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21 Days Theory

21 วัน มีฉันมีเธอ
TMDb7.0IMDbView on IMDb ↗2022-08-07· 38 min / ep· 1 season · 4 episodes
Drama

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.

Top cast

Below are the streaming services currently carrying the TV show “21 Days Theory” in Canada, along with how each offers it (subscription, buy, or rent) and a direct link. Licensing differs by market, so availability in Canada can differ from other countries.

Where to watch 21 Days Theory in Canada

Netflix
Netflix
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OSN+
OSN+
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Amazon Prime Video
Amazon Prime Video
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Shahid
Shahid
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Watch It
Watch It
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TOD
TOD
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Disney+
Disney+
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Apple TV+
Apple TV+
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Not currently available on the supported providers in Canada.

Availability can change as licenses rotate — confirm on the provider’s page before subscribing. Last checked: 2 Sept 2026.

Where to watch 21 Days Theory by country