Prequel: Girls und Panzer
When the Ministry of Education goes back on its promise to keep Ooarai Girls Academy open, the task of saving the Academy Ship falls to Miho Nishizumi and her barely-seasoned tankery team. However, things go off track almost immediately when the Ooarai tankery team is pitted against the leading university team in an all-or-nothing match! Fortunately, the girls of Ooarai may have more allies than they realize, and the final showdown to save their school begins.
(Source: Sentai Filmworks)
Alternative Titles: Girls & Panzer Movie, Girls und Panzer der Film, Girls & Panzer Gekijouban, ガールズ&パンツァー 劇場版