第13話: 時間遡行軍が1,000の兵力で攻撃し、函館の戦いが終結する。
2017年9月24日 放送
The conclusion of the Battle of Hakodate and the fate of Hijikata Toshizou unfold. Was Kunihiro able to pursue his loyalty? Was Izuminokami able to protect history? The season comes to a conclusion as the Time Retrograde Army unleashes its force of 1,000 upon Hakodate! (Source: Crunchyroll)