The Aquatope on White Sand

With Grandpa out of town, Kukuru and Fuuka work together to feed and weigh the penguins; Kukuru notices something wrong with one of the penguins and decides to call the vet, who is on maternity leave.

The touch pool, where people are invited to touch sea creatures with their hands, is the biggest event of the summer at Gama Gama Aquarium; Kukuru, Kai, Kuuya and Fuuka are hard at work preparing.

Fuuka's mother comes to Gama Gama Aquarium to take her home, but she isn't ready to leave just yet.

Kukuru and the crew brainstorm for ways to attract more visitors to Gama Gama Aquarium; they decide to try selling some sweets.

With shaved ice a success and new visitors drawn to Gama Gama Aquarium, Kukuru's grandfather insists that the crew take a break.

Karin finds a venue for a traveling aquarium at the pediatrics ward of the local clinic. The head nurse there has a fear of crabs.