Triangle poster
Where to stream

Triangle

6.920141 seasonTV SeriesDrama

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.…

DirectorChoi Jung-kyu
WriterChoi Wan-gyu

Where to watch

Amazon Prime VideoAmazon Prime VideoU-NEXTU-NEXTFOD Channel Amazon ChannelFOD Channel Amazon ChannelKorean Drama Channel Amazon ChannelKorean Drama Channel Amazon ChannelAmazon Prime Video with AdsAmazon Prime Video with Ads
Availability shown for Japan · rights vary by country

Seasons & Episodes

E1
Episode 1
May 5, 2014
E2
Episode 2
May 6, 2014
E3
Episode 3
May 12, 2014
E4
Episode 4
May 13, 2014
E5
Episode 5
May 19, 2014
E6
Episode 6
May 20, 2014
E7
Episode 7
May 26, 2014
E8
Episode 8
May 27, 2014
E9
Episode 9
Jun 2, 2014
E10
Episode 10
Jun 3, 2014
E11
Episode 11
Jun 9, 2014
E12
Episode 12
Jun 10, 2014
E13
Episode 13
Jun 16, 2014
E14
Episode 14
Jun 17, 2014
E15
Episode 15
Jun 23, 2014
E16
Episode 16
Jun 24, 2014
E17
Episode 17
Jun 30, 2014
E18
Episode 18
Jul 1, 2014
E19
Episode 19
Jul 7, 2014
E20
Episode 20
Jul 8, 2014
E21
Episode 21
Jul 14, 2014
E22
Episode 22
Jul 15, 2014
E23
Episode 23
Jul 21, 2014
E24
Episode 24
Jul 22, 2014
E25
Episode 25
Jul 28, 2014
E26
Episode 26
Jul 29, 2014

Cast · Directed by Choi Jung-kyu

Kim Jae-joong
Kim Jae-joong
Heo Young-dal / Jang Dong-chul
Yim Si-wan
Yim Si-wan
Yoon Yang-ha / Jang Dong-woo
Lee Beom-soo
Lee Beom-soo
Jang Dong-soo
Oh Yeon-soo
Oh Yeon-soo
Hwang Shin-hye
Baek Jin-hee
Baek Jin-hee
Oh Jung-hee
Park Ji-yeon
Park Ji-yeon
Sung Yoo-jin
Kim Byeong-ok
Kim Byeong-ok
Ko Bok-tae
Kim Hye-eun
Kim Hye-eun
Kim Ok-kyung
Moon Jung-hyun
Moon Jung-hyun
Min Su
Hong Seok-cheon
Hong Seok-cheon
Man-kang
Kim Ji-young
Kim Ji-young
Oh Jung-hee's grandmother
Park Hyo-ju
Park Hyo-ju
Kang Jin

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Triangle — streaming FAQ

Which OTT platform streams Triangle?

Triangle is streaming on Amazon Prime Video, U-NEXT and FOD Channel in Japan, and available to rent or buy on Amazon Video. It's not currently on Netflix.

Is Triangle on Netflix?

No, Triangle is not on Netflix in Japan as of August 2026. It's currently on Amazon Prime Video and U-NEXT.

Is Triangle on Amazon Prime Video?

Yes — Triangle is included with an Amazon Prime Video subscription in Japan as of August 2026.

Where can I watch Triangle for free?

Triangle is available on Amazon Prime Video and U-NEXT in Japan, but you'll need an active subscription — there's no free option right now.

How many seasons are in Triangle?

Triangle has 1 season in total (26 episodes). The series concluded in 2014.

Are all episodes of Triangle out yet?

Yes — all 26 episodes across 1 season of Triangle are out and available to stream.

Is there a Season 2 of Triangle?

No — Triangle ended after 1 season, so there is no Season 2.