Dive into adventure with your favorite underwater explorers, the Octonauts! Join brave Captain Barnacles, daredevil ex-pirate, Kwazii and medic Peso Penguin, along with the other Octonauts as they explore the world's oceans, rescue the creatures who live there and protect their habitats above and below the waves! On this exciting DVD, join the Octonauts as they journey into a mysterious kelp forest. They are on a search to find Kwazii's favorite sub, the Gup-B after its gone missing and along the way they meet strange and interesting creatures! Then it's time for a rescue mission! When Peso's little brother, Pinto, comes to visit, he's more interested in being a pirate than a medic at least until he accompanies Peso on a mission to rescue Dashi and Shellington in a kelp forest. The rescuing doesn't end there! The Octonauts then have a delicate Manatee rescue operation. Sound the Octo-alert! It's time to search and rescue with your favorite underwater explorers!