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 ...

When a hungry tiger shark eats the camera that Tweak's turtle friend Sandy gets in the Octopod, she and the Octonauts must rescue her before it eats everything in its path. When a huge sunfish enters ...

The Octonauts cheer Peso on as he goes home to compete against an awesomely athletic penguin in an annual tournament: the Iron Clam Competition. The Octonauts travel to Professor Inkling's childhood ...