Uchū Senkan Yamato: Ankoku Seidan Teikoku no Gyakushū

Uchū Senkan Yamato: Nijū Ginga no Hōkai is the third and final part of the "Dark Nebula series", after Uchū Senkan Yamato: Iscandar e no Tsuioku and Uchū Senkan Yamato: Ankoku Seidan Teikoku no Gyakushū. It follows the events of the second half of the fourth Yamato movie, Be Forever Yamato. The Yamato and the Yukikaze have finally reached the Dark Nebula, and discover it is actually two parallel galaxies, one of light, and one of darkness. Entering this new universe, the heroes of Earth are about to discover the secrets of the Empire, and engage in a deadly battle to ensure the future of the human race.