After befriending the once-human creatures in an abandoned underground Foot Genetics Lab, the Turtles join them on a journey deeper into the earth, where they come upon the ruins of a once-great subterranean city.
Released: Jan 01, 1970
Runtime: 00:22:14 minutes
Genre: Action & Adventure, Animation, Kids
Stars: Michael Sinterniklaas, Wayne Grayson, Sam Riegel, Gregory Abbey, Darren Dunstan, Veronica Taylor, Marc Thompson, Scott Rayow