Where to watch Triangle in Japan
Triangle is streaming on Amazon Prime Video, U-NEXT, FOD Channel Amazon Channel, Korean Drama Channel Amazon Channel and Amazon Prime Video with Ads in Japan, and available to rent or buy on Amazon Video. Availability checked 27 May 2026.
About Triangle
Triangle is a 2014 web series in the Drama genre, starring Kim Jae-joong, Yim Si-wan and Lee Beom-soo. It spans 1 season and 26 episodes, and originally aired on MBC. It holds an average rating of 6.9/10 from 4 viewers. Below you can see where to watch Triangle in Japan — across streaming, rental and purchase options — along with the full cast, trailer and viewer reviews.
Overview
When three brothers were very young, they lost their parents. The three brothers were then separated and lived apart for 20 years without knowing of each other. They then meet again unexpectedly and begin their relationship as brothers. Jang Dong-Soo (Lee Beom-Soo) is the oldest brother. He works as a detective. Jang Dong-Woo (Siwan) is the youngest brother. He was adopted by a rich family when he was a baby and became Yoon Yang-Ha. He is cynical and cold.
Seasons (1)
- Season 126 episodes · 2014
Top cast
Kim Jae-joong
Heo Young-dal / Jang Dong-chul
Yim Si-wan
Yoon Yang-ha / Jang Dong-woo
Lee Beom-soo
Jang Dong-soo
Oh Yeon-soo
Hwang Shin-hye
Baek Jin-hee
Oh Jung-hee
Park Ji-yeon
Sung Yoo-jin
Kim Byeong-ok
Ko Bok-tae
Kim Hye-eun
Kim Ok-kyung
Moon Jung-hyun
Min Su
Hong Seok-cheon
Man-kang
Kim Ji-young
Oh Jung-hee's grandmother
Park Hyo-ju
Kang Jin
Jung Ji-yoon
Kang Hyun-mi
Noh Young-hak
Jang Dong-soo (young)
Kim So-hyun
Hwang Shin-hye (young)
Kim Byeong-gi
Yoon Tae-jun
Oh Soon-tae
Wan Bae
Frequently asked questions
Where can I watch Triangle in Japan?+
In Japan, you can stream Triangle on Amazon Prime Video, U-NEXT, FOD Channel Amazon Channel, Korean Drama Channel Amazon Channel and Amazon Prime Video with Ads. It's also available to rent or buy on Amazon Video.
Is Triangle on Netflix?+
Triangle is not on Netflix in Japan right now, but you can stream it on Amazon Prime Video, U-NEXT, FOD Channel Amazon Channel, Korean Drama Channel Amazon Channel and Amazon Prime Video with Ads.
How many seasons of Triangle are there?+
Triangle has 1 season and 26 episodes in total.
Who stars in Triangle?+
Triangle stars Kim Jae-joong, Yim Si-wan, Lee Beom-soo, Oh Yeon-soo and Baek Jin-hee.
When did Triangle come out?+
Triangle is a 2014 web series.
What genre is Triangle?+
Triangle is Drama series.
User reviews
No reviews yet — be the first to review Triangle.
