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
Seishun kazoku
1989
Let's Go to School!
1997
Yu Yu Hakusho
2023 · 7.5
Honto ni Atta Kowai Hanashi
2004 · 7.0
13 Assassins
2010 · 7.3
Take Five: Should we Steal for Love?
2013 · 7.0
稲垣吾郎の金田一耕助シリーズ
2004 · 9.0
See all fromGoro Inagaki
More from Yosuke Eguchi · Co-star actor
Yonimo Kimyou na Monogatari Tokubetsuhen
1990 · 9.5
Furuhata Ninzaburo
1994 · 8.8
Cold Case: Door of Truth
2016 · 8.2
Emergency Room 24 Hours
1999 · 7.4
Strategist KANBE
2014 · 9.4
House of Ninjas
2024 · 7.2
The Great White Tower
2003 · 9.1
Tokyo Love Story
1991 · 8.4
Under One Roof
1993 · 7.7
BG: Personal Bodyguard
2018 · 7.4
See all fromYosuke Eguchi
More like this
Galileo
2007 · 8.2
Kindaichi Case Files
1997 · 8.1
AIBOU: Tokyo Detective Duo
2002 · 7.5
The Files of Young Kindaichi
2022 · 6.9
Furuhata Ninzaburo
1994 · 8.8
Doctor-X: Surgeon Michiko Daimon
2012 · 7.7
The Apothecary Diaries
2023 · 8.7
Monogatari
2009 · 8.1
Monster
2004 · 8.5
Classroom of the Elite
2017 · 8.4
BEASTARS
2019 · 8.4
Black Butler
2008 · 7.8
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 November 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.
