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 ...

Red Rock Crabs: When Shellington and the crew try to gather some skittish crabs who have drifted away from home, they get help from some old friends. Sea Pigs: The Octonauts must stop a huge herd of ...