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Entertainment • Animated series

Johnny Test

Johnny Test is an animated comedy television series created by Scott Fellows.

By Ethan Anderson| Reviewed by Olivia Bennett, Standards & Fact-Checking Lead| Updated July 27, 2026|2 min read| Fact-checked

Johnny Test is an animated comedy television series created by Scott Fellows. It follows Johnny Test, a suburban boy whose adventures often involve his genius twin sisters, Susan and Mary, and his talking dog, Dukey. The series originally aired from 2005 to 2014 and later returned with a revival season in 2021 on Netflix.

Premise

The series follows Johnny Test, an ordinary suburban boy who repeatedly becomes involved in his sisters’ scientific experiments and other chaotic adventures. His family includes genius twins Susan and Mary, and his companion Dukey, a talking dog.

Production and broadcast history

Johnny Test was created by Scott Fellows and first aired in 2005. It ran on Kids' WB, Cartoon Network, and Teletoon during its original run, and later received a revival season that premiered in 2021.

Characters

The main cast includes Johnny, his twin sisters Susan and Mary, their parents, and Dukey. The character dynamic often places Johnny at the center of experiments, schemes, and conflicts.

Reception and legacy

The series became a long-running children’s animated title and was distributed across multiple broadcasters and territories. Its later revival reflected continued recognition of the franchise years after the original finale.

Key facts

  • The series was created by Scott Fellows and centered on Johnny Test, his twin sisters Susan and Mary, and his talking dog Dukey.
  • It premiered on Kids' WB in the United States and later aired on Cartoon Network; in Canada, it premiered on Teletoon.
  • The original run lasted from 2005 to 2014 and comprised 6 seasons and 117 episodes.
  • The show received a revival that premiered in 2021 on Netflix's associated platform.
  • The fictional setting is the town of Porkbelly in the United States.
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Canadian context

Johnny Test has a strong Canadian connection through its broadcast history, including its Canadian premiere on Teletoon and later production/distribution involvement from Canadian companies during parts of its run.[2][4][6]

Frequently asked questions

What is Johnny Test about?
It follows Johnny Test, a suburban boy whose life is shaped by his genius twin sisters’ experiments and his adventures with his talking dog, Dukey.
Who created Johnny Test?
The series was created by Scott Fellows.
When did Johnny Test first air?
It first premiered on September 17, 2005.
How many seasons did the original series have?
The original run had 6 seasons and 117 episodes.
What is the setting of the show?
The story takes place in the fictional town of Porkbelly in the United States.
Did Johnny Test return after the original run?
Yes. A revival season premiered in 2021.

References

  1. Wikipediahttps://en.wikipedia.org/wiki/Johnny_Test
    Supports: Creator, premise, original broadcast dates, Canadian premiere, and original run details
  2. Netflixhttps://www.netflix.com/title/81193032
    Supports: Revival availability and 2022 series listing
  3. IMDbhttps://www.imdb.com/title/tt0454349/
    Supports: Original release date and series premise
  4. Kiddlehttps://kids.kiddle.co/Johnny_Test
    Supports: Season count, episode count, genre, and broadcast history overview
  5. French Wikipediahttps://fr.wikipedia.org/wiki/Johnny_Test
    Supports: Production and distribution details, including Canadian involvement and episode count
  6. TV Tropeshttps://tvtropes.org/pmwiki/pmwiki.php/Characters/JohnnyTest
    Supports: Character roles and Dukey relationship