When Peso and the Octonauts aid an enormous Elephant Seal, he overstays his welcome in the Octopod. When Peso and the Octonauts aid an enormous Elephant Seal, he overstays his welcome in the Octopod.

When Dashi is accidentally swallowed by a whale shark, the Octonauts venture inside the huge fish to rescue her. A walrus mistakes Peso's medical bag for a clam and takes it home. Walruses don't ...