Muhammad Ali’s journey from Cassius Clay to one of boxing history’s most influential figures will soon hit Prime Video with The Greatest. Created by Ben Watkins, the series has released a new trailer, along with a premiere date and official key art.
The official synopsis reads, “Muhammad Ali’s coming-of-age story, following a young Cassius Clay through the personal, professional, and political battles he fought inside and outside the ring. Set against a changing America, The Greatest follows a once-in-a-generation talent fighting for the right to become his own man. Through the fights that made him a champion and the convictions that made him an icon, a young man from Louisville transforms himself into Muhammad Ali, the greatest of all time.”
Check out The Greatest trailer below:
What happens in The Greatest trailer?
The upcoming Prime Video series is the first authorized scripted series chronicling the early life of Muhammad Ali. The trailer opens with Ali as a young, rising boxer, Cassius Clay, who always believed no one could beat him in the ring. It also highlights his training days and his drive to become the greatest heavyweight champion.
Beyond his fame as a rising, undefeated boxer, the trailer also shows snippets of his personal life, including his role as a son and his relationship with his father, Cassius “Cash” Clay Sr. The trailer also highlights one of Ali’s monumental fights against heavyweight champion Sonny Liston.
The trailer also gives the audience Ali’s voice outside the ring, as he interacts with influential figures like Malcolm X and other mentors.
Jaalen Best stars as Cassius Clay/Muhammad Ali, alongside Omari Hardwick as Cassius Clay Sr., Dana Gourrier as Odessa ‘Bird’ Clay, Kai Parham as Rudy Clay, Amin Joseph as Sonny Liston, Giovanni Ribisi as Angelo Dundee, and Michael Ealy as Malcolm X.
In addition to serving as showrunner, Watkins also executive produced the series with Michael B. Jordan, Shawn Carter, and Lonnie Ali, the late legend’s wife. Other executive producers include Elizabeth Raposo, Corey Salter, Matthew Gross, Marc Rosen, Craig Siebels, and Aiyana White, among many more.
Prime Video will debut all eight episodes of The Greatest on November 4, 2026.