Bloodsport 4: The Dark Kumite is a 1999 martial arts sports action film directed by Elvis Restaino, from a script written by George Saunders, while Alan Mehrez once again serves as producer. It is the fourth installment overall in the Bloodsport film series. Daniel Bernhardt returns to the series, albeit in the new role of John Keller. It was released direct-to-video in 1999.

Plot

Agent John Keller goes undercover into the tough prison known as Fuego Penal to find out about the corpses of prisoners disappearing without a trace. There he gets involved in a dangerous tournament, the Kumite, arranged by a man named Justin Caesar, where the prisoners are forced to fight to the death. The tournament has only one rule: There are no rules.