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TV series

Sai

Latest episode

S1 E6

About Sai

Sai is a mystery TV series that premiered on WOWOW Prime on April 6, 2025. It has 1 season and 6 episodes so far and has ended. The latest episode, Season 1 Episode 6, aired on May 11, 2025.

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.

  • Mystery

Last updated

Episodes

6 episodes · 1 season

Season 1

2025 · 6 episodes · Last episode: 1 year ago

Sai Season 1 release dates →
  1. Sai S1 E6 still E6

    6. Episode 6

    Finale

    Misae (Maki Sakai), a housewife, is invited by her friend Ryoko (Asuka Kurosawa) to start exercising at the public pool, but soon finds out a secret about her husband Kazuhisa (Ryushin Tei). Meanwhile, Domoto and Kikuchi are closing in on the existence of a "man" behind several suspicious deaths that were thought to be unrelated. What is the true identity of the "disaster" that strikes people, and who is the "man"?

  2. Sai S1 E5 still E5

    5. Episode 5

    A residential area near the sea in Kanagawa. The owner of the house, Sawada, died in an unfortunate accident that occurred in the garage of his house. After hearing the story from Sawada's wife Akari (Yamada Maho), Domoto (Nakamura Anne) suspects that it was just an accident and begins an investigation with his junior detective, Kikuchi (Miyachika Kaito). Meanwhile, Iida (Takehara Pistol) tries to find the invisible person involved in the series of suspicious deaths that Domoto is investigating. Then, a "man" appears before them.

  3. Sai S1 E4 still E4

    4. Episode 4

    Kishi Fumiya (Jiro) struggles to turn around the hot spring inn left to him by his late father. Meanwhile, Kishi's younger brother Toshiya (Eita Okuno) plots to start a new business by ingratiating himself with local influential figure Sakurai (Hirotaro Honda). The two have a deep-rooted feud over Kishi's ex-wife Akane (Saori), and the rift between Kishi and Toshiya deepens. In the midst of all this, a "man" appears before the two brother.

  4. Sai S1 E3 still E3

    3. Episode 3

    Iori (Uchida Chika), a cleaner at a shopping mall, is shy and unable to find hope in life. One day, Iori meets and interacts with Minagawa (Fujiwara Kisetsu), who works at a barbershop in the same shopping mall. Minagawa also has a secret that he cannot tell anyone, and feels a similarity between him and the lonely Iori, and the two of them begin to grow closer. Then, a "man" appears before the two of them.

  5. Sai S1 E2 still E2

    2. Episode 2

    Kuramoto (Matsuda Ryuhei), who works as a mechanic at a transportation company in Fukuoka, has a guilty past. He caused an accident while driving under the influence of alcohol, resulting in the death of someone. Because of that incident, his wife Kana (Sato Miyuki) left him, and Kuramoto, who still has feelings for her, tells his mother-in-law Ikuko (Kamino Misuzu) that he has quit drinking and reformed. Kuramoto faces his own mistakes and tries to move forward little by little. However, a "man" appears before him.

  6. Sai S1 E1 still E1

    1. Episode 1

    Yuri Kitagawa (Sena Nakajima), a high school student studying for entrance exams, spends her days alone, troubled by her tenuous family relationships. Her love life is not going well, and she is struggling to choose her future career due to her family's financial situation. One day, a "certain man" (Teruyuki Kagawa) appears before Yuri. Yuri begins to open up to the man, but soon a terrible "disaster" befalls her.

Sai FAQ

Will there be new episodes of Sai?

Sai has ended, so no new episodes are scheduled. The final episode aired on May 11, 2025.

When did the latest episode of Sai come out?

The most recent episode of Sai, Season 1 Episode 6, aired on May 11, 2025.

How many seasons of Sai are there?

Sai has 1 season with 6 episodes in total.

When did Sai first air?

Sai first aired on WOWOW Prime on April 6, 2025.

How do I get notified when new episodes of Sai are released?

Download the Streambay app, follow Sai, and you'll get a push notification the moment each new episode is released.

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