Equipped with a fleet of aquatic vehicles, the Octonauts rescue amazing sea creatures, explore incredible underwater worlds, and often save the day before returning safely to their home base, the Octopod. In these episodes Peso returns home to compete in the Iron Clam Competition, the Octonauts prepare for their annual seaweed feast, and Kwazii finds the perfect sidekick. Include 6 episodes: The Marine Iguanas - The Dwarf Lantershark - The Pirate Parrotfish - The Electric Torpedo Rays - The Crafty Cuttlefish - The Great Penguin Race (special)