E1
Who killed the girl?
Where to watch
Not streaming yet
Coming soon
No streaming availability found for Triangle anywhere yet.
Seasons & Episodes
E2
Letter from the past
E3
The suspect
E4
Shocking confession
E5
The obliterated truth
E6
The remorseful killer
E7
Shanghai night, the bond that tears
E8
Alibi
E9
The other side of truth
E10
Those who bear the cross
E11
Final
Cast
More from Goro Inagaki · Lead actor
SMAP×SMAP
1996 · 8.5
Yonimo Kimyou na Monogatari Tokubetsuhen
1990 · 9.5
HANA-KIMI
2007 · 7.4
Yu Yu Hakusho
2023 · 7.5
13 Assassins
2010 · 7.3
Take Five: Should we Steal for Love?
2013 · 7.0
Children of the Sea
2019 · 7.1
One Piece: Giant Mecha Soldier of Karakuri Castle
2006 · 6.9
Shinryochu In The Room
2013
The Swallows Don't Come Back
2024 · 7.0
See all fromGoro Inagaki
More from Yosuke Eguchi · Co-star actor
House of Ninjas
2024 · 7.2
Yonimo Kimyou na Monogatari Tokubetsuhen
1990 · 9.5
Emergency Room 24 Hours
1999 · 7.4
Furuhata Ninzaburo
1994 · 8.8
Cold Case ~Shinjitsu no Tobira~
2016 · 8.2
Tokyo Love Story
1991 · 8.4
The Great White Tower
2003 · 9.1
BG: Personal Bodyguard
2018 · 7.1
Rurouni Kenshin: The Final
2021 · 7.7
Rurouni Kenshin Part I: Origins
2012 · 7.5
See all fromYosuke Eguchi
More like this
Galileo
2007 · 8.2
AIBOU: Tokyo Detective Duo
2002 · 7.5
Burn the House Down
2023 · 7.2
The Files of Young Kindaichi
2022 · 6.8
Furuhata Ninzaburo
1994 · 8.8
Kindaichi Case Files
1997 · 8.1
Doctor-X: Surgeon Michiko Daimon
2012 · 7.5
The Apothecary Diaries
2023 · 8.6
Kamen Rider Kuuga
2000 · 9.0
Monogatari
2009 · 8.1
Classroom of the Elite
2017 · 8.4
Monster
2004 · 8.5
Triangle — streaming FAQ
Which OTT platform streams Triangle?
Triangle isn't streaming anywhere in United States yet.
Is Triangle on Netflix?
No, Triangle is not on Netflix in United States as of September 2026.
Is Triangle on Amazon Prime Video?
No, Triangle isn't on Amazon Prime Video in United States right now.
Where can I watch Triangle for free?
Triangle isn't streaming in United States yet, so there's no way to watch it free at the moment.
How many seasons are in Triangle?
Triangle has 1 season in total (11 episodes). The series concluded in 2009.
Are all episodes of Triangle out yet?
Yes — all 11 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.
