The Monsters Attack - S2.E9

Cox, who had achieved peace in the village by closing it off and reducing the number of mouths to feed, attempts to get rid of the heroes, but then a monster's voice resounds throughout the village. Yotsuya and the villagers are powerless as a multitude of monsters swarms the village, as if under someone's control. After determining that it would be impossible to defend against the monsters' attack, they decide to flee the village.