Leo, Mikey, Raph, and Donnie are not just Teenage Mutant Ninja Turtles they're also heroes! But every once in a while, for some reason or another, they've been known to turn to the side of EVIL Let's check out every time a Turtle went to the bad side from the Teenage Mutant Ninja Turtles (2012)!

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0:00 Raphael
2:03 Leonardo
4:21 Splinter
6:56 Donatello
8:51 Raphael (Again...)

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