The 21-Day Theory poster

The 21-Day Theory( 2025)

TV-MADrama
90%
User
Score

Overview

Using the 21-Day Theory, a determined woman pursues a wealthy man to prove he's straight—but the truth defies her expectations.

    Series Cast

    1. cast image

      Narikun Ketprapakorn

      Pie

    2. cast image

      Supakorn Saokhor

      Boss

    3. cast image

      Pataraphol Wanlopsiri

      Euro

    4. cast image

      Dom Haetrakul

      Barami

    Current Season

    The 21-Day Theory season poster

    Season 1

    2025 | 4 Episodes

    Using the 21-Day Theory, a determined woman pursues a wealthy man to prove he's straight—but the truth defies her expectations.

    Social

    Review 0Discussion

    We don't have any reviews for The 21-Day Theory

    Media

    Videos 1Backdrops 2Posters 1

    Recommendations

    1. 21 Days Theory

      21 Days Theory67%

    2. Game of Thrones

      Game of Thrones85%

    3. I Am Not an Animal

      I Am Not an Animal86%

    4. Adolescence

      Adolescence79%

    5. The New Alfred Hitchcock Presents

      The New Alfred Hitchcock Presents72%

    6. High Potential

      High Potential80%

    7. The Closer

      The Closer79%

    8. Better Call Saul

      Better Call Saul87%

    9. Pawn Stars

      Pawn Stars71%

    10. Saturday Night Live

      Saturday Night Live69%

    11. Homecoming

      Homecoming70%

    12. The Real Housewives of Orange County

      The Real Housewives of Orange County54%

    13. I Love Lucy

      I Love Lucy79%

    14. Gunsmoke

      Gunsmoke66%

    15. Jericho

      Jericho74%

    16. Rizzoli & Isles

      Rizzoli & Isles79%

    17. Wentworth

      Wentworth81%

    18. Star Trek

      Star Trek80%

    19. Eureka

      Eureka78%

    20. The Prisoner

      The Prisoner77%

    Facts

    Status

    Ended

    Status

    network logo
    Type

    Scripted

    Original Language

    English

    Keywords

    • based on true story
    • gay theme
    • boys' love (bl)
    • melodrama