World Heavyweight Champion (03:37)

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Muhammad Ali reflects on being defeated by Joe Frazier in 1971. (Credits)

"Fighter's Heaven" (03:45)

Ali believes luxury makes him soft, and establishes a training camp in Deer Lake in rural Pennsylvania. He vows to retake his title from Frazier.

Career Comeback (03:46)

The U.S. Supreme Court decides Ali is a sincere conscientious objector in 1971. Ali wins fights against Jimmy Ellis, Buster Mathis, Jurgen Blin, Mac Foster, George Chuvalo, Jerry Quarry, Alvin Blue Lewis, Floyd Patterson, Bob Foster, and Joe Bugner.

Muhammad Ali vs. Ken Norton I (04:33)

See footage of the 1973 fight, in which Norton unexpectedly defeats Ali and breaks his jaw. In an interview, Ali reflects on the loss.

George Foreman vs. Joe Frazier (02:17)

See footage of Foreman defeating Frazier in 1973, becoming the heavyweight world champion. Ali gives Dick Cavett a tour of his training camp.

Operation "Test the Jaw" (03:24)

Ali sees his injury as a reason to train harder. Larry Holmes reflects on becoming Ali's sparring partner. Ali feels ready to face Norton again and to challenge Foreman's title.

Muhammad Ali vs. Ken Norton II (02:21)

See footage of the fight, in which Ali defeats Norton.

Ali-Frazier Rivalry (03:03)

Frazier tours Europe with his music group The Knockouts. Ali mocks his singing style and spars with a man wearing a gorilla mask he calls "Frazier." The two boxers nearly fight on a talk show.

Muhammad Ali vs. Joe Frazier II (04:59)

See footage of the 1974 fight, in which Ali defeats Frazier. Foreman defeats Norton in another 1974 fight. Ali discusses his strategy for fighting Foreman in Zaire.

Muhammad Ali vs. George Foreman (04:48)

See footage of the 1974 "Rumble in the Jungle," in which Ali unexpectedly defeats Foreman.

Racial Inequality (03:06)

In a talk show, Ali discusses social and economic issues plaguing the African-American community and reads a poem called "Truth." See images of anti-war demonstrations and Nixon's resignation.

Rope-a-Dope Tactic (02:05)

Ali trains using a defensive strategy allowing opponents to tire before mounting an offense. He is unconcerned about the risk of brain damage from his boxing career. See footage of 1975 fights against Chuck Wepner, Ron Lyle, and Joe Bugner.

Thrilla in Manila (02:54)

See footage of Ali's third fight against Frazier. Ali says he feels ready to retire at age 33.

Philanthropic Work (02:32)

See footage of victories against Jean-Pierre Coopman, Jimmy Young, Richard Dunn, Ken Norton, Alfredo Evangelista, and Earnie Shavers. Ali donates purses to the African-American community and to humanitarian causes in Africa.

Muhammad Ali vs. Leon Spinks I (02:10)

Ali admits he is aging. Spinks defeats Ali in a 1978 upset, winning the world heavyweight champion title. Ali's record is now 53 wins to three losses.

Muhammad Ali vs. Leon Spinks II (02:49)

Ali reflects on what he hopes will be the final fight of his career. See footage of the 1978 fight, in which he becomes the first three-time world heavyweight champion.

Retirement and Political Work (02:36)

In 1979, Ali says he is happy to be ending his boxing career. He visits African nations on behalf of President Carter, to convince teams to boycott the Moscow Olympics after the Soviet Union invaded Afghanistan.

Ken Norton vs. Larry Holmes (03:35)

On the Merv Griffin Show, Ali discusses an upcoming fight against Holmes. He watches Holmes defeat Norton to win the world heavyweight championship.

Attempting to Conquer Immortality (01:53)

Ali prays for victory in fights. Holmes says he does not want to fight Ali, his friend and former sparring partner. Ali is convinced he can beat Holmes.

Muhammad Ali vs. Larry Holmes (04:26)

See footage of the 1980 fight in which Holmes defeats Ali, retaining his world heavyweight title. Holmes expresses regret at beating his idol.

Ali's Final Fight (02:33)

Ali loses to Trevor Berbick in 1981, citing the aging process. His career record is 56 wins to five losses.

Retirement (02:20)

Ali enjoys life at his farm in Michigan. He meets with world leaders, appears on talk shows, engages in humanitarian work, and reflects on his life purpose.

Declining Health (03:24)

Ali discusses his Parkinson's disease with Arsenio Hall. He continues humanitarian work, including delivering medical supplies to Cuba in 1996. He retains his humor and plays a joke on 60 minutes correspondent Ed Bradley.

Legacy (03:40)

Ali says he will prepare to meet God, after retiring from boxing. See highlights from his career and life, including meeting Dr. King and lighting the Olympic torch in 1996.

Credits: Muhammad Ali: Part II (02:14)

Credits: Muhammad Ali: Part II