Extras
When Ali was drafted for Vietnam, many questioned whether he would accept the induction.
Muhammad Ali returns from exile and twice faces his greatest rival, Joe Frazier.
Muhammad Ali brings to life the boxing champion who became an inspiration across the globe
Muhammad Ali is banished from boxing for refusing induction into the Army.
Cassius Clay rises from boastful amateur boxer to contender for the heavyweight title.
Muhammad Ali takes on Cleveland "Big Cat" Williams at the Astrodome in Houston, Texas.
Twelve-year-old Cassius Clay participated in his first amateur fight.
Muhammad Ali arrives to praise in Kinshasa where he would soon fight George Foreman.
A Q&A with Ken Burns, Justin Tinsley (moderator), Ibtihaj Muhammad, and Sherman Jackson.