Season 1

01 ENCOUNTER Episode 11st April 2006 Arrival of the military students and passengers on Aries Station. Commencement of their training. 02 CONTACT Episode 28th April 2006 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. 03 OUTBREAK Episode 315th April 2006 Warning klaxons signal an emergency. Terrorists begin their attack while the crew and passengers attempt to evacuate. 04 BREATHING SPACE Episode 422nd April 2006 Some are stranded on the station. Shuhei and Cellaria are injured in battle. Flashback to Nao's childhood. 05 WATERSHED Episode 529th April 2006 Flashback to Aki's childhood. The military students prepare for a counter-assault on the terrorists. 06 FAREWELL Episode 66th May 2006 Cellaria is captured. Shuhei attempts a rescue. 07 FLUX Episode 713th May 2006 Discovery of a strange virus. Cooperation occurs all over the station for survival. Nao is injured in an attack. 08 DESIRE Episode 820th May 2006 Nanami is found. The terrorists are double-crossed. Flashback to Yu's childhood. 09 ROUSE Episode 927th May 2006 Shuhei is being corrupted. Yu is captured but escapes with the help of her childhood friend. 10 STRAY Episode 103rd June 2006 Cellaris's past is revealed. The military students make plans to leave the station. 11 MOURNING Episode 1117th June 2006 Aya manages to escape at the cost of Gale's life who ensures her safety. 12 JOURNEY Episode 1224th June 2006 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.