Season 6, Episode 11: The Freaks Come Out at Night (EP127)
Résumé de l'épisode 127
After an outing downtown, Mikey starts behaving strangely -- as in super strength, green-slime-spewing strangely. The reason, the Turtles soon discover, is that Mikey has been "implanted" by one of Sh'Okanabo's "gene-seeds".