there are no monsters in the lake.

Johnny Meets the Pork-Ness Monsters

Five evil villains who have been defeated previously by Johnny (Wacko, the Bee Keeper, Brain Freezer, Mr. Mittens and Albert the butler) team up and kidnap him. Now it's up to Susan, Mary, Dukey, Bling-Bling, Gil, and Bumper to save him.

Johnny X Strikes Back

Susan and Mary create Gil cyborgs to make Gil jealous but they try to eliminate Gil and anyone in their path. It's up to Johnny to stop them. Meanwhile, the girls keep Gil "safe" in a box in their lab.

Johnny vs. Super Soaking Cyborgs

Tim Burnout steals blueprints of the girls' original plan to alternate Dukey and uses it on his cat, Mr. Mittens. But he becomes evil and now it's up to Johnny and Dukey to stop him.

00-Johnny

While on a class trip to the safari park with Dukey disguised as Johnny's dad, Johnny and Dukey decide to help animals get to their homeland in Africa.

Johnny of the Jungle

While trying to figure out some cheat codes from his video game, Johnny accidentally brings Smash Badger to life.

Johnny vs. Smash Badger 3

The Bee Keeper steals all the candy in Porkbelly and it's up to Johnny, Dukey, and the girls to stop him.

Johnny Bee Good

To control Johnny's frequent bad behavior, the girls split his bad genes to make his genes 100% good. The bad gene later gets a life of its own, making two Johnnys, one nice and one evil.

The Good, the Bad & the Johnny

Dukey keeps Johnny up all night with his pillow fights and Johnny goes to the sisters to get some sleep. But Johnny misfires and causes his parents to go sleepwalking.

Rock-a-Bye Johnny

When Eugene finds out that Johnny is what stands in the way of him and Susan, he sets out to lock Johnny up forever as he tries to get the last ingredient for his sister's "Susan-hating lozenge".

Johnny vs. Bling-Bling Boy 3

Johnny wants to buy an HDTV and the twins need an important ingredient for their experiment. The only solution: Enter Johnny in a professional wrestling competition so they can win $10,000, so they make Johnny a wrestling suit which allows him to spray stink gas from his suit.

Stinkin' Johnny

Brain Freezer creates an army of snowmen, and only Johnny X can stop him.

Johnny X and the Attack of the Snowmen

After Johnny and Dukey send Bumper packing, they start to come against each other in a game of "Say Uncle".

Johnny vs. Dukey

Fed up with the lack of respect, Dukey has convinced Mary and Susan to turn Johnny into a dog. In the meantime Mary and Susan turn themselves into animals so they can get loved by Gil. It all goes wrong when Animal Control arrives and snatches them.

Here Johnny, Here Boy

After hearing about American heroes in Social Studies class, Johnny decides to help his classmates by bringing back applesauce as a vigilante after the Lunch Lady outlaws it. However, this lands him into trouble.

Johnny Applesauce

Johnny and Dukey are transported into their favorite video game, Tiny'Mon, but they end up trapped and must defeat Blast Ketchup, and his Tiny'Mon Kadoomerang, to get back home, with only the seemingly useless Cuddlebuns for protection.

Johnny'mon

Johnny refuses to bathe, and his family forcibly attempts to wash him. Meanwhile, Dukey is mad because he thinks Johnny forgot his birthday.

Bath Time for Johnny

Mr. Black and Mr. White ask Susan and Mary to design a new weapon, so they make a helmet that allows the user to control things with their mind. But it becomes a huge mistake when it's stuck on Johnny's head, and his obsession with a new video game now makes any inanimate object he sees turn into a monster.

Johnny Test: Monster Starter

Johnny is upset because the holidays that give free candy to the world are spread too far apart, so Johnny decides to start his own holiday, known as Kids Get Free Candy Day, and try to spread free candy. When there are some adult protests against this holiday, Johnny, Dukey, Susan, and Mary gain an unlikely ally against this – the Beekeeper.

Johnny Holiday

When Dukey explains how narration makes everything seem better, Johnny convinces Susan and Mary to make a reality warping megaphone, but it malfunctions.

Coming to a Johnny Near You

Johnny buys a video game which turns out to be a military plot to recruit an elite team of super soldiers, and then he must join the fight against a group of renegade penguins who are losing their home to global warming.

When Johnny Comes Marching Home

Johnny drinks an unstable isotope so he can get sick and not have to study for a test for school. Unfortunately, not only does the isotope give him red spots and a purple tongue, if it's not cured within four hours, it's going to give him immense bloating, cause violent coughing, and eventually make him explode.

Johnnyitis

Johnny has his sisters use an invention that will give him a mustache so that Johnny can get into a movie meant for older people. But when Bling Bling Boy pesters Johnny to use the invention on him, Johnny shoots the invention at him too much and now Eugene looks like the monster from a movie.

Johnny Mustache

When Bumper uses kung fu moves to take over the school, Johnny seeks Dukey's kung fu advice, but to no avail.

Johnny Fu

Bling-Bling Boy steals Susan and Mary's shoes, and it is up to Johnny and a reluctant Dukey to retrieve them before their dinner with Gil.

Johnny Escape From Bling-Bling Island

Susan and Mary need to get Lolo away from Johnny and Dukey for various tests when they try to make a profit out of her in order to get a video game system.

Johnny's Monkey Business

Johnny must make a bench for woodshop class or he goes to summer school.

Johnny Bench

Doggone doggy adventures result when Susan and Mary fashion a mind-controlling obedience collar to tame Dukey's bad behavior. Then, the girls invent an acne cream.

Johnny Long Legs

Johnny Test in Outer Space

All Johnny and Dukey want is a simple bike race between the two of them; but everyone joins the race.

Johnny Kart Racing

Johnny and Dukey test a perfume experiment and now everyone is attracted to them. They use this to their advantage, but it goes out of control.

Johnny Smells Good

Seeking revenge, Blast Ketchup sucks Hugh into the Tiny'Mon world, trying to suck Johnny in. Thinking he is one of Johnny's Tiny'Mon, he captures him. Johnny, Dukey, Susan, and Mary must stop him. To re-exit the game, they must win another battle with Blast.

Return of Johnny'mon

When a condemned hotel gets haunted by ghosts Susan and Mary drag Johnny, Dukey and Gil into the house to prove that the ghosts are fake.

Johnny Dukey Doo

It's time for the Earth Day Carnival and the Johnny Stopping Evil Force 5 (with Zizrar replacing the Beekeeper) returns and obtains the same mutant powers as Johnny X, and Super Dukey.

Johnny X: A New Beginning

Following the events right after "JX6-a: A New Beginning" Dark Vegan returns to destroy the Earth with an upgraded armada. Dark Vegan, with his upgrade armada, is cutting up the Earth's trees, taking off the oxygen and sucking up the Earth's water. Johnny, Dukey, and the Johnny Stopping Evil Force 5 team up to stop Dark Vegan and return the Earth's resources.

Johnny X: The Final Ending

Susan and Mary purposely turn themselves into babies while the parents are out, and Johnny has to keep them safe from the irresponsible babysitter Gil; this interferes with a party he and Dukey had been planning.

Johnny's New Baby Sisters

Johnny tricks his sisters into letting him have teleporting powers. Susan and Mary mess with the powers to get revenge. Later the twins accidentally get them caught in a middle of an art robbery.

Porta Johnny

After Johnny lands his bike into a garbage truck, he becomes a Lady Bird Scout and tries to sell 1,000 boxes of cookies to get a new one. Little does he know, Sissy wants the bike as well, but for a better reason.

Join the Johnny Scouts

Johnny goes back in time in order to get a sloth bone for the twins, but when he returns he becomes a caveman, interfering with his grounding from selling Hugh's personal items.

Johnny BC

Johnny and Dukey run away when Johnny's parents say he's old enough to do chores but not old enough to watch PG-13 movies.

Runaway Johnny

Johnny steals a portable black hole, which later creates an early apocalypse.

Johnny on the Spot

Johnny joins forces with Dark Vegan to get him back to his home planet.

Dark Johnny

Susan and Mary build Johnny a robot in order to help him do his homework, but the robot ends up stealing things for Johnny.

No Homework for Johnny

Susan and Mary switch Johnny and Hugh's brains after the two make a bet that involves taking on each other's lives.

Papa Johnny

Johnny and Dukey try to get in a dog show which only allows perfectly groomed and trained dogs.

The Johnnyminster Dog Show

Dukey drinks a liquid which makes him turn into a monster. To make matters worse, a dog catcher (and later Mr. Black and Mr. White) are after him.

Dukey Jekyll and Johnny Hyde

Johnny wants to get a trophy to put in his trophy case. Susan and Mary get obsessed with winning, so the three of them enter The Pork Belly River Jumpoff to win 1 million dollars and a trophy.

Johnny's Trophy Case

Susan and Mary make fortune cookies that come true, and Johnny sells them with the typical drastic results.

Johnny's Amazing Cookie Company

The twins' latest invention accidentally makes them dumb thanks to Johnny right before their scholarship interview.

Johnny's Big Dumb Sisters

Johnny gets hired to stop Bling-bling from kissing Susan, but Johnny turns on the sisters once Bling-Bling bribes him.

My Johnny Guard

Johnny turns into a mouse for Susan and Mary, but when Mr. Mittens comes, things get chaotic. This episode is a parody of Tom and Jerry.

Tom and Johnny

Johnny tries to get invited to a party to stop a villain. NOTE: Susan and Mary don't appear in this episode.

The Quantum of Johnny

Mr. Whacko invents a new helium gum that lifts kids into the sky, and Johnny must save them.

Johnny Get Yer Gum

Johnny travels to 1845 when school was easier, but he gets stuck there because the power supplier to the Turbo Time Tea house hasn't been invented yet. The sisters and Johnny try to find outdated technology to power the tea house.

Old School Johnny

Johnny creates a magnetic force field on the Earth which makes Porkbelly the new north pole.

Johnny Degrees Below Zero

Johnny and Dukey get framed for stuff that Johnny and Dukey look alike robots (which Mr. Black and Mr. White made) do around Porkbelly.

Johnny Johnny

Johnny keeps attempting to ride down Suicide hill, but Susan and Mary keep redeeming Johnny's coupons.

Johnny Double Coupons

Young Johnny is gung-ho and full of courage. Johnny's brainiac twin sisters, Susan and Mary, use Johnny as their guinea pig for their outrageous scientific experiments. If they can dream it up, Johnny will do it; as long as his genetically engineered super dog, Dukey, can come along.

The Best Seasons of Johnny Test

The Best Seasons of Johnny Test

Season 2

Season 4

Season 5

Season 6

Season 1

Season 3