The Octonauts - Season 2

In the second season, there is a group of aggressive people who are harming their corals by over-culturing them with algae. Now, everyone must unite to confront them, as the shy amber whale must help the astronauts get the peso out of the giant clam before it's too late. At one point, Besso and Kwazi venture to get to the midnight area to help a harmful creature.