There was also a new title sequence which added in clips from the first live-action film and stills from the first four episodes of season 8, and a new version of the theme song.
The Technodrome is now in Dimension X, while Krang, Shredder, Bebop and Rocksteady are stranded on Earth.
[1] Shredder & Krang are still loose on Earth, but without the resources of the Technodrome, they plan to steal equipment from the abandoned Hall of Science from the 1964 World Fair.
Krang's former weapons engineer, Drakus, using the guise of Beserko, also shows up to cause trouble.
[2] A band of ninja, led by a mysterious villain named Megavolt, are stealing electronic equipment from power plants all over the city, and the Turtles are being blamed for the crimes.