قسمت 5: ناگاته و شیزوکا پس از شکست تسوگوموری در فضا سرگردان می‌شوند و سیدونیا برای عملیات جستجو آماده می‌شود.

Nagate finds Shizuka but Tsugumori runs out of energy and the pair becomes adrift in space. Meanwhile, Kobayashi is urged by Nagate's dorm manager, Lala Hiyama, to organize a search party for him, but she refuses as well. In history class it is taught that Gauna first fell to Earth in 2109 and split the Earth in two. On August 2nd, 2384 Sidonia embarks on it's journey and the last communication with another seed ship occurred on February 26th, 2691 with the Aposims. Past history of the discovery of the catalyst in the Kabizashi, the Kabi, was discovered 600 years ago by the first strike force, which included Kobayashi, Lala Hiyama, Hiroki Saito, and Ochiai. Nagate details his life underground and details how he beat his grandfather's high score at the age of six in the Type 17 training console. Nagate and Shizuka then spends over three weeks inside the derelict Tsugumori waiting for the ship to re-energize but their supplies run out faster than planned and they are put in a dire situation until 256 guardian pilots, disobeying the captain's orders, appear and rescue them. (Source: Wikipedia)

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