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 5 · Episode 5 ·
Spotless Johnny
After Johnny and Dukey track mud in the house, they use a special stain-remover designed by Susan and Mary, but also learn it can make Johnny invisible.
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Episode 5 of season 5 of Johnny Test: “Spotless Johnny”. Aired 2011-06-27. Watch it online free on ZapFlix.