The Octonauts cheer Peso on as he goes home to compete against an awesomely athletic penguin in an annual tournament: the Iron Clam Competition.

In this special episode, the Octonauts travel deep down the Amazon river in search of a lost city - and Kwazii's long lost grandfather, Calico Jack!

Tweak has designed a brand-new Deep Sea Station to study the deepest, darkest reaches of the ocean, but the Octonauts face multiple challenges: from getting it down there, to the extreme environment and strange, prehistoric creatures that greet them once they arrive.

Christmas special of the animated deep sea adventure series. The Vegimals' plans for a Christmas feast aboard the Octopod are interrupted when the Octonauts are all entangled in a gigantic blob of sea snot!

The Octonauts' mission to explore Antarctica becomes a desperate rescue as a group of sea stars and urchins are threatened by a brinicle - a rare underwater icicle that can freeze creatures on the sea bed.

Peso goes with Barnacles to help his sister and her new polar cubs learn to navigate the harsh conditions of the frozen arctic.

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Tweak and the Octonauts go to The Everglades to visit her dad, Ranger Marsh and help him rescue some non-native creatures before a storm hits. The team's recently built GUP-K is also there to save the day.

The Octonauts embarked on an underwater adventure navigating a set of challenging caves to help a small octopus read return home to the Caribbean Sea.

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

The Octonauts create a Mantis Shrimp Robot to save the oceanic creatures from a tsunami and volcanic eruptions in the Pacific Ring of Fire.