Prime Video has released the official trailer for The Greatest, an upcoming scripted drama exploring the life of boxing legend Muhammad Ali. Starring Jaalen Best as the iconic athlete, the eight-episode series will premiere worldwide on November 4th, 2026.
According to Authentic Brands Group, Prime Video has unveiled the official trailer and key art for The Greatest, the first authorized scripted series about Muhammad Ali. Jaalen Best portrays the young Cassius Clay as he navigates his early life and rise in professional boxing. The drama follows his personal, professional and political experiences as he develops into one of the world’s most recognizable athletes.
The cast includes Omari Hardwick as Cassius Clay Sr., Dana Gourrier as Odessa “Bird” Clay and Kai Parham as Rudy Clay. Michael Ealy portrays Malcolm X, while Amin Joseph plays Sonny Liston and Giovanni Ribisi appears as Angelo Dundee. The series explores Ali’s relationships and the experiences that shaped his identity both inside and outside the boxing ring.
Created by Ben Watkins, The Greatest is produced with involvement from Michael B. Jordan’s Outlier Society, Authentic Studios, Roc Nation and other production partners. Ali’s widow, Lonnie Ali, serves as an executive producer on the authorized project. All eight episodes will premiere exclusively on Prime Video on November 4th across more than 240 countries and territories.
