Teenage Mutant Ninja Turtles: Turtles at the Earth's Core

Shredder and Krang discover a Dinosaur reserve at the earth's core and plot to steal their life source, an energy crystal, to repower the Technodrome, drill to the surface, and comence w/ world domina.. blah blah yada yada and of course the turtles are ready to stop 'em.