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 10 ·
Johnny Irresistible
Johnny wants to increase his charisma when he becomes jealous of Gil's popularity.
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Episode 10 of season 5 of Johnny Test: “Johnny Irresistible”. Aired 2011-07-18. Watch it online free on ZapFlix.