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".

In this musical special, the Octonauts must find a way to hold back hungry swarms of coral-eating starfish to save a new friend's fragile reef home.