Episode 1
Johnny on the Clock
11m10.0 / 10
Johnny hopes to extend summer vacation with Susan and Mary's time-stopping watch.
Episode credits
Directed by John LeiWritten by Nathan Knetchel
TV series
Johnny Test
2005TV-Y76 seasons6.4 / 10
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.
Streaming, rental and purchase options
Where to watch in United States
Checked Jul 22, 2026
Johnny Test is available to stream on Netflix and Hoopla in United States. You can also rent or buy it from Google Play, Amazon, and Fandango at Home. Use the direct links below to open the provider.
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Synopsis
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.
Season 6 episodes
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Where to watch Johnny Test
Episode 2
Johnny X-Factor (JX10)
11m
Johnny X battles Boy Drone X.
Episode credits
Directed by John LeiWritten by Scott Fellows
Episode 3
Johnny Vets Dukey
11m
Johnny chases Dukey, who refuses to go to the vet.
Episode credits
Directed by John LeiWritten by Keith Wagner
Episode 4
Johnny's No. 1 Fan
11m
Johnny takes on Dark Vegan with help from a fan.
Episode credits
Directed by John LeiWritten by Rick Groel
Episode 5
How to Train Your Johnny
11m
Susan and Mary accidentally wipe Johnny's memory.
Episode credits
Directed by John LeiWritten by Neal Dusedau
Episode 6
Johnny and Clyde
11m
Susan and Mary's orangutan becomes a crook after watching old movies with Johnny. (NOTE: This is a parody of Bonnie and Clyde.
Episode credits
Directed by John LeiWritten by Nick Confalone
Episode 7
Johnny's Super Massive Kart Wheelies 7
11m
Johnny and the gang race in their video-game carts.
Episode credits
Directed by John LeiWritten by Mark Fellows
Episode 8
Smooth Talking Johnny
11m
Johnny swipes the girls' voice-replicating invention and ends up turning them against each other.
Episode credits
Directed by John LeiWritten by Marcy Brown, Dennis Haley
Episode 9
Johnny and the Beanstalk
11m6.0 / 10
A giant cereal stalk takes Johnny and friends on a magical adventure.
Episode credits
Directed by John LeiWritten by Dan Serafin
Episode 10
Johnny and Bling-Bling Bond Bond
11m
Johnny tries to teach the grounded Bling Bling how to be a regular kid.
Episode credits
Directed by John LeiWritten by Keith Wagner
Episode 11
Johnny's Got Talent
11m
Johnny takes up ventriloquism for a talent contest.
Episode credits
Directed by John LeiWritten by Brad Birch, Sean Jara
Episode 12
Johnny's Rough Around the Hedges
11m
Johnny and Bling Bling sculpt topiaries after their parents force them to take up less destructive hobbies.
Episode credits
Directed by John LeiWritten by Rick Groel
Episode 13
Johnny's Head in the Clouds
11m
The General puts Johnny and his friends under house arrest right when an awesome air show heads into town.
Episode credits
Directed by John LeiWritten by Nathan Knetchel
Episode 14
Stop in the Name of Johnny
11m
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.
Episode credits
Directed by John LeiWritten by Ethan Banville
Episode 15
Johnny Opposite
11m
Johnny steals Susan and Mary's generator and makes his family do the opposite of what they're doing.
Episode credits
Directed by John LeiWritten by Marcy Brown, Dennis Haley
Episode 16
Johnny on the Job
11m
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.
Episode credits
Directed by John LeiWritten by Dan Serafin, Neal Dusedau
Episode 17
Johnny's 100th Episode
11m
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.
Episode credits
Directed by John LeiWritten by Scott Fellows
Episode 18
Johnny's Next Episode
11m
Bling Bling Boy sprays fantasy spray on everyone (including himself) and they all turn into fairy tale characters.
Episode credits
Directed by John LeiWritten by Scott Fellows
Episode 19
Johnny's Supreme Theme
11m
Real life becomes a movie after Johnny and Dukey get their hands and paws on the girls' latest invention.
Episode credits
Directed by John LeiWritten by Derek Dressler
Episode 20
Past and Present Johnny
11m
Johnny and Dukey visit the 1980s to get to the bottom of a video-game mystery.
Episode credits
Directed by John LeiWritten by Dan Serafin, Neal Dusedau
Episode 21
The Sands of Johnny
11m
Sissy and Johnny face off in a sandcastle battle.
Episode credits
Directed by John LeiWritten by Keith Wagner
Episode 22
Abominable Johnny
11m
Johnny and Dukey locate the Abominable Snowman during a ski vacation.
Episode credits
Directed by John LeiWritten by Doug Lieblich
Episode 23
Johnny vs. the Dukenator
11m
Johnny must rescue Dukey, who falls under the control of a dog-spa owner.
Episode credits
Directed by John LeiWritten by Aaron Barnett
Episode 24
Johnny's Petting Zoo Posse
11m
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.
Episode credits
Directed by John LeiWritten by Sean Jara
Episode 25
The Johnny Who Saved Halloween
11m
Johnny and his friends enter a Halloween contest in hopes of winning a big candy prize.
Episode credits
Directed by John LeiWritten by Rick Groel
Episode 26
Johnny's Zombie Bomb
11m
A love potion goes haywire and turns people into kissing zombies.
Episode credits
Directed by John LeiWritten by Nick Confalone
Episode 27
Johnny's New Super Mega Villain
11m
A new villain arrives in Porkbelly and steals high-tech devices from everyone, and Johnny must stop it.
Episode credits
Directed by John LeiWritten by Ethan Banville
Episode 28
Johnny in Charge
11m
Johnny stays home alone and must prove he's responsible.
Episode credits
Directed by John LeiWritten by Sean Jara
Episode 29
Johnny Unplugged
11m
Johnny taps his video-game skills to save the family during a perilous hiking trip.
Episode credits
Directed by John LeiWritten by Mark Fellows
Episode 30
Johnny's Monster Mash
11m
Monsters created by the girls' experiments take aim at Porkbelly.
Episode credits
Directed by John LeiWritten by Dan Serafin
Episode 31
Johnny's Chipmunk Chit Chat
11m
Chipmunks plot world domination after a misleading chat with Johnny.
Episode credits
Directed by John LeiWritten by Rick Groel
Episode 32
A Picture's Worth 1000 Johnnies
11m
Chaos erupts at the mall when the Tests try to pose for a family portrait.
Episode credits
Directed by John LeiWritten by Keith Wagner
Episode 33
Dial J for Johnny
11m
Johnny and Dukey prank call historical figures using the girls' time machine.
Episode credits
Directed by John LeiWritten by Derek Dressler
Episode 34
Road Trip Johnny
11m
The Test family take a road trip to Upchuck Geysers.
Episode credits
Directed by John LeiWritten by Ethan Banville
Episode 35
Code Cracking Johnny
11m
Johnny and Dukey cheat their way to victory in the Red Gush contest.
Episode credits
Directed by John LeiWritten by Keith Wagner
Episode 36
Johnny Goes Viral
11m
Johnny has unlimited knowledge after the girls insert a computer chip into his brain.
Episode credits
Directed by John LeiWritten by Nick Confalone
Episode 37
FrankenJohnny
11m
Johnny and Bling-Bling fall apart after an accident with the particle accelerator.
Episode credits
Directed by John LeiWritten by Keith Wagner
Episode 38
The Johnny Express
11m
Johnny runs into trouble delivering a package for the girls.
Episode credits
Directed by John LeiWritten by Ethan Banville
Episode 39
Crash Test Johnny
11m
Johnny quits as the girls' test subject and quickly regrets his decision.
Episode credits
Directed by John LeiWritten by Derek Dressler
Episode 40
Johnny's Junky Trunk
11m
Mr. Test donates Johnny's toys without asking.
Episode credits
Directed by John LeiWritten by Sean Jara
Episode 41
Super Johnny Action Federation
11m
Johnny and the gang acquire super powers and compete to see who is the best superhero.
Episode credits
Directed by John LeiWritten by Ethan Banville
Episode 42
Gil-Stopping Johnny
11m
Johnny goes to extreme measures to prevent Gil from moving.
Episode credits
Directed by John LeiWritten by Rick Groel
Episode 43
Johnny With a Chance of Meatloaf
11m
The kids make a vow to end Dad's meatloaf madness.
Episode credits
Directed by John LeiWritten by Keith Wagner
Episode 44
It's Easter, Johnny Test!
11m
Johnny must save Easter from the annual Easter-egg hunt ruined by Dark Vegan.
Episode credits
Directed by John LeiWritten by Dan Serafin
Episode 45
Future Johnny
11m
Johnny meets his future self.
Episode credits
Directed by John LeiWritten by Derek Dressler
Episode 46
Dukey See Johnny Do
11m
Johnny loses his sight.
Episode credits
Directed by John LeiWritten by Derek Dressler, Sean Jara
Episode 47
Hair's Johnny
11m
Johnny is accidentally turned into a werewolf.
Episode credits
Directed by John LeiWritten by Keith Wagner, Sean Jara
Episode 48
Johnny's Hungry Games
11m
All the pizza goes missing and Johnny must get it back.
Episode credits
Directed by John LeiWritten by Nathan Knetchel, Joshua Hamilton
Episode 49
Tiny Johnny
11m
Johnny and Dukey try to catch a mouse.
Episode credits
Directed by John LeiWritten by Dan Serafin
Episode 50
Johnny Goes Gaming
11m
Johnny and Dukey are trapped in a video game.
Episode credits
Directed by John LeiWritten by Derek Dressler, Scott Fellows
Episode 51
The Last Flight of Johnny X (JX11)
11m
Johnny X and Super Pooch lose their superpowers when the city is attacked.
Episode credits
Directed by John LeiWritten by Keith Wagner
Episode 52
Johnny's Last Chapter
11mfinale
Johnny and Dukey are sucked into a history book.
Episode credits
Directed by John LeiWritten by Nathan Knetchel
Episode information updated Jul 24, 2026
More about Johnny Test
Cast
James Arnold TaylorJohnny Test (voice)
Maryke HendrikseSusan Test (voice)
Louis ChirilloDukey (voice)
Ashleigh BallMary Test (voice)
Lee TockarThe General / Bling-Bling Boy (voice)
Ian James CorlettHugh Test (voice)
Trevor DevallDukey (voice)
Kathleen BarrLila Test (voice)Credits
- Created by
- Scott Fellows
- Written by
- Scott Fellows, Mark Fellows, Keith Wagner, Rick Groel, Lazar Saric, Brad Birch, Bobby Gaylor, John Derevlany, Ethan Banville, Adam Beechen, Derek Dressler, Dan Serafin, Mark Drop, Sean Jara, Nick Confalone, Joshua Hamilton, Mike Yank, Cynthia True, Nathan Knetchel, Eddie Guzelian, Dennis Haley, Marcy Brown, Ron Holsey, Jennifer Keene, Denise Downer, Kevin Hopps, Dale Schott, Martin Olson, Gene Grillo, Merriwether Williams, Stephen Sustarsic, Dean Stefan, Madellaine Paxson, Richard Clark, Phil Ivanusic, Doug Lieblich, Aaron Barnett, Mike Preister, Scott Gray, Neal Dusedau, Dave Beatty
Production details
- Status
- Ended
- Series type
- Scripted
- Episodes
- 234
- Original language
- English
Networks & production
The WBUnited States
Cartoon NetworkUnited States
The CWUnited States
TeletoonCanada
BoomerangUnited States
Cookie Jar EntertainmentCanada
Themes
dogscientisttwin sister
