Joker: Unforgiven Investigator
Date Kazuyoshi (Sakai) is a detective on the Kanagawa prefectural police force. During the day, he is known as a "Buddha" for his gentle personality, pouring all of his energy into resolving each case. At night, however, he transforms into a cruel punisher as his gentleness gives way to his anger towards the criminals. The series poses questions about what justice and evil truly are. Tokyograph
Below are the streaming services currently carrying the TV show “Joker: Unforgiven Investigator” 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 Joker: Unforgiven Investigator in United Kingdom
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Not currently available on the supported providers in United Kingdom.
Availability can change as licenses rotate — confirm on the provider’s page before subscribing. Last checked: 15 Sept 2026.