The Yamato changes course after receiving a distress signal from a UN spaceship on the sixth moon of Saturn, Enceladus. The Gamilans attack. Kodai makes an unsettling discovery.
In Gamilas capital, Dethler will show the state that Gamilas forces attack and sink Yamato by his strategy, because wants to show off his power to cabinet ministers.
During AU09 (a.k.a. Analyzer) analyzes a Gamilas android-soldier that Yamato's crew captured, friendship has begin to grow between them. Are there the heart in the machines?
Which started the war, UN or Gamilas? The question and the truth makes a gap between Kodai and Shima. Meanwhile, Dethler orders Domel to subjugate Yamato.
The planet named Bemera-4 where Yamato stopped for supply is Earth-like world. Niimi and Itou lead a mutiny to abandon Yamato's mission, and they want to let people emigrate from Earth to Bemera-4.
Kodai brings a information back from the relics of Bemera-4. It seems that Yamato will be enabled to jump tens of thousands light-year by the hyperspace gate network in the relics.
Shinohara uses hyperspace gate network, and goes on a scouting flight to Balan. Unfortunately, there are ten thousand of the battleships of Gamilas forces for naval review.
The prison planet 17 is one of Gamilas's concentration camp planet for political dissidents and POW. In this camp where a prisoner is abused routinely, but the supervisor will come from Gamilas.
