Synopsis
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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Cast
Seasons
Season 1
26 eps · 2005-09-17
Season 2
26 eps · 2006-10-28
Season 3
26 eps · 2007-08-17
Season 4
52 eps · 2009-09-10
Season 5
52 eps · 2011-06-13
Season 6
52 eps · 2013-04-23
View TMDB-provided episode dates, cast, and synopsis for Johnny Test. Johnny Test is listed on The WB, Cartoon Network, The CW, Teletoon, Boomerang.
