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.
Season 3 · Episode 19 ·
Johnny Long Legs
Doggone doggy adventures result when Susan and Mary fashion a mind-controlling obedience collar to tame Dukey's bad behavior. Then, the girls invent an acne cream.
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Episode 19 of season 3 of Johnny Test: “Johnny Long Legs”. Aired 2007-12-08. Watch it online free on ZapFlix.