S1.E4 ∙ Sound Response Check

When the riot squad starts shooting citizens during the holiday season, the Major and her team must track down a terrorist hacker who operates under the name Fire-Starter.

Two interstellar armies continue their 150-year-long war. On both sides, mid-ranking soldiers question the judgment of their superior officers and worry about the future.

Ron and his friends have to stop a Evil Maniac named X from trying to take over the world.

The recently ennobled Reinhard Von Lohengramm who on suspicion of imperial favouritism and nepotism is facing resistance from his peers, and Yang Wen-Li the unwilling hero of the opposite faction, must prove their worth in the Battle of Astate...

Rumours arise in the Frontier government when Sheryl Nome arrives to the fleet for her concert and is marked a spy for Galaxy. Also Alto and Ranka both try to achieve their dreams as the battle between Frontier and the Vajra draws closer.

2199 AD. Yamato tries to leave behind the Large Magellanic Cloud galaxy after receiving a Cosmo Reverse System at its destination, Iscandar. However, suddenly it encounters a mysterious group at the edge of the Large Magellanic Cloud. The crew finds out that the group is called the Gatlantis, and that its leader is the Gutaba expeditionary force commander who calls himself Goran Dagam of Thunder. The commander demands that Yamato be handed over to him. Yamato, wanting to hurry to Earth, escapes the fray. However, Yamato is attacked by a devastating beam weapon called the Flame Direct Attack Cannon that can transcend space. Yamato is able to retreat, but ends up getting lost and finds itself in a strangely colored irregular dimension. The crew decides to turn off the ship's engine and explore a mysterious planet. In order to collect information Kodai, Kiryuu, Sawamura, Niimi and Aihara land on the planet. What they see when they arrive is a ship that's not supposed to be there. Dagam chases after the traces of Yamato's warp, and also reaches the strangely colored space. The planet where the crew of Yamato landed is in fact what Dagam has been looking for all along.