Ep. 38: The group travels to the ocean for a romantic trip and encounters a giant fish.
Aired on June 17, 2000

38
Kuro accompanies his grandparents, Go, Mi, and Kotaro on a romantic seaside vacation. During their stay, they meet Ahab, who warns them about a massive fish residing in the ocean. The situation escalates when the beast attacks and swallows Kuro's owners. Consequently, the group must intervene to defeat the monster and rescue the trapped individuals. This narrative focuses on the urgent effort to stop the creature and ensure the safety of the victims after the sudden attack by the giant sea animal.
Episodes
- Ep. 34 · Grandparents find a lottery ticket worth ¥300,000,000 that blows away, sparking a race.
- Ep. 35 · Matatabi Leaves Home After Repeated Frustrations and Joins a Wealthy Boy
- Ep. 36 · Kuro Saves Kittens From Cybernetic Dog Ambushes With Dr. Go's Help
- Ep. 37 · Kuro and friends join grandparents on a bus trip that turns out to be an alien trap involving a bomb.
- Ep. 38 · The group travels to the ocean for a romantic trip and encounters a giant fish.
- Ep. 39 · Mi-kun #2 Arrives as the Trio Plans a Bank Heist
- Ep. 40 · Nana-chan Attempts Various Jobs After Conflict with Kuro
- Ep. 41 · The Chef Devil Doll Returns to Plunge the World into Darkness
- Ep. 42 · Kuro Confronts the Devil Possessing Hebibinga and Sam Robots