An episode included in a bonus Girls und Panzer Blu-ray Disc, exclusively bundled on Amazon.co.jp with the Japanese Blu-ray release of the 2014 World War II film Fury.
Watch Fushou Akiyama Yukari no Sensha Kouza: M4 Sherman in Girls und Panzer episode 1 online — subbed and dubbed, with automatic AniList / MyAnimeList progress sync.