Teenage Mutant Ninja Turtles (2012) (2012)

S05E01 Scroll of the Demodragon

The Turtles are under the impression that they've vanquished their primary foes, but they soon realize that a fresh malevolence is emerging from the remnants of their past battles. As they confront this new threat, they must unite their strength once again to protect the city from a darkness that refuses to stay buried.