6.4
2005
en
Original Title
Johnny Test
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.
Seasons & Episodes
6 Seasons - 234 Episodes
Last Air Date
June 18, 2014
Main cast
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