Johnny Test
Series Overview
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.
Broadcast Schedule & Network Information
Airing status, episode counts, upcoming schedule, and network syndication.
6 Seasons • 234 Episodes
11 min per episode
2005 – 2014
Premiered: Sat, Sep 17, 2005
Latest Aired Episode
Season 6, Episode 52: “Johnny's Last Chapter”
Johnny and Dukey are sucked into a history book.
Seasons & Episodes Breakdown
Trailers, Teasers & Extra Featurettes
Official promotional previews, behind-the-scenes footage, and exclusive clips.
I blew up Malaysia (Original)
Type: Clip • Published 2018-04-02
Cast & Creators
Explore Star Directory →
James Arnold Taylor
Johnny Test (voice)
Maryke Hendrikse
Susan Test (voice)
Ashleigh Ball
Mary Test (voice)
Lee Tockar
The General / Bling-Bling Boy (voice)
Ian James Corlett
Hugh Test (voice)
Trevor Devall
Dukey (voice)
Kathleen Barr
Lila Test (voice)
Scott McNeil
Mr. White / Bumper (voice)
Bill Mondy
Mr. Black (voice)
Creative Leadership & Key Crew
Scott Fellows
Michael Hirsh, Scott Fellows, Toper Taylor
Department Leadership Roster
Scott Fellows
Producer
Age Classification & Content Advisories
Official viewer rating standards and content warnings across international classification boards.
TV-Y7: Directed to Older Children — Designed for children age 7 and above.
International Certification Matrix
Directed to Older Children — Designed for children age 7 and above.
General — Suitable for all ages.
FSK 6 — Restricted to viewers aged 6 and older.
Universal Public Exhibition — Unrestricted family viewing.
Universal — Suitable for all audiences.
Production Stills & Gallery
Official cinematic photography and background stills for Johnny Test.
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Frequently Asked Questions About Johnny Test
Key facts, seasons breakdown, and credits for search engines and AI assistants.
What is Johnny Test about?
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.
How many seasons does Johnny Test have?
Johnny Test comprises 6 seasons available to explore.
Who stars in Johnny Test?
Key cast members in Johnny Test include James Arnold Taylor, Maryke Hendrikse, Ashleigh Ball, Lee Tockar, Ian James Corlett.
Who created or directed Johnny Test?
Johnny Test was developed and directed by Scott Fellows.