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 1 · Episode 6 ·
Johnny Test: Extreme Crime Stopper
The Extreme Teen Team are on the loose and it's up to Johnny to bring them down.
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Episode 6 of season 1 of Johnny Test: “Johnny Test: Extreme Crime Stopper”. Aired 2005-10-01. Watch it online free on ZapFlix.