Johnny Test is an American/Canadian animated television series. It premiered on Kids' WB, on The WB Television Network, on September 17, 2005. Five months later, it was introduced to Cartoon Network UK on January 12, 2006. The series aired in the United States on Cartoon Network beginning on January 7, 2008, and in Canada on Teletoon, as of October 28, 2006. The show was produced by Warner Bros. Animation for the first season and later seasons by Cookie Jar Entertainment. The series is rated TV-Y7 for the first four seasons, and TV-Y7-FV for the fifth.

The series revolves around the adventures of the titular character, Johnny Test, an 11-year-old suburban boy who lives with his super-genius 13-year-old scientist twin sisters, Susan and Mary, in the Test residence in the fictional town of Porkbelly. Johnny often wittingly plays test subject for his genius twin sisters' various inventions and experiments, as well as be given gadgets and/or superpowers, and while at the same time reluctantly tackling and exploiting occasional problems and miscellaneous sticky situations, and as well as fighting evil villains and other enemies in the process; and occasionally, saving the world with their inventions.

A fourth season of the show debuted on Teletoon on September 10, 2009, and on Cartoon Network in the U.S. on November 9, 2009. As revealed and announced on August 24, 2010, the show was continued with a fifth season renewal which premiered on June 13, 2011.

On March 12, 2012, Cookie Jar Entertainment has revealed that a sixth season is in development with another 26 episodes, this renewal will bring the series total to 117 episodes. There are also discussions of a full-length animated TV movie based on the series.

The series ended on Christmas 2014. Re-runs ceased in mid-2014, but the series received a last hurrah on Christmas Day, including a burn-off of the last few episodes that had yet to air in America. Afterwards, the series no longer aired reruns on Cartoon Network, but it airs re-runs on Boomerang. As of 2017, reruns of the show have no longer been seen on Cartoon Network nor Boomerang.


Test Family

  • Johnny
  • Dukey
  • Test Twins
  • Hugh
  • Lila


  • Jillian, Daughter of Dark Vegan and has crush on Johnny.
  • General
  • Black and White
  • Gil
  • Speed McCool
  • Lolo


  • Bling-Bling Boy, Susan's abhorrent admirer.
  • Sissy, Johhny's Archenemy.
  • Dark Vegan
  • Johnny Stopping Evil Force 5
    • Wacko, Leader of the JSEF.
    • Brain Freezer
    • Zizrar Mole King
    • Mittens and Albert
  • Bumper
  • Principal Joseph Harm
  • Henry Teacherman
Warner Bros. Animation Series
Looney Tunes compilation shows
Bugs and Daffy TonightToonHeadsThe Tex Avery ShowAcme HourThe Bob Clampett ShowThe Chuck Jones Show
Original shows
1990s Tiny Toon AdventuresTaz-ManiaBatman: The Animated SeriesThe Plucky Duck ShowAnimaniacsThe Sylvester and Tweety MysteriesPinky and the BrainFreakazoid!Superman: The Animated SeriesWayneheadRoad RoversThe New Batman AdventuresHisteria!Pinky, Elmyra & the BrainBatman BeyondDetention
2000s Baby BluesStatic ShockThe Zeta ProjectJustice LeagueBaby Looney Tunes¡Mucha Lucha!Ozzy & DrixWhat's New, Scooby-Doo?3-SouthTeen TitansDuck DodgersXiaolin ShowdownJustice League UnlimitedThe BatmanKrypto the SuperdogFirehouse TalesJohnny TestCoconut Fred's Fruit Salad IslandLoontaics UnleashedTom and Jerry TalesShaggy & Scooby-Doo Get a Clue!Legion of Super HeroesBatman: The Brave and the Bold
2010s Scooby-Doo! Mystery IncorporatedMADYoung JusticeThe Looney Tunes ShowThunderCatsGreen Lantern: The Animated SeriesTeen Titans Go!Beware the BatmanThe Tom and Jerry ShowMike Tyson MysteriesNew Looney TunesBe Cool, Scooby-DooBunniculaRight Now Kapow!Justice League ActionDorothy and the Wizard of OzWacky RacesUnikitty!DC Super Hero GirlsScooby-Doo and Guess Who?Green Eggs and HamHarley QuinnYabba-Dabba Dinosaurs!ThunderCats RoarLooney Tunes CartoonsJellystone!Tooned OutAnimaniacsGremlins: Secrets of the MogwaiAquaman: King of AlantisUntitled The Flintstones rebootLittle EllenThe Toon Squad

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