Teenage Mutant Ninja Turtles (2003) S02E13 - Return to the Underground
Teenage Mutant Ninja Turtles (2003) (2003)
S02E13 Return to the Underground
Episode Overview
The Turtles make their way back to the subterranean city, only to discover it is deserted. The powerful crystal moon that once energized the city is gone, and its human inhabitants have transformed into monstrous creatures. With time running out, can Donatello's volatile serum reverse the effects and bring the humans back to their former selves?