Mutagen Man Unleashed Teenage Mutant Ninja Turtles : Season 2 Episode 4
TV-Y7-FV Nickelodeon 24m
Aired: November 9th, 2013 @ 12:00 AM EST on Nickelodeon
Donatello experiments with mutagen in an attempt to find a cure for April's mutated father. But one of his expirements goes wrong and he is unleashed in the city.
