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Day 21 was released on April 8, 2025 but we couldn't find it on any streaming service yet. Rights can change — try again later.
Get the app to be notifiedCast · Directed by Dashiell Meier
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Day 21 — streaming FAQ
Which OTT platform streams Day 21?
Day 21 isn't streaming anywhere in United Kingdom yet.
Is Day 21 on Netflix?
No, Day 21 is not on Netflix in United Kingdom as of September 2026.
Is Day 21 on Amazon Prime Video?
No, Day 21 isn't on Amazon Prime Video in United Kingdom right now.
Where can I watch Day 21 for free?
Day 21 isn't streaming in United Kingdom yet, so there's no way to watch it free at the moment.
What is the OTT release date for Day 21?
Day 21 hasn't started streaming in United Kingdom yet. Based on the typical 6–8 week theatrical-to-streaming window, we estimate it will arrive around May 27, 2025. This is a prediction, not a confirmed date.
