You are going to Watch Teenage Mutant Ninja Turtles Episode 138 online free episodes with HQ / high quality. Stream cartoons Teenage Mutant Ninja Turtles Episode 138 Online Leonardo is Missing. Leonardo gets lost following a stress signal while Krang invents a “Hyper-Thruster” to blow the Earth off its axis and to melt the ice. Technodrome is not at the bottom of the sea but it is back at the North Pole (which would allow the story to be set during season 5). There is also another bug, go and find it.