CinemaOSSeries · 2022 · 1 Season
21 Days Theory
71%(7)IMDbDrama

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.

Created byChoi Sittichai Chutsiri

Play
Status
Ended
Language
TH
First aired
August 7, 2022
Last aired
August 28, 2022
Seasons
1
Episodes
4
Network
YouTube

Season 1

Episodes

No episodes found for this season.

Featuring

Cast & crew

7 credited
Starring
Patsapon Jansuppakitkun

Patsapon Jansuppakitkun

X

Khunakorn Sunantham

Khunakorn Sunantham

Q

Prat Itthichaicharoen

Prat Itthichaicharoen

Toy

Jirayu Sahguansin

Jirayu Sahguansin

Frank

Warisara Jitpreedasakul

Warisara Jitpreedasakul

Mind

Pischapron Ketawattananon

Pischapron Ketawattananon

Mook

Sarawut Siriphet

Sarawut Siriphet

Man

Creative team
Created by
Choi Sittichai Chutsiri

Keep watching

More like this

We Got Game7.0

We Got Game

2022 · Series

Black School Rules7.0

Black School Rules

2019 · Series

Go Go Song6.0

Go Go Song

2019 · Series

La unidad7.1

La unidad

2020 · Series

Adarna

Adarna

2013 · Series

Alentejo Sem Lei7.0

Alentejo Sem Lei

1991 · Series

The Interceptor5.8

The Interceptor

2015 · Series

The Secret River7.1

The Secret River

2015 · Series

Bonnie & Clyde7.3

Bonnie & Clyde

2013 · Series

My Love Eun Dong6.5

My Love Eun Dong

2015 · Series

The Secret Life of Marilyn Monroe6.7

The Secret Life of Marilyn Monroe

2015 · Series

It's Okay, That's Love8.1

It's Okay, That's Love

2014 · Series

La Vecina7.9

La Vecina

2015 · Series

Takin' Over the Asylum8.4

Takin' Over the Asylum

1994 · Series

The Day of the Triffids6.5

The Day of the Triffids

1981 · Series

A Love to Kill6.0

A Love to Kill

2005 · Series

Century Falls6.2

Century Falls

1993 · Series

Almost Lover6.0

Almost Lover

2022 · Series

Hello My Love8.5

Hello My Love

2022 · Series

Picked for you

Recommended shows

One Tree Hill7.8

One Tree Hill

2003 · Series

The Fosters7.5

The Fosters

2013 · Series

Heated Rivalry8.7

Heated Rivalry

2025 · Series

Heartstopper8.6

Heartstopper

2022 · Series

Only Friends8.4

Only Friends

2023 · Series

Your Sky8.2

Your Sky

2024 · Series

Class Crush Crisis8.1

Class Crush Crisis

2026 · Series

South of Nowhere7.2

South of Nowhere

2005 · Series

My Life with the Walter Boys7.8

My Life with the Walter Boys

2023 · Series

Bel-Air7.7

Bel-Air

2022 · Series

FOREVER6.7

FOREVER

2025 · Series

I Told Sunset About You8.7

I Told Sunset About You

2020 · Series

Pit Babe8.0

Pit Babe

2023 · Series

We Are8.6

We Are

2024 · Series

The Newsreader7.4

The Newsreader

2021 · Series

SOTUS7.0

SOTUS

2016 · Series

Once and Again6.7

Once and Again

1999 · Series

You Maniac9.5

You Maniac

2026 · Series

Pretty Little Liars8.0

Pretty Little Liars

2010 · Series

The O.C.7.7

The O.C.

2003 · Series