A mysterious man appears before six individuals, each struggling with their own issues, as an impending disaster disrupts their lives, unraveling suspense and psychological tension.
Writers: Kentaro Hirase, Yutaro Seki
A mysterious man appears before six individuals, each struggling with their own issues, as an impending disaster disrupts their lives, unraveling suspense and psychological tension.
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Sai is a 2025 mystery TV series from Japan, starring Teruyuki Kagawa, Anne Nakamura and Pistol Takehara. It first aired on April 6, 2025. The series has 1 season and 6 episodes on WOWOW Prime. Episodes run about 1 h 0 min, in Japanese. Audiences rate it 7.5/10 from 11 votes — well received.
Sai premiered on April 6, 2025.
The main cast includes Teruyuki Kagawa, Anne Nakamura, Pistol Takehara, Ryuhei Matsuda and Sena Nakajima.
Sai has 1 season (6 episodes). Status: Ended.
No streaming service lists it for US yet. Add it to your watchlist and check back — availability updates regularly.
It holds an audience score of 7.5/10 from 11 ratings, so fans of mystery titles are its best audience. Read member reviews below or add your own.
Every episode's audience rating at a glance — find the best (and worst) episodes before you binge.
| E1 | E2 | E3 | E4 | E5 | E6 | |
|---|---|---|---|---|---|---|
| S1 | – | – | – | – | – | – |
9+ Awesome8+ Great7+ Good6+ Regular<6 Bad
disasterconflictpsychological thriller
Teruyuki Kagawa
Anne Nakamura
Pistol Takehara
Ryuhei Matsuda
Sena Nakajima
Chika Uchida
Miyachika Kaito
Jiro
Maki Sakai
Yumi Adachi