Rudeus, Eris, and Ruijerd make it to a city. They need to earn money for their journey, and decide to register as adventurers, but Superd like Ruijerd aren’t allowed inside. Rudeus has a plan, but how well will it hold up in practice?

Unaired episode included in the fourth Blu-ray volume. The episode will take place during the same time in episode 16 (episode 5 in second cour) and depict what Eris and Ruijerd were up to outside the main story, as teased by the comment "Goblin Extermination."