Johnny Test
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.
On screen
Top Cast
James Arnold Taylor
Johnny Test (voice)
Maryke Hendrikse
Susan Test (voice)
Lee Tockar
The General / Bling-Bling Boy (voice)
Ian James Corlett
Hugh Test (voice)
Kathleen Barr
Lila Test (voice)
Scott McNeil
Mr. White / Bumper (voice)
Bill Mondy
Louis Chirillo
Dukey (voice)
Ashleigh Ball
Mary Test (voice)
Trevor Devall
Dukey (voice)
Brittney Wilson
Andrew Francis
Episodes guide
Seasons
Specials
0 episodes · —
Season 1
26 episodes · 2005
Season 2
26 episodes · 2006
Season 3
26 episodes · 2007
Season 4
52 episodes · 2009
Season 5
52 episodes · 2011
Season 6
52 episodes · 2013
Preview
Official Trailer
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