Goblin Slayer and his party go into the sewers of Water Town to investigate some brutal incidents they think were caused by goblins. When they go down to the sewers, they are immediately attacked by a horde of goblins. Because of the sheer number of goblins, the party has a hard time dealing with them all and then a goblin champion also appears before them...

Episode 10.5 - Recap of the first 10 episodes.

The Cow Girl waits for Goblin Slayer to come back home and reflects on his childhood and his interactions with his new companions. We get to see why the Silver-ranked Goblin Slayer slays goblins through the Cow Girl's eyes.