Sonic the Hedgehog ~ All Bosses

All bosses from Sonic the Hedgehog. Timestamps: Dr. Robotnik (Green Hill Zone) - 0:03 Dr. Robotnik (Marble Zone) - 0:39 Dr. Robotnik (Spring Yard Zone) - 1:10 Dr. Robotnik (Labyrinth Zone) - 1:42 Dr. Robotnik (Star Light Zone) - 2:18 Dr. Robotnik (Final Zone) - 3:13