TV Time - Mutant Turtles: Superman Legend (TVShow Time)
Teenage Mutant Ninja Turtles: Legend of the Supermutants (OAV) - Anime News Network
romeric on Twitter: "Fact #3 There was an anime version called Mutant Turtles: Superman Legend where the turtles had stones that would turn them into Super Turtles for 3 minutes… https://t.co/4eRK7YNY3J"