Movie
Girls und Panzer: This Is the Real Anzio Battle! (2014)
ガールズ&パンツァー これが本当のアンツィオ戦です！ WikiData IMDb TMDB Douban NeoDB +2
other title:
Meninas e Tanques: Esta é a Verdadeira Batalha da Anzio!
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Girls und Panzer OVA: This is the Real Anzio Battle!
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Following Oorai's victory over Saunders, the school's next opponent is Anzio. This is an OVA which covers the battle of Oorai versus Anzio, which was not fully shown in the regular anime series.