Siren
サイレーン
We checked 8 streaming services in India on 04 Jun 2026 at 12:08 IST
About
Satomi Shinobu works in the Mobile Investigation Unit of The Tokyo Metropolitan Police Department. The Mobile Investigation Unit conducts the initial investigation at all crime scenes. He works with Inokuma Yuki. They are a couple, but they keep their relationship a secret at work. They both hope to work at the #1 Investigation Station. One day, they meet beautiful Tachibana Kara at the site where a dead body was found. Kara appears at the other crime scenes involving grotesque murders. She shows an interest in Yuki. Satomi Shinobu thinks it's a bad sign for Yuki. To protect his girlfriend from danger, he struggles to find uncover the truth behind the serial murder cases and Kara’s identity.
Cast
Seasons
Where does Siren rank today?
Siren is #5569 on the Bowood.TV Daily Streaming Charts today.
- Highest: #5569
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Watch Siren Online Free — All Episodes in HD
If you've been searching for Siren all episodes in HD, Bowood.TV has you covered. This popular Japanese drama and mystery title from 2015 is available to stream instantly — no ads to fight through, no paid subscriptions, no annoying redirects.
About Siren
Satomi Shinobu works in the Mobile Investigation Unit of The Tokyo Metropolitan Police Department. The Mobile Investigation Unit conducts the initial investigation at all crime scenes. He works with Inokuma Yuki. They are a couple, but they keep their relationship a secret at work. They both hope to work at the #1 Investigation Station. One day, they meet beautiful Tachibana Kara at the site where a dead body was found. Kara appears at the other crime scenes involving grotesque murders. She shows an interest in Yuki. Satomi Shinobu thinks it's a bad sign for Yuki. To protect his girlfriend from danger, he struggles to find uncover the truth behind the serial murder cases and Kara’s identity. Across 1 season and 9 episodes, originally airing on Fuji TV.
Siren Cast and Characters
The cast features Tori Matsuzaka (as Shinobu Satomi), Fumino Kimura (as Yuki Inokuma), Nanao (as Kara Tachibana), Hiromitsu Kitayama (as Sho Hayami), and Jun Kaname (as Kei Arimoto). Their performances are a major reason Siren has built such a passionate audience.
Where to Watch Siren Online
Want to watch Siren online without paying? Bowood.TV is the easiest way. Click play and the series starts in seconds. No popups, no "5 day trial that auto-charges" — just the show.
▶ Watch Siren NowWhy People Are Watching Siren
Siren flies under the radar but it deserves your attention. What makes it work is emotional weight that hits where it counts and tight pacing that earns its twists. If you enjoy Japanese storytelling that doesn't follow the same tired beats, this is the kind of show you'll end up recommending to friends.
Frequently Asked Questions about Siren
Where can I watch Siren online for free?
You can watch Siren online free on Bowood.TV. Just open the page and hit play — no signup, no subscription, full HD streaming on phone, tablet, or desktop.
How many episodes does Siren have?
Siren has 9 episodes across 1 season. All episodes are available to stream right here on Bowood.TV.
Is Siren good? What's the rating?
Siren holds a 6.5/10 rating based on 3 reviews — a solid pick if the genre interests you.
Who is in the cast of Siren?
The main cast includes Tori Matsuzaka, Fumino Kimura, Nanao, and Hiromitsu Kitayama, plus a strong supporting ensemble.
Is Siren available in Japanese?
Yes — Siren was originally produced in Japanese and that's the version you'll stream here on Bowood.TV. English subtitles are provided when available.
When was Siren released?
Siren first aired in 2015.
Do I need an account to watch Siren on Bowood.TV?
No. Bowood.TV is free and you can watch Siren without creating an account. Sign-up is optional — only useful if you want a personal Watchlist or to comment on episodes.
Similar Series You Might Like
If you enjoyed Siren, check out Nameless Poison, Hawaii, NYPD Blue, Pacific Blue, and Dexter: Resurrection.
Frequently Asked Questions
Where can I watch Siren for free?
You can watch Siren online for free on Bowood.TV. All 9 episodes across 1 season are available to stream in HD without a subscription, signup, or paywall. Just open the show page and press play.
How many seasons and episodes does Siren have?
Siren currently has 1 season and a total of 9 episodes. The series status is "Ended", so the episode count may grow as new seasons are released. You can browse the full episode list on Bowood.TV and continue watching from where you left off.
What is Siren about?
Satomi Shinobu works in the Mobile Investigation Unit of The Tokyo Metropolitan Police Department. The Mobile Investigation Unit conducts the initial investigation at all crime scenes. He works with Inokuma Yuki. They are a couple, but they keep their relationship a secret at work. They both hope to work at the #1… It belongs to the Drama, Mystery genres.
In which language is Siren originally available?
Siren was originally produced in JA. On Bowood.TV the show is available in its original JA audio. Check the player options on the watch page for available subtitle tracks.
When was Siren first released?
Siren first premiered on October 20, 2015 (2015). The series has since concluded its run.
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