Follows the adventures of Sonic, an alien hedgehog with the power of speed.
Small-town sheriff Tom Wachowski journeys to San Francisco to assist Sonic the Hedgehog, an anthropomorphic blue hedgehog who can run at incredible speeds, in his battle against Doctor Eggman.
When the manic Dr Robotnik returns to Earth with a new ally, Knuckles the Echidna, Sonic and his new friend Tails is all that stands in their way.