Seasons & episodes
S0 · E1The Great Penguin Race 2010-12-13 · 23 min
The Octonauts cheer Peso on as he goes home to compete against an awesomely athletic penguin in an annual tournament: the Iron Clam Competition.
S0 · E2The Great Christmas Rescue 2011-12-24 · 23 min
The Octonauts travel to Professor Inkling's childhood home for Christmas, an undersea mountain. But they discover that a rockslide has endangered the local creatures - including a rare species of golden coral, and Inkling's little octopus nephew, Squirt! With the help of Tweak's latest invention, the Gup X, the Octonauts must rescue the creatures and save Christmas.
S0 · E3The Amazon Adventure 2013-01-01 · 23 min
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!
S0 · E4The Mariana Trench Adventure 2013-05-27 · 23 min
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.
S0 · E5The Very Vegimal Christmas 2013-12-10 · 23 min
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!
S0 · E6The Over Under Adventure 2014-03-14 · 23 min
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.
S0 · E7The Great Arctic Adventure 2014-04-22 · 23 min
Peso goes with Barnacles to help his sister and her new polar cubs learn to navigate the harsh conditions of the frozen arctic.
S0 · E8Operation Deep Freeze 2015-12-15 · 23 min
No episode summary available yet.
S0 · E9The Great Swamp Search 2016-12-03 · 23 min
No episode summary available yet.
S0 · E10Octonauts and the Great Swamp Search 2016-03-28 · 23 min
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.
S0 · E11Octonauts and the Caves of Sac Actun 2020-08-14 · 15 min
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.
S0 · E12Octonauts and the Great Barrier Reef 2020-10-13 · 15 min
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.
S0 · E13Octonauts and the Ring of Fire Air date unannounced · 77 min
The Octonauts create a Mantis Shrimp Robot to save the oceanic creatures from a tsunami and volcanic eruptions in the Pacific Ring of Fire.
S1 · E1The Undersea Storm 2010-10-05 · 11 min
As a huge storm heads towards the headquarters, the Octonaut crew hurriedly goes into preparation. However, Kwaji, who went out to test drive the expedition ship, is unable to return to Octopold because he is rescuing the animals.
S1 · E3The Crab and the Urchin 2010-10-06 · 11 min
The crew pursues crustaceans who’ve hijacked the Octopod.
S1 · E4The Walrus Chief 2010-10-07 · 11 min
When Peso's precious medical kit is taken, Barnacles and Kwazii sneak into a dangerous walrus colony to get it back, disguised as a walrus.
S1 · E5The Flying Fish 2010-10-08 · 11 min
When a school of flying fish accidentally make off with a rare book belonging to Professor Inkling, the Octonauts rig up the Gup B to fly after them and get it back.
S1 · E6The Giant Squid 2010-10-11 · 11 min
The Octonauts roam the oceans in search of adventure and fun. Whether it's a perilous voyage to the bottom of the sea or the piratey pursuit of a giant squid, the Octonauts leap into action and always prove that eight heads are better than one! The Octonauts set out to find and photograph Inkling's long lost cousin, the elusive Giant Squid.
S1 · E7The Orcas 2010-10-12 · 11 min
When a huge Orca whale becomes stranded on a beach, Captain Barnacles Bear and the Octonauts devise a plan to pull him back into the water, with some help from a group of tunnelling Fiddler Crabs.
S1 · E8The Great Algae Escape 2010-10-13 · 11 min
Captain Barnacles and his crew must catch a runaway Octopod, when it is hijacked by a group of crustaceans trying to escape their algae-infested waters.
S1 · E9The Remipedes 2010-10-14 · 11 min
When Shellington gets lost in a dark sea cave, he gets unexpected assistance from some blind Remipedes.
S1 · E10The Speedy Sailfish 2010-10-15 · 11 min
When all the Gups go out of control, Barnacles and Kwazii leap onto the backs of some speedy Sailfish to round them up.
S1 · E11The Blobfish Brothers 2010-10-18 · 11 min
The Octonauts must evacuate sea creatures before an underwater volcano erupts, but there's one creature that won't budge: a slow moving, gelatinous Blobfish.
S1 · E12The Monster Map 2010-10-19 · 11 min
The Octonauts follow an old map to what Kwazii believes is treasure guarded by a sea monster but, instead, they meet a playful Octopus with all kinds of surprising abilities.