Pokémon the Series: Sun & Moon Episode 32: Treasure Hunt, Akala Style!
Episode 32 of 146 of Pokémon the Series: Sun & Moon, aired June 29, 2017, 25 minutes. Available with English subtitles and dub where released.
Episode summary
Ash and his classmates go on a treasure hunt riding Stoutland, who can sniff out hidden items! Ash’s Stoutland just keeps digging up colorful shards, and Kiawe has the big find in the first round—a Cranidos fossil!