After the events of season one, the authorities of Sidonia plan to turn the tables and strike at the enemy's heart. Ace pilot Tanikaze Nagate and company must again put their lives on the line to protect Sidonia, but now in the company of an unexpected ally: a sentient Garde-Gauna hybrid. Source: ANN Note: The first two episodes received a special pre-airing on November 23, 2014 at an event held in the Tokyo Dome City Prism Hall. The official screening began on April 11, 2015.