1. Kyokai-sen Mae no Seiretsu-sha-tachi Aired: Oct 1, 2011 The students at Ariadust Academy must use speed, skill, and teamwork to outsm...
2. Shokujiba no Seijun-sha Aired: Oct 8, 2011 The students receive a history lesson, a new classmate makes a mysterious ent...
3. Machinaka no Yugeki-shu Aired: Oct 16, 2011 The students prepare for an exorcism, Kimi worries about her brother, and the...
4. Yaten-ka no An'yaku-sha Aired: Oct 23, 2011 A fierce fighter may become a new student. Meanwhile, a surprise death sparks...
5. Gekka no Sotsugyo-sha Aired: Oct 30, 2011 The city faces a disaster of epic proportions and an android's true significa...
6. Kokuhaku-ba no Daiben-shu Aired: Nov 6, 2011 Horizon is blamed for the city's destruction and is set to be executed. When ...
7. Musashi no Kishi Aired: Nov 12, 2011 The students can't agree on whether to rescue Horizon. To settle the debate, ...
8. Zen'iki no Shiji-sha Aired: Nov 19, 2011 The argument over Horizon's fate takes an unexpected turn. Meanwhile, Pope Pr...
9. Takane no Hana Aired: Nov 26, 2011 Kimi's special talents settle the debate over Horizon once and for all.
10. Sutaatorain no Rappafuki Aired: Dec 3, 2011 The war has begun! Attacks rage on land and in the sky. Will the students' ar...
11. Musashi no Fukano Otoko Aired: Dec 10, 2011 The Testament Union is gaining ground, but Tori has a plan. Meanwhile, Futayo...
12. Heikoksen-jo eno Aitai-sha Aired: Dec 17, 2011 Tori locates Horizon and confesses his love. The only way to save both of the...
13. Kyokaisen-jo no Seiretsu-sha-tachi Aired: Dec 24, 2011 Innocentius renews his attacks on the Ariadust students. Horizon reaches a cr...