I Am the Greatest: The Adventures of Muhammad Ali is an animated series featuring boxer Muhammad Ali, who performed his own voice. The series was broadcast Saturday mornings on NBC and produced by Fred Calvert's independent production company, Farmhouse Films, in the fall of 1977, but was cancelled after 13 episodes due to its low ratings.In the show, Muhammad Ali and his public relations manager, Frank Bannister, both provided their own voices, as Ali went on adventures with his (fictional) niece Nicky and nephew Damon, voiced by Casey Carmichael and Patrice Carmichael.