After suffering another lose to Sonic and his friends, Dr. Ivo Robitnik has been searching for another world to concur and sap its energy. his new target: Equestria. with his sights now set on the land of friendship and harmony, he now leads the charge against the ponies and threatens their peace with inventions that will almost insure victory. but considering he has no real flair for subtlety, he unintentionally let sonic in on his plans. now sonic and his friends are off to stop Robotnik and help in anyway they can.