Sink
When her teenage son in his final year of school is suspended after a troubling outburst, his mother Nadia is determined to help him convincing herself he just needs guidance. But as Basil's mental state slowly unravels, she ignores the warning signs sinking deeper into denial as disaster approaches.
Below are the streaming services currently carrying the movie “Sink” 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 Sink 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: 19 Sept 2026.