Rebellion is a Hero's Privilege Ginga Eiyuu Densetsu : Season 4 Episode 8

Mittermeyer tries to convince Reinhard to exercise restraint. That same day, a letter from Reuenthal explains the danger of Lang, but ignores Reinhard. The letter's presumption of Reinhard being controlled by Lang and Oberstein infuriates Reinhard. Mittermeyer comes to the understanding that if he had refused the Emperor's order, Reinhard would have led the force. Thus, it would have increased unrest with all Reinhard's vassals. Mittermeyer considers killing Lang, but Kesler stops Mittermeyer. A report initiated by Lutz and investigated by Kesler implicates Lang of unjustly imprisoning and killing Nikolas Boltik. Hildegard realizes she is pregnant. On November 14th, Space Calendar 800, New Imperial Year 2, A space fleet of 42,770 ships commanded by Mittermeyer, Wahlen, and Bittenfeld launch toward Reunthal's territory.