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The 21-Day Theory

The 21-Day Theory

2025•45m•9.0/10
Drama

Ratings

🎬TMDb
9.0/10(1)

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

Open in PickFlick

Production

change2561

Language

TH

Status

Ended

First Aired

January 17, 2025

Last Aired

February 7, 2025

Networks

ONE 31, Viu

Trailers & Videos

Where to Watch
Region US · Lang EN
US
No providers available for this region.
Seasons & Episodes
Select a season to view episodes. Reddit links may contain spoilers.
Season
Episode 1
E1
Episode 1
Air date: 2025-01-17
Episode 2
E2
Episode 2
Air date: 2025-01-24
Episode 3
E3
Episode 3
Air date: 2025-01-31
Episode 4
E4
Episode 4
Air date: 2025-02-07

Cast

Narikun Ketprapakorn

Narikun Ketprapakorn

Pie

Supakorn Saokhor

Supakorn Saokhor

Boss

Pataraphol Wanlopsiri

Pataraphol Wanlopsiri

Euro

Dom Haetrakul

Dom Haetrakul

Barami

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