Episode Title:
Guardians of Another World.
Episode Description:
Learning of the Wave, Naofumi warns Mirellia and she amasses a large naval fleet while L'Arc and Therese also sail to the Waves with the Fleet. While the navy fights the smaller creatures, the Four Heroes fight the Boss monster, but they are unable to do much damage to it and it is L'Arc and Therese that ultimately kill it. L'Arc and Therese then attack the Heroes, explaining they are from yet another world besieged by the Waves. In order to save their homeworld, they must kill the Four Heroes...
