E1 · Conflict
Pilot Nagate Tanikaze is now renowned for his actions in the recent battle, but Nagate is more concerned with the disappearance of the ena Hoshijiro.
E2 · Ability
Nagate and his team fight a hard battle against Gauna 549, aided by the appearance of a new type of gauna calling itself Tsumugi Shiraui.
E3 · Course
Having disposed of the opposition, Kobayashi sets Sidonia's course to the ninth planet in the nearby Lem System. All-out war now seems unavoidable.
E4 · Rage
A new threat appears in the form of Gauna 550, which has ejected countless lesser gauna cores on an intercept trajectory with Sidonia.
E5 · Hope
Despite being instrumental in their victory, Tsumugi is severely damaged defending Sidonia. Izana, also critically injured, makes a bold decision.
E6 · Engage
Evicted from his dorm and with nowhere to go, Nagate asks to stay with Izana for a night; Tsumugi has an emotional crisis triggered by a close call.
E7 · Rumbling
The Sidonia's new weapon test succeeds, but the crew realizes they can't shut it down; Yuhata sends the garde pilots to investigate the disturbance.
E8 · Reunion
The pilots and Tsumugi repair damage to the Sidonia following the Gravitational Beam Emitter incident; Tsumugi is upset for causing a minor accident.
E9 · Mission
Izana finds out her 'date' with Nagate was a setup and storms home. Soon after, she is called to be part of a team that will scout out Planet Nine.
E10 · Entry
The reconnaissance team is attacked by the gauna; Izana and the squad leader manage to escape into the atmosphere of Planet Nine.
E11 · Encounter
Izana and the recon squad leader are pursued by an enormous humanoid gauna. Meanwhile, Tsumugi faces off against the Crimson Hawk Moth.
E12 · Battle
Nagate rescues Tsumugi but is overpowered by the Crimson Hawk Moth. The situation looks grim as swarms of gauna bear down on the survivors.