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
Yonimo Kimyou na Monogatari Tokubetsuhen
1990 · 9.5
SMAP×SMAP
1996 · 8.5
HANA-KIMI
2007 · 7.4
Take Five: Should we Steal for Love?
2013 · 7.0
Yu Yu Hakusho
2023 · 7.5
Let's Go to School!
1997
Seishun kazoku
1989
稲垣吾郎の金田一耕助シリーズ
2004 · 9.0
School Lawyer: Finding the Colors of the Stars
2025 · 7.0
13 Assassins
2010 · 7.3
See all fromGoro Inagaki
More from Yosuke Eguchi · Co-star actor
Yonimo Kimyou na Monogatari Tokubetsuhen
1990 · 9.5
Emergency Room 24 Hours
1999 · 7.4
Cold Case: Door of Truth
2016 · 8.2
Furuhata Ninzaburo
1994 · 8.8
House of Ninjas
2024 · 7.2
Strategist KANBE
2014 · 9.4
BG: Personal Bodyguard
2018 · 7.1
Tokyo Love Story
1991 · 8.4
The Great White Tower
2003 · 9.1
Under One Roof
1993 · 7.7
See all fromYosuke Eguchi
More like this
Galileo
2007 · 8.2
The Files of Young Kindaichi
2022 · 6.9
AIBOU: Tokyo Detective Duo
2002 · 7.5
Furuhata Ninzaburo
1994 · 8.8
Kindaichi Case Files
1997 · 8.1
The Apothecary Diaries
2023 · 8.7
Monogatari
2009 · 8.1
Monster
2004 · 8.5
Black Butler
2008 · 7.8
Classroom of the Elite
2017 · 8.4
BEASTARS
2019 · 8.4
Doctor-X: Surgeon Michiko Daimon
2012 · 7.5
Triangle — streaming FAQ
Which OTT platform streams Triangle?
Triangle isn't streaming anywhere in Australia yet.
Is Triangle on Netflix?
No, Triangle is not on Netflix in Australia as of October 2026.
Is Triangle on Amazon Prime Video?
No, Triangle isn't on Amazon Prime Video in Australia right now.
Where can I watch Triangle for free?
Triangle isn't streaming in Australia 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.
