Cassius X puts a period of often-overlooked history into the spotlight – the period when Cassius Clay fought his way to achieving his lifelong dream of becoming World Heavyweight Champion while embarking on a secret spiritual journey.

From a chance meeting to a tragic fallout, Malcolm X and Muhammad Ali's extraordinary bond cracks under the weight of distrust and shifting ideals.

Examining the movement that is ending the use of Native American names, logos, and mascots in the world of sports and beyond.

Overcoming the seemingly insurmountable odds that life threw his way, Liston became heavyweight champion of the world when he knocked out Floyd Patterson in 1962. Eight years later, he died but friends questioned the cause of his death.

Chuck Wepner is a liquor salesman from Bayonne, N.J., who drives a Cadillac with “Champ” vanity plates. A former New Jersey State Heavyweight Boxing Champion, he took abuse from Sonny Liston, got his nose broken by Muhammad Ali, and inspired Sylvester Stallone to write “Rocky” which won three Academy Awards. Wepner was left out of the “Rocky” glory, and his career took turn after strange turn as he worked to stay in the spotlight: he went on to fight Andre the Giant as “The Assassin” and boxed a 900 pound bear. Twice.

This compelling documentary explores the fascinating career and life of football's most revered coach, Vince Lombardi.

In October of 1980 Muhammad Ali was preparing to fight for an unprecedented fourth heavyweight title against his friend and former sparring partner Larry Holmes. To say that the great Ali was in the twilight of his career would be generous; most of his admiring fans, friends and fight scribes considered his bravado delusional. What was left for him to prove? In the weeks of training before the fight, documentarians Albert and David Maysles took an intimate look at Ali trying to convince the world and perhaps himself, that he was still “The Greatest.” At the same time, they documented the mild-mannered and undervalued champion Holmes as he confidently prepared to put an end to the career of a man for whom he had an abiding and deep affection

On October 1, 1975, World Heavyweight Boxing Champion Muhammad Ali was in the ring with his arch rival Joe Frazier for the third time. This fight in the Philippines, which has been nicknamed "Thrilla in Manila," is considered one of the most dramatic boxing matches in history - in the words of the voice-over, "They hated each other." With the help of archive material and eyewitness accounts (including Imelda Marcos), this documentary not only reconstructs the match, but shows us what was happening behind the scenes as well.

Documentary about Ali's life in 1965.

In sports history, there are moments that define the essence of competition. In boxing, it is a 1971 fight known as Ali-Frazier I. This documentary chronicles the events that led to what many call 'The Fight of the Century,' in which undefeated heavyweight champion Smokin' Joe Frazier went to war in Madison Square Garden against undefeated deposed champion Muhammad Ali.

Muhammad Ali. He is known as the most thrilling athlete of all time... he is known as The Greatest. The remarkable story of how he became one of the most loved, hated, intriguing, and controversial figures in American history is brought to life in the 6-hour series, Muhammad Ali: The Whole Story. Episode 1: Olympic Gold. Episode 2: The Youngest Heavyweight Champion. Episode. 3: Exile. Episode 4: The Road Back. Episode 5: The Rumble In The Jungle Episode. 6: The Thrilla In Manila.

The story of the life and career of boxer Sonny Liston, who rose from being a violent street enforcer for an organized crime ring to become the heavyweight champion of the world.

Fallen Champ: The Untold Story of Mike Tyson is a 1993 film made by acclaimed American documentary filmmaker Barbara Kopple. Though Tyson was in jail serving a sentence for rape, Kopple used existing interviews with the boxer, as well as her own extensive interviews with those closest to Tyson, to explore the man's history. The film traces Tyson's story from his troubled and tumultuous upbringing, through his rapid ascendancy in the ranks of the boxing world and his subsequent struggle with the trappings of fame. Fallen Champ earned Barbara Kopple a Directors Guild of America award as Best Documentary Director of 1993.