The Octonauts identify a mysterious creature that turns out to be a spider crab in need.

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 ...

During a mission to replant the area around Mount Kilimanjaro, the Octoray gets stuck.