The Demon Slayer’s final battle against the most powerful and evil force began with the release of Demon Slayer: Kimetsu no Yaiba Infinity Castle. The movie arrived in theaters in 2025 and drew massive crowds eager to watch the Demon Slayer Corps battle inside the Infinity Castle. With shocking, unexpected deaths and heart-wrenching stories that pulled audiences in, the film earned nearly $750 million worldwide.

This made it the highest-grossing international film in the U.S. It was a massive theatrical success, and fans have long awaited the film’s streaming release date. Now, the film, which was expected to arrive on Netflix for streaming, is finally set to grace the platform more than a year after its release.

Release date of Demon Slayer: Kimetsu no Yaiba Infinity Castle

Demon Slayer: Kimetsu no Yaiba Infinity Castle will arrive on Netflix on September 28, 2026. This is the first film in the trilogy set to chronicle the final battle arc in the manga on which it is based. The film is directed by Haruo Sotozaki and produced by Ufotable. 

The movie, set to arrive this September, also features the same familiar cast who lent their voices to the characters throughout the first four seasons.

Cast of Demon Slayer: Kimetsu no Yaiba Infinity Castle

Hanae Natsuki as Tanjiro Kamado: The voice actor has been part of several animated shows and films. He voiced Ken Kaneki in Tokyo Ghoul and Arima in Your Lie in April.

Kitō Akari as Nezuko Kamado: Kitō Akari lent her voice to the character Nezuko. The voice actress is known for her work in Time Bokan 24. 

Shimono Hiro as Zenitsu Agatsuma: Shimono Hiro is well known for lending his voice to Connie Springer in Attack on Titan. He has also worked on Tokyo Revengers, One Piece, Black Clover, and My Hero Academia. 

Matsuoka Yoshitsugu as Inosuke Hashibira: Matsuoka Yoshitsugu is best known for voicing Kirito in Sword Art Online. He has also worked on No Game No Life, and Cosmic Princess Kaguya!. 

The English voice cast of the movie is Zach Aguilar, Abby Trott, Aleks Le, Bryce Papenbrook, Johnny Yong Bosch, and Erika Harlacher. The anime series, Demon Slayer, which is based on a manga, follows a young boy, Tanjiro Kamado, who joins a secret corps of warriors after his sister Nezuko is turned into a demon. As he looks for a cure to turn his sister back into a human, Tanjiro Kamado must also find the demon Muzan Kibutsuji, who killed his entire family.

Now, that has many curious about what the 2025 film is about.

What is the story of Demon Slayer: Kimetsu no Yaiba Infinity Castle

Demon Slayer: Kimetsu no Yaiba Infinity Castle is the first of the three-film adaptations planned to cover the final battle arc of the manga. It follows the Demon Slayer Corps’ final battle against the demon Muzan Kibutsuji inside his complicated fortress, the Infinity Castle. However, defeating the most powerful demon is not as easy as it seems. Until the next part of the arc arrives, this movie, which runs for more than 2 hours, promises to be a perfect binge for September. 

Will you watch Demon Slayer: Kimetsu no Yaiba Infinity Castle? Let us know in the comments.