The TMNT are convinced that every time April covers the unveiling of some new invention, Shredder always happens to see the same televised report and shows up to try and steal it. This time, the Turtles think they can cut Shredder off at the pass by scurrying over to the Top Notch Scientific Corporation and standing guard over the SONIC DISINTEGRATOR - a device that can turn metal into powder.
Big Louie and his henchmen break into the lab. Big Louie escapes leaving his henchmen behind to spill the beans. It seems that he had seen April's newscast and decided that the Sonic Disintegrator was just the right tool for robbing banks.
Meanwhile, across town, a UFO streaks across the sky and crashes. As innocent bystanders look on, a Killer Robot, known as Destructor X, emerges...
When the Turtles hear about the robbery they set out to investigate, convinced that Shredder and Krang are behind it. While searching they come upon Kerma, the Turtleoid from Shell-Ri-La. It seems that the Turtleoid