Where to watch
Case of Umon: Hell’s Windmill isn't on any streaming service in United States right now, but it's available in Japan. Streaming rights are licensed per country.
Cast · Directed by Tadashi Sawashima
More from Ryutaro Otomo · Lead actor
More from Kōtarō Satomi · Co-star actor
More from Tadashi Sawashima · Director
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Case of Umon: Hell’s Windmill — streaming FAQ
Which OTT platform streams Case of Umon: Hell’s Windmill?
Case of Umon: Hell’s Windmill isn't on any streaming service in United States yet, but it's available in Japan. Streaming rights differ by country — switch your country in the header to see where.
Is Case of Umon: Hell’s Windmill on Netflix?
No, Case of Umon: Hell’s Windmill is not on Netflix in United States as of September 2026.
Is Case of Umon: Hell’s Windmill on Amazon Prime Video?
No, Case of Umon: Hell’s Windmill isn't on Amazon Prime Video in United States right now.
Where can I watch Case of Umon: Hell’s Windmill for free?
Case of Umon: Hell’s Windmill isn't streaming in United States yet, so there's no way to watch it free at the moment.
Is there a sequel to Case of Umon: Hell’s Windmill?
Yes — Case of Umon: Hell’s Windmill is followed by Case of Umon: The Nanbanzame Murders (1961) in the Case of Umon Collection.
Is there a prequel to Case of Umon: Hell’s Windmill?
Yes — Case of Umon: One-Eyed Wolf (1959) comes before Case of Umon: Hell’s Windmill in the Case of Umon Collection.
Is Case of Umon: Hell’s Windmill part of a trilogy?
No — Case of Umon: Hell’s Windmill is part of the Case of Umon Collection, which has 7 films.
How many movies are in the Case of Umon Collection?
There are 7 films in the Case of Umon Collection: Case of Umon: One-Eyed Wolf (1959), Case of Umon: Hell’s Windmill (1960), Case of Umon: The Nanbanzame Murders (1961), Case of Umon: Woman of the Magic Lantern (1961), The Eve of the Chinese Festival (1962), Case of Umon: Red Lizard (1962) and Cases of Umon: The Woman with an Umbrella (1963).
