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!

In the second round, Lana’s stubborn Stoutland comes around after she protects it from an angry Garbodor. Kiawe finds another fossil, and Sophocles’s persistence pays off with a rare Comet Shard. Lillie finally manages to climb up on her Stoutland—a big win for her! But Lana is the biggest winner after her Stoutland discovers a chunk of Z-Ring ore, and Kahuna Olivia promises to make it into a Z-Ring for her!