You will Watch Ultimate Muscle: The Kinnikuman Legacy Episode 2 online for free episodes with HQ / high quality. Stream cartoons Ultimate Muscle: The Kinnikuman Legacy Episode 2 Generation-Next! Kid Muscle remains reluctant to follow in his fathers footsteps. Together with the help of sons of other legendary wrestling Heroes, Kid Muscle is taken to the Hercules Factory, a school were future heroes are put through brutal training exercises. Only the most strongest and the most skillful will survive. Will Kid Muscle survive these grueling tests?