In this film's adventure, a volcano erupts suddenly, suddenly awakening the Pacific Ocean floor of hundreds of volcanoes composed of the "ring of fire", this sudden event quickly turned into a global catastrophe. The volcanic clusters that are about to erupt en masse threaten the horned whales...
Capt. Barnacles, Kwazii, Peso and friends encounter fascinating sea creatures in "The Octonauts and Surfing Snails", "The Octonauts and Red Rock Crabs", "The Octonauts and Coconut Crisis", and "The Octonauts and Enemy Anemones".