The third cartoon incarnation of the speedy, smart-assed Sega mascot Sonic the Hedgehog finds him and his two siblings Manic and Sonia searching for their mother, Queen Aleana, while ...

Sonic, Manic and Sonia are thrown into a universe that almost seems to parallel their own, however in this dimension, they are not the in the Underground, the Hedgehogs are the rulers of Mobius.