Follows an underwater exploring crew made up of stylized anthropomorphic animals, a team of eight adventurers who live in an undersea base, the Octopod, from where they go on undersea adventures with the help of a fleet of aquatic vehicles.

Beluga Whales, Lost Sea Star, Dolphin Reef Rescue, Seahorse Tale, Crafty Cuttlefish, Baby Dolphin, Manta Rays, Damselfish, Lionfish, Cone Snail, Hammerhead Sharks, Albino Humpback Whale, Enormous Elephant, Sardine School, Mixed Up Whales

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.

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".

The Octonauts embark on an underwater adventure, navigating a set of challenging caves to help a small octopus friend return to the Caribbean Sea.