Where to watch 21 Days Theory (2022) in the UK
21 Days Theory (2022) is not currently listed on any UK streaming, rental, or purchase service. Last verified on 21 August 2026 by ScreenSearch.
A playful rivalry turns into something more when a cocky senior dares his classmate to win the school’s top celebrity’s heart in just 21 days.
Watch the trailer
21วัน มีฉันมีเธอ [Official Teaser]
Streaming options in the United Kingdom
Updated daily from The Movie Database. Outbound links open the provider directly.
This may be because: (a) the title hasn't been released in the UK yet, (b) it's on physical media only, or (c) the licence has temporarily lapsed. Streaming availability changes frequently — check back daily.
Last verified: — sourced from The Movie Database. Machine-readable: Markdown · JSON.
Is 21 Days Theory on Netflix, Disney+ or Prime Video?
Quick answers for the UK's biggest streaming services, checked against today's data.
Netflix
No — 21 Days Theory (2022) is not currently on Netflix in the UK, and no other UK streaming, rental, or purchase listing was found in today's data. Licences change frequently — check back soon.
Amazon Prime Video
No — 21 Days Theory (2022) is not currently on Amazon Prime Video in the UK, and no other UK streaming, rental, or purchase listing was found in today's data. Licences change frequently — check back soon.
Disney+
No — 21 Days Theory (2022) is not currently on Disney+ in the UK, and no other UK streaming, rental, or purchase listing was found in today's data. Licences change frequently — check back soon.
Cast & crew
Top-billed cast in 21 Days Theory.
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Patsapon JansuppakitkunX -
Khunakorn SunanthamQ -
Prat ItthichaicharoenToy -
Jirayu SahguansinFrank -
Warisara JitpreedasakulMind -
Pischapron KetawattananonMook -
Sarawut SiriphetMan
More drama on UK streaming
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21 Days Theory — frequently asked questions
Where can I watch 21 Days Theory in the UK?
21 Days Theory (2022) is not currently listed by any UK streaming, rental, or purchase service in our daily-updated TMDB feed. It may be on physical media, an aggregator, or pending a UK release. Check back later — availability changes frequently.
Are all seasons of 21 Days Theory on the same service?
Not always — TV licensing is sometimes negotiated season by season. ScreenSearch shows availability across all seasons on the title's page; for season-specific availability, look at the season picker inside the search dialog.
Is 21 Days Theory on Netflix in the UK?
No — 21 Days Theory (2022) is not currently on Netflix in the UK, and no other UK streaming, rental, or purchase listing was found in today's data. Licences change frequently — check back soon.
Is 21 Days Theory on Amazon Prime Video in the UK?
No — 21 Days Theory (2022) is not currently on Amazon Prime Video in the UK, and no other UK streaming, rental, or purchase listing was found in today's data. Licences change frequently — check back soon.
Is 21 Days Theory on Disney+ in the UK?
No — 21 Days Theory (2022) is not currently on Disney+ in the UK, and no other UK streaming, rental, or purchase listing was found in today's data. Licences change frequently — check back soon.
How accurate is this TV series's availability data?
Availability is sourced from The Movie Database (TMDB), which in turn pulls from JustWatch. Listings are refreshed daily. For purchase decisions, the provider's own site is the source of truth.
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