第 11 集: 人類攻擊未知基地以奪回門戶，而Suzaku面臨艱難抉擇。
2016年9月18日 播出
The humans launch an all-out attack on the Unknown's base in order to take back the gate that links the human world to that of the Unknown. However, while some of the students from the combat curriculum are prepared to fight, other students' feelings about the battle are more complicated. What decision will Suzaku make? (Source: Crunchyroll)