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The 21-Day Theory
The 21-Day Theory
TV Series
Ended
The 21-Day Theory
9.0/10
2025
1 Season
4 Episodes
Drama

Overview

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

Created By

Saithip Montrikun Na Ayudhaya, Vorarit Vaijairanai

Select Season

1 Season • 4 Episodes Total

Season 1

4 Episodes • Aired January 2025

Season 1

Overview

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

Episodes

4

First Aired

Jan 2025

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CineVault
CineVault

Your ultimate destination for discovering movies and TV shows. Explore trending content, curated collections, and regional cinema from around the world.

Browse

  • Movies
  • TV Shows
  • Genres
  • Indian Cinema

Account

  • My Watchlist
  • Watch History
  • Settings

Legal

  • Privacy Policy
  • Terms of Service
  • Contact Us

© 2026 CineVault. All rights reserved.

Powered by TMDB. This product uses the TMDB API but is not endorsed or certified by TMDB.