"Return of El Gran Gordo!": Who is that masked mass of meanness battling his way through the wrestling ring? Can it be? It is! The crazy Dr. Eggman is once again pretending to be masked wrestling sensation El Gran Gordo! But if that's really him, how can Dr. Eggman be robbing Station Square at the same time? It's up to Sonic to decipher this doppelganger of a mystery!