Where to watch
Hi-YAH
Hi-YAH Amazon Channel
Cast · Directed by Tsai Tsung-yu
More from Tsai Tsung-yu · Lead actor
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Monster Under The River — streaming FAQ
Which OTT platform streams Monster Under The River?
Monster Under The River is streaming on Hi-YAH in United States. It's not currently on Netflix.
Is Monster Under The River on Netflix?
No, Monster Under The River is not on Netflix in United States as of September 2026. It's currently on Hi-YAH.
Is Monster Under The River on Amazon Prime Video?
No, Monster Under The River isn't on Amazon Prime Video in United States right now. It's on Hi-YAH instead.
Where can I watch Monster Under The River for free?
Monster Under The River is available on Hi-YAH in United States, but you'll need an active subscription — there's no free option right now.
Is there a sequel to Monster Under The River?
Monster Under The River is currently the latest film in the Water Monster Collection.
Is there a prequel to Monster Under The River?
Yes — Water Monster 2 (2021) comes before Monster Under The River in the Water Monster Collection.
Is Monster Under The River part of a trilogy?
Yes — Monster Under The River is part of a trilogy, alongside The Water Monster (2019) and Water Monster 2 (2021).
How many movies are in the Water Monster Collection?
There are 3 films in the Water Monster Collection: The Water Monster (2019), Water Monster 2 (2021) and Monster Under The River (2023).
