THE KINGS spotlights boxing's evolution from the end of Muhammad Ali's era to the era of the Four Kings, set against the seismic political and socio-economic shifts taking place in the United States.

Through in-depth interviews and archival footage, the series also examines the very personal battles that each man waged on his unique journey to the center of the sports world.

Blu-ray details:   Runtime: 3 hrs 52 mins, full Showtime broadcasts.