8화: 나카조노, 사마리, 쿄나토 소대가 가우나와 전투를 벌이는 동안 나게가 시즈카와 유사한 샘플을 회수한다.

Nakazono squad, Samari squad(units 005, 007, 026, & 174), and Kunato squad (units 701, 704, 705, & 706) confront the three Guardian-like Gauna. The Kunato squad upon after firing their Heigus particle cannon exposes a human-like ena from the Gauna. After destroying Gauna 491, Nagate retrieves a human-like Gauna sample. Samari squad engages and destroys Gauna 489. Nakazono squad engaged Gauna 490, which communicates with them through radio with Shizuka's voice after killing each squad member of the Nakazono squad. Gauna 490 continues to communicate over the radio leading Kunato to panic. The remaining Kunato squad members engages Gauna 490 resulting in the death of Ho Honoka. Upon Nagate appears the remaining Gaunua 490, later nicknamed "Benisuzume" or "Crimson Hawk Moth", retreats. After the battle, the pilots mourn five of their companions who were KIA, while Captain Kobayashi is confronted by Lala over her orders to have Nagate sortie on every mission, knowing that it may eventually lead to his death. Kobayashi then reveals that Nagate is immortal, and by not being a member of the Immortal Ship Crew that rules over Sidonia, he was seen by the other Immortals as a liability, but she claims that by having the skills of their late friend Saito, he will not die so easily. As Lala returns to the dorms, she reminisces about the events of the "Fourth Defensive War" 100 years ago when almost all citizens of Sidonia perished during a Gauna invasion. Only 392 citizens and 25 council members survived including herself, Kobayashi, Saito and Ochiai, who was held responsible for the tragedy, but was spared from execution because several important files from Sidonia's archives were copied by Ochiai to his brain while deleting the original files. The files were then relocated to an auxiliary database only accessible through his brain which was transferred to a clone of Ochiai. After the incident, Saito disappeared without a trace, only reappearing 80 years later as an old and aged man because he had renounced his immortality and refused to take life-prolonging medication. To preserve Saito's memory, Kobayashi ordered the creation of a clone of his, which was in fact Nagate, but Saito refused to have his mind transferred to the child, and kidnaps the infant Nagate with Lala's help, claiming that he will teach him his pilot skills nonetheless. Back to the present, the Gauna's placenta sample retrieved by Nagate is revealed to have the same appearance as Shizuka, and while in containment, it utters some words including Nagate's name. (Source: Wiki)
에피소드 수
- 4화 · 아카이 대원 사망 후 코바야시가 긴급 기동을 지시하고, 가우나 충돌 및 카비자시 회수
- 5화 · 츠구모리의 실패로 나게와 시즈카는 우주에서 표류하고, 시도니아는 수색 작업을 준비한다.
- 6화 · 나게와 시즈카가 새로운 가우나 위협에 직면하기 전 영웅으로서 시도니아로 귀환하다
- 7화 · 나게는 새로운 가우나 위협과 행성 파괴 명령에 직면하며 시즈카의 죽음을 회상한다.
- 8화 · 나카조노, 사마리, 쿄나토 소대가 가우나와 전투를 벌이는 동안 나게가 시즈카와 유사한 샘플을 회수한다.
- 9화 · 나게는 플라스enta 시즈카와 유대감을 형성하고, 쿠나토는 오치아이와 지구화 계획에 대한 비밀을 밝혀낸다.
- 10화 · 나게이트가 금지된 연구를 조사하고 거대한 가우나 위협에 대해 시험되지 않은 무기를 조종합니다.
- 11화 · 시도니아는 가우나 포드 542와 맞서며, 파일럿들은 절박한 충돌 회피 전략으로 48개의 가디언 프레임을 전개한다.
- 12화 · 나게가 베니스즈메와 대치하는 사이, 사마리의 분대가 마스터 가우나를 파괴하기 위해 가우나 포드에 침투한다.