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 12 ·
When Johnny Comes Marching Home
Johnny buys a video game which turns out to be a military plot to recruit an elite team of super soldiers, and then he must join the fight against a group of renegade penguins who are losing their home to global warming.
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Episode 12 of season 3 of Johnny Test: “When Johnny Comes Marching Home”. Aired 2007-10-07. Watch it online free on ZapFlix.