With a domestic home video release back in 2017, it looks like the Girls und Panzer der Film project is going to make its way to streaming. Netflix is currently listing the film on their service with all the standard notes related to it. The film is set for an October 15th, 2019 debut and is likely to be multilingual.
Check out our review of the film.
The Japanese cast includes Ai Kayano as Saori Takebe, Ikumi Nakagami as Yukari Akiyama, Mai Fuchigami as Miho Nishizumi, Mami Ozaki as Hana Isuzu and Yuka Iguchi as Mako Reizei. It was directed by Tsutomu Mizushima with Isao Sugimoto serving as the chief animation director and the character designer. Actas handled the animation production with a wide range of supporting studios.
Plot concept: Sometime after the 63rd sensha-do tournament, the Japanese Ministry of Education decides to move forward with its plan to decommission Oarai Girls High School despite of their recent triumph in the championship. In order to keep the school open, Miho and her team must win a match against a university sensha-do team, but for this difficult battle, Miho and the others not only count with the help of their friends from the other schools they previously faced; Saunders, Kuromorimine, Anzio, St. Gloriana and Pravda, but also with the assistance from new friends from the Chihatan Academy and Keizoku High School, and together, they will join forces to save Oarai from closing.
[Source: Girls und Panzer der Film]