- 1
Johnny on the Clock
Johnny hopes to extend summer vacation with Susan and Mary's time-stopping watch.
- 2
Johnny X-Factor (JX10)
Johnny X battles Boy Drone X.
- 3
Johnny Vets Dukey
Johnny chases Dukey, who refuses to go to the vet.
- 4
Johnny's No. 1 Fan
Johnny takes on Dark Vegan with help from a fan.
- 5
How to Train Your Johnny
Susan and Mary accidentally wipe Johnny's memory.
- 6
Johnny and Clyde
Susan and Mary's orangutan becomes a crook after watching old movies with Johnny. (NOTE: This is a parody of Bonnie and Clyde.
- 7
Johnny's Super Massive Kart Wheelies 7
Johnny and the gang race in their video-game carts.
- 8
Smooth Talking Johnny
Johnny swipes the girls' voice-replicating invention and ends up turning them against each other.
- 9
Johnny and the Beanstalk
A giant cereal stalk takes Johnny and friends on a magical adventure.
- 10
Johnny and Bling-Bling Bond Bond
Johnny tries to teach the grounded Bling Bling how to be a regular kid.
- 11
Johnny's Got Talent
Johnny takes up ventriloquism for a talent contest.
- 12
Johnny's Rough Around the Hedges
Johnny and Bling Bling sculpt topiaries after their parents force them to take up less destructive hobbies.
- 13
Johnny's Head in the Clouds
The General puts Johnny and his friends under house arrest right when an awesome air show heads into town.
- 14
Stop in the Name of Johnny
Johnny is late to class again, and he gets a visit to the principal's office which unexpectedly leads into Johnny becoming the new hall monitor of the school, due to someone named the Speedster (who is literally a speedster) delaying kids from getting to their classes. Johnny interrogates the school bully Bumper, who reveals the Speedster to be Sissy Blakely, so he "borrows" Susan and Mary inventions to try to catch Sissy.
15Johnny Opposite
Johnny steals Susan and Mary's generator and makes his family do the opposite of what they're doing.
16Johnny on the Job
Johnny's dad thinks he's not needed in the house so he decides to get a job. When nobody hires him, Susan and Mary make a fake office for their dad to work in.
- 17
Johnny's 100th Episode
The girls test their new fantasy spray on Johnny which sends him into a coma. The girls and Johnny's friends must revive him back into reality.
18Johnny's Next Episode
Bling Bling Boy sprays fantasy spray on everyone (including himself) and they all turn into fairy tale characters.
19Johnny's Supreme Theme
Real life becomes a movie after Johnny and Dukey get their hands and paws on the girls' latest invention.
20Past and Present Johnny
Johnny and Dukey visit the 1980s to get to the bottom of a video-game mystery.
21The Sands of Johnny
Sissy and Johnny face off in a sandcastle battle.
- 22
Abominable Johnny
Johnny and Dukey locate the Abominable Snowman during a ski vacation.
- 23
Johnny vs. the Dukenator
Johnny must rescue Dukey, who falls under the control of a dog-spa owner.
- 24
Johnny's Petting Zoo Posse
Johnny and his friends take on Mr. Mittens when he turns them, the girls, the general and Black and White into petting zoo animals as part of his latest evil plan.
- 25
The Johnny Who Saved Halloween
Johnny and his friends enter a Halloween contest in hopes of winning a big candy prize.
- 26
Johnny's Zombie Bomb
A love potion goes haywire and turns people into kissing zombies.
- 27
Johnny's New Super Mega Villain
A new villain arrives in Porkbelly and steals high-tech devices from everyone, and Johnny must stop it.
- 28
Johnny in Charge
Johnny stays home alone and must prove he's responsible.
- 29
Johnny Unplugged
Johnny taps his video-game skills to save the family during a perilous hiking trip.
- 30
Johnny's Monster Mash
Monsters created by the girls' experiments take aim at Porkbelly.
- 31
Johnny's Chipmunk Chit Chat
Chipmunks plot world domination after a misleading chat with Johnny.
- 32
A Picture's Worth 1000 Johnnies
Chaos erupts at the mall when the Tests try to pose for a family portrait.
- 33
Dial J for Johnny
Johnny and Dukey prank call historical figures using the girls' time machine.
- 34
Road Trip Johnny
The Test family take a road trip to Upchuck Geysers.
- 35
Code Cracking Johnny
Johnny and Dukey cheat their way to victory in the Red Gush contest.
- 36
Johnny Goes Viral
Johnny has unlimited knowledge after the girls insert a computer chip into his brain.
- 37
FrankenJohnny
Johnny and Bling-Bling fall apart after an accident with the particle accelerator.
- 38
The Johnny Express
Johnny runs into trouble delivering a package for the girls.
- 39
Crash Test Johnny
Johnny quits as the girls' test subject and quickly regrets his decision.
- 40
Johnny's Junky Trunk
Mr. Test donates Johnny's toys without asking.
- 41
Super Johnny Action Federation
Johnny and the gang acquire super powers and compete to see who is the best superhero.
- 42
Gil-Stopping Johnny
Johnny goes to extreme measures to prevent Gil from moving.
- 43
Johnny With a Chance of Meatloaf
The kids make a vow to end Dad's meatloaf madness.
- 44
It's Easter, Johnny Test!
Johnny must save Easter from the annual Easter-egg hunt ruined by Dark Vegan.
- 45
Future Johnny
Johnny meets his future self.
- 46
Dukey See Johnny Do
Johnny loses his sight.
- 47
Hair's Johnny
Johnny is accidentally turned into a werewolf.
- 48
Johnny's Hungry Games
All the pizza goes missing and Johnny must get it back.
- 49
Tiny Johnny
Johnny and Dukey try to catch a mouse.
- 50
Johnny Goes Gaming
Johnny and Dukey are trapped in a video game.
- 51
The Last Flight of Johnny X (JX11)
Johnny X and Super Pooch lose their superpowers when the city is attacked.
- 52
Johnny's Last Chapter
Johnny and Dukey are sucked into a history book.