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 23 ·
Johnny vs. Brain Freezer
A kid at Susan and Mary's school becomes a villain named Brain Freezer. Now Johnny must stop this villain and unfreeze everyone he froze.
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Episode 23 of season 1 of Johnny Test: “Johnny vs. Brain Freezer”. Aired 2006-07-22. Watch it online free on ZapFlix.