MOVIE
What Mary Didn't Know
Romance
On a cruise ship in the Mediterranean, a Swedish teenager falls in love with a young member of the crew.
Below are the streaming services currently carrying the movie “What Mary Didn't Know” 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 What Mary Didn't Know in United Kingdom
Netflix
Not available on this platform
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OSN+
Not available on this platform
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- Not available
Amazon Prime Video
Not available on this platform
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Shahid
Not available on this platform
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Watch It
Not available on this platform
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TOD
Not available on this platform
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Disney+
Not available on this platform
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Apple TV+
Not available on this platform
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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: 22 Sept 2026.