Hellsing X (S01E10)

London lies in devastation as Enrico’s mission collapses. Captain Bernadotte and Alexander Anderson have perished, and Walter has turned against them, joining Millennium. While Alucard confronts Walter in a fierce duel, Seras and Integra battle through the zeppelin Deus Ex Machina, confronting the final Millennium soldiers. However, they are also met by the leaders of Millennium: the Major and the enigmatic Captain, the very figure Walter dreaded to encounter, who is poised to unveil his true identity...