King Ghidorah has come to New York City! It's up to the Teenage Mutant Ninja Turtles, led by Master Splinter, to stop the three-headed kaiju. Meanwhile, only Mechagodzilla defends Tokyo against Godzilla, Rodan, and Anguirus! The Turtles will need to act fast if they're going to save New York and get to Japan! And with all his enemies occupied, the Shredder moves undetected toward unlimited kaiju power...