Season 1

1. ENCOUNTER

2006-04-01 · 30m

Arrival of the military students and passengers on Aries Station. Commencement of their training.

2. CONTACT

2006-04-08 · 30m

Shuhei, Aki and Aya arrive. Ryota buys time for Sayaka during a training simulation for her to find Aya and tell that she will not be able to see each other.

3. OUTBREAK

2006-04-15 · 30m

Warning klaxons signal an emergency. Terrorists begin their attack while the crew and passengers attempt to evacuate.

4. BREATHING SPACE

2006-04-22 · 30m

Some are stranded on the station. Shuhei and Cellaria are injured in battle. Flashback to Nao's childhood.

5. WATERSHED

2006-04-29 · 30m

Flashback to Aki's childhood. The military students prepare for a counter-assault on the terrorists.

6. FAREWELL

2006-05-06 · 30m

Cellaria is captured. Shuhei attempts a rescue.

7. FLUX

2006-05-13 · 30m

Discovery of a strange virus. Cooperation occurs all over the station for survival. Nao is injured in an attack.

8. DESIRE

2006-05-20 · 30m

Nanami is found. The terrorists are double-crossed. Flashback to Yu's childhood.

9. ROUSE

2006-05-27 · 30m

Shuhei is being corrupted. Yu is captured but escapes with the help of her childhood friend.

10. STRAY

2006-06-03 · 30m

Cellaris's past is revealed. The military students make plans to leave the station.

11. MOURNING

2006-06-17 · 30m

Aya manages to escape at the cost of Gale's life who ensures her safety.

12. JOURNEY

2006-06-24 · 30m

With the station starting to burn up in the atmosphere of Earth, the rest of the crew commenced the evacuation of the station. The event shifted forward for 1 year, where everyone returned to their normal lives. Most characters' futures were revealed as well.