

Web series
The 21-Day Theory
9.0(1)20251 season · 4 episodes45m / ep
Drama
Using the 21-Day Theory, a determined woman pursues a wealthy man to prove he's straight—but the truth defies her expectations.
- Status
- Ended
- Type
- Miniseries
- Last aired
- 2025-02-07
- Language
- Thai
ONE 31
Viu
- based on true story
- gay theme
- boys' love (bl)
- melodrama
Seasons
Top billed cast
Behind the camera
Director
Produced in
Thailand
Gallery


Videos
Air dates
- First aired
- 2025-01-17
- Latest episode
- 2025-02-07
- Status
- Ended
- Next release
- Completed
- Season 117 Jan 2025
Frequently asked questions
Streaming availability for The 21-Day Theory in India is not confirmed yet. Check back soon.
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