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 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.

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

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

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.

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

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 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.

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

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.

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.

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.

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

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.

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

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.

ليس لدينا نظرة عامة مترجمة باللغة الإنجليزية. ساعدنا في توسيع قاعدة البيانات الخاصة بنا عن طريق إضافة واحدة.

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

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.

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.

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.

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.

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.

When Susan and Mary turns Johnny into a fish as part of one of their experiments, Hugh flushes him down the toilet by mistake where he ends up in the sewer, and he has to swim for his life when he runs into an alligator.

Johnny ditches school with a relentless truant officer in hot pursuit.

Dark Vegan once again tries to destroy Johnny, who is trying to cheer up lonely Repto-Slicer.

Hugh wants to train Johnny to be good at sports so that he could get a sports scholarship to college.

Johnny, his friends, and his enemies all compete in a boat race against an arrogant rowing team.

Johnny is determined to get a flytrap plant from his sisters for his school's science fair.

Johnny is finally old enough to participate in Porkbelly’s Annual Running of the Squirrels, but he has to get past Lila, who thinks it’s too dangerous, despite performing many dangerous attempts on her son to stop him.

Johnny, the twins and Lila realize it’s Father’s Day, and they don’t have a gift. They try many disastrous attempts, making Hugh wish they had never remembered!

Johnny wins an ocean cruise for him and his family, but it turns to be just a trap by Bling-Bling Boy, who deliberately crashes the ship so he can romantically save Susan.

Johnny tries various schemes to buy an M-rated video game, not knowing what the consequences will be.

After Johnny and Dukey track mud in the house, they use a special stain-remover designed by Susan and Mary, but also learn it can make Johnny invisible.

Tired of all of the Johnny vs. Bling Bling battles with no winner, the Test sisters and Bling-Bling's science team make a bet to see who is the final winner of the battles.

Johnny and Dukey bring characters in a science-fiction movie to life with Susan and Mary's 3-D glasses, and now the aliens in the movie want to conquer the Earth.

Mary turns Johnny and Dukey into sharks when Bling Bling Boy hypnotizes Susan into falling in love with him.

A time-traveling mishap sends Johnny and Dukey back to the 1950s.

Johnny wants to increase his charisma when he becomes jealous of Gil's popularity.

Johnny uses his sisters' genetically altered rat for a school project, only to have it stolen by a desperate circus owner to save his failing show.

Johnny and Dukey help Mr. Black and Mr. White catch a runaway robot dog before it explodes.

Johnny, his friends, and his enemies compete with each other in a lawn mower race.

Johnny "borrows" his sisters' worker drones to build the ultimate treehouse to impress Sissy, but ultimately ends up failing.

When Johnny is ordered by his school to go camping with his father, he uses his sisters' ray gun to turn Dukey into a monster to scare his father out of it, only to have Bigfoot fall in love with monster Dukey.

Johnny competes with his family, his friends, and his enemies in a prank war. Error: When Johnny said to Dukey an escape plan, Dukey said look it's Gill.When Mr. Mittens [ aka.Super kitty prakster S.P.K. for short.] said I can't beleve you fell for it meanen it was a prank.

Aliens from a meat-themed planet ask Johnny to protect their home world from Dark Vegan who wants to destroy it out of frustration because of his failure to make the perfect toast.

The Super Smarty Pants possesses an Eskimo to get to Johnny, where it kicks him away and possesses Johnny, making him the smartest kid in school. Not wanting to be outsmarted, his sisters go to great lengths to de-pants him.

Susan and Mary make a key for Johnny that can open any lock in Porkbelly, but people try to steal it for their own benefits.

When Johnny's mom makes him wear a big winter coat, he is teased at school. However, Mr. Black, Mr. White, and the General ask Susan and Mary to make some sort of weapon to destroy aliens if they ever attacked, so they make Johnny's jacket the weapon.

Tired of Johnny's constant lying, Susan and Mary attach a second mouth to him that does nothing but tell the truth.

Susan swaps bodies with Johnny so that she and Mary can get a men-only science award.

Johnny accidentally turns his sisters into vampires, and has to save Gil from getting bitten by his lovestruck vampire sisters and change them back.

Johnny eats all of the peach yogurt, not knowing that each container is filled with growth serum, and becomes a Hulk monster, causing destruction.

Johnny spends the night in a haunted house with Dukey and Jillian to win a ton of candy.

Johnny stays up half the night to watch a six-hour Halloween monster-movie marathon, then steals his sisters' dream machine (thinking it to be an alarm clock) so that he will be able to wake up in time for school the next day; however, he has nightmares during the night which the device brings to life.

Tired of Johnny's repulsive eating habits, Hugh challenges him to a bet to see if he can go one full meal without complaining about his food or making rude noises.

When Johnny and Dukey get tired of the same old Porkbelly, they ask the girls to make it seem more fun. But they accidentally get sent to an alternate universe where they find that everyone (including themselves) is the opposite gender.

Johnny and Dukey try to escape when they are imprisoned by Wacko in a video game.

Susan and Mary turn Johnny and Dukey into girls so that they can win the grand prize at a roller derby match, but things quickly get difficult when a blow on the head gives Dukey amnesia, and he thinks that he is a real derby queen.

The Tests try to get Johnny a new toy when it sells out in the local shopping mall.

Johnny invites everyone to his house for a snowball fight, but forgets to put the word "fight" on the invitation, which misleads everyone into believing it's actually a "Snow Ball" dance.

Johnny heads to summer camp and battles in a boating competition against rival rich-kid campers.

Johnny's dad gets fed up with his filthy bathroom and demands Johnny to clean it up but when Johnny uses his sisters' special germ foam and his dad's cleaning products, problems arise as it causes the germs to grow out of control.

Johnny is determined to break a world record so he can get into the Frothy Book Of Crazy, Inane & Useless Records.

Johnny, his friends, and his enemies take on a snooty rich boy in a dog sled race.

Johnny, Dukey, and the girls set out to find the treasure of Pie-Eyed Pat when they find his treasure map in the attic.

Johnny must do some extra credit for school, or he will fail the course and have to make it up in summer school.

When Johnny breaks his foot in a dangerous stunt, which Hugh and Lila ground him for, his sisters step up to create a robotic one for him.

Angry at Johnny for having Wacko put in jail, his brother The Tickler decides it's time for him to stop Johnny once and for all, so he kidnaps Susan and Mary and takes their lab, forcing Johnny to seek help in unexpected places.

Johnny and Dukey try to catch bugs, only to come upon a ladybug with a voracious appetite.

Bling-Bling tries to get Susan once again, but his henchmen soon rebel against him by tying him up with Susan.

Sick of cheap cereal prizes that don't work, Johnny decides to make himself a new breakfast cereal. But everything goes haywire when Johnny decides to put in real ray guns made by his twin sisters, and the entire town of Porkbelly becomes a city of chaos and destruction of what anyone chooses to destroy.

When Dukey's DNA begins to degrade, reverting him into a normal dog, the girls attempt to upgrade it, but their upgrade goes overboard, turning Dukey into a rich, snooty dog.

Johnny tries to prove to Sissy that he can do magic so he gets his sisters to help him.

Johnny disagrees to help the girls test experiments so they create a special doll that can control Johnny but Johnny seeks revenge and creates special dolls that can control the girls.

Johnny becomes Speed McCool's new stunt man.

Black and White get into trouble in outer space and the kids must save them.

Johnny and Dukey go back in time to meet Johnny's ancestor in order to write a report about him.

The Tests become rich when they sell one of Susan and Mary's inventions, but Bling Bling is jealous and goes to war with them.

Johnny visits Reptoslicer and his family, but Reptoslicer then tries to eat Porkbelly.

When Earth Day approaches, Johnny is visited by three ghosts.