Pokemon Chou Fushigi no Dungeon - Sore Ike! Shinmai Chousa-dan

In Lively Town on the Water Continent, a team of Froakie and Riolu rush to their first day of work at the Expedition Society. Ampharos assigns them to explore the newly-found dungeon CoroCoro Pass, though warns the team of a strong Pokémon reported to be deep inside it. In light of this, Archen is assigned to assist them on the mission.