The official Emotion Label YouTube channel has begun streaming the first seven minutes of Mizuiro no Sasha (The Aqua Sasha), the highly anticipated fourth film in the Be Forever Yamato: Rebel 3199 anime series, as of Friday, October 3, 2025. This early preview offers fans a glimpse into the next chapter of the renowned Space Battleship Yamato remake project, ahead of its theatrical debut in Japan.
Mizuiro no Sasha Premieres Soon
Mizuiro no Sasha is set to open in Japanese theaters on October 10, 2025. The streaming of its opening sequence provides an exciting prelude to the film’s full release, building anticipation for the latest installment in the saga. The film’s Blu-ray Disc and DVD are scheduled to ship in Japan on December 24, 2025.
The Rebel 3199 Project: A Continuing Legacy
The Be Forever Yamato: Rebel 3199 series is an ambitious seven-film project that continues the celebrated Space Battleship Yamato remakes. It draws inspiration from both the 1980 Be Forever Yamato film and elements of the Space Battleship Yamato III television series, reimagining these classic narratives for a new generation. Crunchyroll is currently streaming the anime internationally under the title Star Blazers: Space Battleship Yamato 3199.
Previous Installments and Reception
The Rebel 3199 cinematic journey began with Kuro no Shinryaku (Dark Invasion), the first film, which premiered in July 2024. It garnered significant attention, earning approximately 58,863,050 yen (about US$397,813) in its initial three days. The second film, Sekijitsu no Shutsugeki (The Assault of the Burning Sun), followed in November 2024, achieving a three-day box office of around 64,118,600 yen (about US$433,331). Most recently, the third film, Gunjō no Asteroid (Ultramarine Asteroid), opened in Japan on April 11, 2025. These consistent releases underscore the commitment to retelling this iconic space opera.
Production and Key Talent
The Be Forever Yamato: Rebel 3199 series is animated by Studio Mother. Harutoshi Fukui, who has been instrumental in previous Yamato remakes, serves as general director, series compositor, and screenplay writer for the project. Naomichi Yamato is also credited as a director. Akira Miyagawa returns to compose the music, with his late father Hiroshi Miyagawa, the original Space Battleship Yamato composer, also credited for music. The voice cast includes Daisuke Ono as Kodai Susumu and Houko Kuwashima as Mori Yuki. Megumi Han took over the role of Sasha in the second film, following in the footsteps of her mother, Keiko Han, who voiced the character in the original Be Forever Yamato film.
This newest streaming release offers fans a taste of the unfolding epic, further solidifying the legacy of Space Battleship Yamato for current audiences.