I Am the Greatest: The Adventures of Muhammad Ali (1977) is a Animation series that follows i Am the Greatest: The Adventures of Muhammad Ali is an animated series featuring heavyweight boxing legend Muhammad Ali, who starred as his own voice. The short-lived series was broadcast Saturday mornings on NBC in the fall of 1977, but was cancelled by January 1978. I Am the Greatest: The Adventures of Muhammad Ali is not currently listed with streaming providers in your selected region, but availability can change over time. It has a user rating of 5.3 out of 10 from 3 votes. Fans of animation series may also want to explore similar titles below.