Watch Hour of Triumph! Seigi Choujin

An animated film based on the popular Kinnikuman series. Kinnukiman is mysteriously transported to Edo era Japan. Without his friends or knowledge of his whereabouts, Kinnikuman must discover a way to get back home. It's not going to be easy, though. An evil warlord has learned of Kinnikuman's existence, and demands two things: Kinnikuman's head and to be married to a popular and beautiful princess who normally won't give him the time of the day.