Home
Movies
TV-Series
Top IMDb
Updates
Browser

123Movies — watch movies online for free and discover the latest movies and TV series without registration.

Disclaimer: This site does not store any files on its server. All contents are provided by non-affiliated third parties.

Genres

Drama
Comedy
Documentary
Thriller
Crime
Horror

Country

United States of America
United Kingdom
Canada
France
Japan
Germany

Watch Free

Home
Movies
TV-Series
Top IMDb
Recently Updated
Search & Filter

Help

Browse
Sitemap

Trailers shown here are official content embedded from YouTube. Watch the full titles on the rights-holders' official streaming platforms.© 2026 123Movies. All rights reserved.

Watch The On1y One TV Online - 123Movies

Home
Movies
TV-Series
Top IMDb
Updates
Browser

Servers

Episodes

1 seasons

Seasons

Season 1 · Episode 1 · The On1y One

1 2 3 4 5 6 7 8 9 10 11 12

Now playing

The On1y One - Season 1

Home
TV
The On1y One - Season 1

The On1y One - Season 1

IMDb8.7HD202460 min

When their parents marry, two high school students become stepbrothers and navigate their relationship, turning from enemies into something more special.

Country: Taiwan
Genres: Drama, Comedy
Released: 2024-08-22
Created by: Mu Suli, Liu Kuang-Hui
Casts: Liu Dongqin, Benjamin Tsang, Samuel Ku

8.7 of 10 (30 votes)

1,348 Shares

Share this show and let others know!

You may also like

Stay With Me - Season 1

Stay With Me - Season 1

Because of You - Season 1

Because of You - Season 1

Billy & Billie - Season 1

Billy & Billie - Season 1

Olive Kitteridge - Season 1

Olive Kitteridge - Season 1

Glamorous - Season 1

Glamorous - Season 1

It Started With a Kiss - Season 1

It Started With a Kiss - Season 1

Speed and Love - Season 1

Speed and Love - Season 1

Carter - Season 1

Carter - Season 1

Never Have I Ever - Season 1

Never Have I Ever - Season 1

The Horror of Dolores Roach - Season 1

The Horror of Dolores Roach - Season 1

123Movies — watch movies online for free and discover the latest movies and TV series without registration.

Disclaimer: This site does not store any files on its server. All contents are provided by non-affiliated third parties.

Genres

Drama
Comedy
Documentary
Thriller
Crime
Horror

Country

United States of America
United Kingdom
Canada
France
Japan
Germany

Watch Free

Home
Movies
TV-Series
Top IMDb
Recently Updated
Search & Filter

Help

Browse
Sitemap

Trailers shown here are official content embedded from YouTube. Watch the full titles on the rights-holders' official streaming platforms.© 2026 123Movies. All rights reserved.

More from this cast & crew

One Tree Hill - Season 1

One Tree Hill - Season 1

My Life with the Walter Boys - Season 1

My Life with the Walter Boys - Season 1

Exclusive Fairytale - Season 1

Exclusive Fairytale - Season 1

With Love - Season 1

With Love - Season 1

The Vince Staples Show - Season 1

The Vince Staples Show - Season 1

La Máquina - Season 1

La Máquina - Season 1

Love, Victor - Season 1

Love, Victor - Season 1

Love is Sweet - Season 1

Love is Sweet - Season 1

The Untamed - Season 1

The Untamed - Season 1

Forever - Season 1

Forever - Season 1