Teenage Mutant Ninja Turtles (2003) Season 2 Episode 13 - Return to the Underground

Airdate: 2004-Mar-06

Episode summary:

The Turtles return to the ancient underground city they discovered in "Notes From the Underground", only to find the city abandoned, its crystal moon power source missing, and its human population reverted to monsters.

About Teenage Mutant Ninja Turtles (2003) series:

Terrapin martial artists battle a global criminal group, The Foot, led by their arch nemesis The Shredder, who's in league with a technologica...Show more >