Boyka: Undisputed IV
In the fourth installment of the fighting franchise, Boyka is shooting for the big leagues when an accidental death in the ring makes him question everything he stands for. When he finds out the wife of the man he accidentally killed is in trouble, Boyka offers to fight in a series of impossible battles to free her from a life of servitude.
Below are the streaming services currently carrying the movie “Boyka: Undisputed IV” in the United Kingdom, along with how each offers it (subscription, buy, or rent) and a direct link. Licensing differs by market, so availability in the United Kingdom can differ from other countries.
Where to watch Boyka: Undisputed IV in United Kingdom
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Availability can change as licenses rotate — confirm on the provider’s page before subscribing. Last checked: 22 Sept 2026.