第 1 季 共 13 集
播出时间：2010年4月4日
第 1 集 Departure
播出时间：2010年4月4日
In a strange realm within the afterlife, a band of teens called the Battlefront fight to keep the mysterious, powerful Angel from taking them to the next unknown level.
第 2 集 Guild
播出时间：2010年4月11日
In need of more weapons, the Battlefront descends into the Guild, a subterranean gunnery where every hallway and staircase is rigged with deadly traps.
第 3 集 My Song
播出时间：2010年4月18日
With the aid of a new member, the genius hacker, Christ, Yuri and the Battlefront decide to break into Angel’s lair and steal secrets from her hard drive. To distract the NPCs, they use the girl group Gldemo.
第 4 集 Day Game
播出时间：2010年4月25日
A replacement for the lead singer of Gldemo must be found. The manic, high-strung Yui tries desperately to assume the role. Hinata, meanwhile, seeks to avenge a mistake made long ago.
第 5 集 Favorite Flavor
播出时间：2010年5月2日
To strip Angel of her scholastic power, Yui devises a plan for the Battlefront to replace Angel’s test results with bogus ones. But they never realize the one who replaces her may be even more sinister than Angel could ever be.
第 6 集 Family Affair
播出时间：2010年5月8日
When Angel is believed to be breaking scholastic code, Naoi uses this infringement to exert his growing power and places both Angel and Otonashi in a prison within the school.
第 7 集 Alive
播出时间：2010年5月15日
Now that Naoi has seemingly joined Battlefront, Yui persuades Otonashi to let his powers of hypnosis help him recover his memories. But there are other issues at hand for the group — such as capturing the mysterious creature from a nearby river.
第 8 集 Dancer in the Dark
播出时间：2010年5月22日
With Otonashi's and Angel’s newly formed alliance, dark and powerful clones of Angel have begun attacking the Battlefront with greater aggression. They must return to the trap-rigged Guild once more and risk heartbreaking, violent losses.
第 9 集 In Your Memory
播出时间：2010年5月29日
With the Angel clone situation becoming uncontrollable, Naoi proposes that they once again call upon the genius hacker, Christ. Meanwhile, Otonashi begins to remember his past.
第 10 集 Goodbye Days
播出时间：2010年6月5日
Otonashi decides that the high-strung singer, Yui, needs to be pushed into finding peace and moving on. But Yui has other plans—namely to beat the boys of Battlefront in a violent game on the soccer field.
第 11 集 Change the World
播出时间：2010年6月12日
As Hinata and Otonashi talk with Naoi, something strange happens: his shadow takes an enormous, evil form and engulf him. Making matters worse, the Shadow monsters are multiplying and taking control of the members of Battlefront and the NPCs.
第 12 集 Knockin' on Heaven's Door
播出时间：2010年6月19日
The Shadow monsters show no signs of stopping as more Battlefront members and NPCs fall victim to their strange, marauding power. Yuri takes a dangerous trip into the darkened Guild.
第 13 集 Graduation
播出时间：2010年6月26日
When she awakens from her dangerous solo mission, Yuri finds her surviving friends in Battlefront seem to have found peace. In an impromptu graduation ceremony, they all take steps to move on to the next level of existence.
