Need to watch "Sai" in the comfort of your own home? Hunting down a streaming service to buy, rent, download, or play the mystery TV series via subscription can be difficult, so we here at Moviefone want to take the pressure off.

Below, you’ll find a number of top-tier streaming and cable services – including rental, purchase, and subscription platforms – along with the availability of "Sai" on each platform. Now, before we get into the fundamentals of how you can watch "Sai" right now, here are some details about the WOWOW Prime show.

Originally premiering April 6th, 2025, "Sai" stars Teruyuki Kagawa, Anne Nakamura, Pistol Takehara, Ryuhei Matsuda. The series runs 1 season(s), and has a score of 90 (out of 100) on TMDB, which compiled reviews from 1 top people.

You probably already know what the show's about, but just in case... Here’s the plot: "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."

"Sai" is currently available to stream via subscription, rental, or purchase on .