Gundam Reconguista in G - Season 1 Episode 13 Those Who Came From the Moon
Overview: A delegation from the lunar forces is heading to the Capital Tower to state their demands. Faced with a common enemy the Space Pirates, the Capitol Guard and Captain Mask join into an uneasy allience. Raraiya seems to calm down when she recognizes a house inside the Capital Tower. The allied forces decide to head to the far side of the moon to investigate the origin of the Lunar colony and the danger it represents.