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 like ...

Octonauts Season 4 features a dynamic group of animal explorers who embark on oceanic adventures, save marine life, and advocate for ocean preservation from their headquarters, the Octopod. The fourth ...