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.
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see all options Availability data: JustWatch
- Seasons
- 6
- Episodes aired
- 234
- Latest aired
- S06E51
- Total runtime
- 1d 18h
Timeline when each season aired
- Season 1 September 2005 – July 2006 26 episodes
- Season 2 October 2006 – May 2007 26 episodes
- Season 3 August 2007 – February 2008 26 episodes
- the show was away for 1 year and 7 months
- Season 4 September 2009 – December 2010 52 episodes
- Season 5 June 2011 – August 2012 52 episodes
- Season 6 April 2013 – June 2014 52 episodes
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S06E01 Johnny on the Clock
April 23 · 11min find the promo
Show synopsis
Johnny hopes to extend summer vacation with Susan and Mary's time-stopping watch.
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S06E02 Johnny X-Factor (JX10)
April 30 · 11min find the promo
Show synopsis
Johnny X battles Boy Drone X.
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S06E03 Johnny Vets Dukey
May 7 · 11min find the promo
Show synopsis
Johnny chases Dukey, who refuses to go to the vet.
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S06E04 Johnny's No. 1 Fan
May 14 · 11min find the promo
Show synopsis
Johnny takes on Dark Vegan with help from a fan.
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S06E05 How to Train Your Johnny
May 21 · 11min find the promo
Show synopsis
Susan and Mary accidentally wipe Johnny's memory.
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S06E06 Johnny and Clyde
May 28 · 11min find the promo
Show synopsis
Susan and Mary's orangutan becomes a crook after watching old movies with Johnny. (NOTE: This is a parody of Bonnie and Clyde.
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S06E07 Johnny's Super Massive Kart Wheelies 7
June 4 · 11min find the promo
Show synopsis
Johnny and the gang race in their video-game carts.
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S06E08 Smooth Talking Johnny
June 11 · 11min find the promo
Show synopsis
Johnny swipes the girls' voice-replicating invention and ends up turning them against each other.
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S06E09 Johnny and the Beanstalk
June 18 · 11min find the promo
Show synopsis
A giant cereal stalk takes Johnny and friends on a magical adventure.
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S06E10 Johnny and Bling-Bling Bond Bond
June 25 · 11min find the promo
Show synopsis
Johnny tries to teach the grounded Bling Bling how to be a regular kid.
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S06E11 Johnny's Got Talent
July 2 · 11min find the promo
Show synopsis
Johnny takes up ventriloquism for a talent contest.
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S06E12 Johnny's Rough Around the Hedges
July 9 · 11min find the promo
Show synopsis
Johnny and Bling Bling sculpt topiaries after their parents force them to take up less destructive hobbies.
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S06E13 Johnny's Head in the Clouds
July 16 · 11min find the promo
Show synopsis
The General puts Johnny and his friends under house arrest right when an awesome air show heads into town.
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S06E14 Stop in the Name of Johnny
July 23 · 11min find the promo
Show synopsis
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.
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S06E15 Johnny Opposite
July 30 · 11min find the promo
Show synopsis
Johnny steals Susan and Mary's generator and makes his family do the opposite of what they're doing.
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S06E16 Johnny on the Job
July 30 · 11min find the promo
Show synopsis
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.
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S06E17 Johnny's 100th Episode
August 27 · 11min find the promo
Show synopsis
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.
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S06E18 Johnny's Next Episode
August 27 · 11min find the promo
Show synopsis
Bling Bling Boy sprays fantasy spray on everyone (including himself) and they all turn into fairy tale characters.
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S06E19 Johnny's Supreme Theme
September 3 · 11min find the promo
Show synopsis
Real life becomes a movie after Johnny and Dukey get their hands and paws on the girls' latest invention.
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S06E20 Past and Present Johnny
September 3 · 11min find the promo
Show synopsis
Johnny and Dukey visit the 1980s to get to the bottom of a video-game mystery.
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S06E21 The Sands of Johnny
September 17 · 11min find the promo
Show synopsis
Sissy and Johnny face off in a sandcastle battle.
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S06E22 Abominable Johnny
September 17 · 11min find the promo
Show synopsis
Johnny and Dukey locate the Abominable Snowman during a ski vacation.
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S06E23 Johnny vs. the Dukenator
October 2 · 11min find the promo
Show synopsis
Johnny must rescue Dukey, who falls under the control of a dog-spa owner.
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S06E24 Johnny's Petting Zoo Posse
October 2 · 11min find the promo
Show synopsis
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.
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S06E25 The Johnny Who Saved Halloween
October 16 · 11min find the promo
Show synopsis
Johnny and his friends enter a Halloween contest in hopes of winning a big candy prize.
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S06E26 Johnny's Zombie Bomb
October 16 · 11min find the promo
Show synopsis
A love potion goes haywire and turns people into kissing zombies.
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S06E27 Johnny's New Super Mega Villain
October 30 · 11min find the promo
Show synopsis
A new villain arrives in Porkbelly and steals high-tech devices from everyone, and Johnny must stop it.
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S06E28 Johnny in Charge
October 30 · 11min find the promo
Show synopsis
Johnny stays home alone and must prove he's responsible.
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S06E29 Johnny Unplugged
November 13 · 11min find the promo
Show synopsis
Johnny taps his video-game skills to save the family during a perilous hiking trip.
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S06E30 Johnny's Monster Mash
November 13 · 11min find the promo
Show synopsis
Monsters created by the girls' experiments take aim at Porkbelly.
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S06E31 Johnny's Chipmunk Chit Chat
December 4 · 11min find the promo
Show synopsis
Chipmunks plot world domination after a misleading chat with Johnny.
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S06E32 A Picture's Worth 1000 Johnnies
December 4 · 11min find the promo
Show synopsis
Chaos erupts at the mall when the Tests try to pose for a family portrait.
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S06E33 Dial J for Johnny
January 15 · 11min find the promo
Show synopsis
Johnny and Dukey prank call historical figures using the girls' time machine.
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S06E34 Road Trip Johnny
January 15 · 11min find the promo
Show synopsis
The Test family take a road trip to Upchuck Geysers.
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S06E35 Code Cracking Johnny
February 5 · 11min find the promo
Show synopsis
Johnny and Dukey cheat their way to victory in the Red Gush contest.
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S06E36 Johnny Goes Viral
February 5 · 11min find the promo
Show synopsis
Johnny has unlimited knowledge after the girls insert a computer chip into his brain.
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S06E37 FrankenJohnny
February 18 · 11min find the promo
Show synopsis
Johnny and Bling-Bling fall apart after an accident with the particle accelerator.
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S06E38 The Johnny Express
February 18 · 11min find the promo
Show synopsis
Johnny runs into trouble delivering a package for the girls.
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S06E39 Crash Test Johnny
February 25 · 11min find the promo
Show synopsis
Johnny quits as the girls' test subject and quickly regrets his decision.
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S06E40 Johnny's Junky Trunk
February 25 · 11min find the promo
Show synopsis
Mr. Test donates Johnny's toys without asking.
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S06E41 Super Johnny Action Federation
March 11 · 11min find the promo
Show synopsis
Johnny and the gang acquire super powers and compete to see who is the best superhero.
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S06E42 Gil-Stopping Johnny
March 11 · 11min find the promo
Show synopsis
Johnny goes to extreme measures to prevent Gil from moving.
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S06E43 Johnny With a Chance of Meatloaf
April 23 · 11min find the promo
Show synopsis
The kids make a vow to end Dad's meatloaf madness.
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S06E44 It's Easter, Johnny Test!
April 23 · 11min find the promo
Show synopsis
Johnny must save Easter from the annual Easter-egg hunt ruined by Dark Vegan.
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S06E47 Hair's Johnny
May 21 · 11min find the promo
Show synopsis
Johnny is accidentally turned into a werewolf.
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S06E48 Johnny's Hungry Games
May 21 · 11min find the promo
Show synopsis
All the pizza goes missing and Johnny must get it back.
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S06E49 Tiny Johnny
June 4 · 11min find the promo
Show synopsis
Johnny and Dukey try to catch a mouse.
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S06E50 Johnny Goes Gaming
June 4 · 11min find the promo
Show synopsis
Johnny and Dukey are trapped in a video game.
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S06E51 The Last Flight of Johnny X (JX11)
June 18 · 11min find the promo
Show synopsis
Johnny X and Super Pooch lose their superpowers when the city is attacked.
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S06E52 Johnny's Last Chapter
June 18 · 11min find the promo
Show synopsis
Johnny and Dukey are sucked into a history book.