Seasons & episodes
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.
S1 · E13The Lost Sea Star 2010-10-20 · 11 min
When the Octonauts find an unusual Sea Star on the beach, they search the ocean from top to bottom (literally) to help find its home.
S1 · E14The Albino Humpback Whale 2010-10-21 · 11 min
The Octonauts help out an Albino Humpback Whale with a nasty sunburn.
S1 · E15The Giant Kelp Forest 2010-10-22 · 11 min
When Kwazii's favorite sub, the Gup B, goes missing, the Octonauts journey into a mysterious kelp forest to find it, meeting strange and interesting creatures along the way.
S1 · E16The Enemy Anemones 2010-10-25 · 11 min
The Octonauts land on an island for a picnic but must first help some crabs trapped between two warring groups of aggregate anemones. Meanwhile back on the Octopod, a horde of out of control puddings are attacking. Peso wins the contest between 2 types of blobs.
S1 · E17The Narwhal 2010-10-26 · 11 min
While exploring the Arctic, the Octopod gets trapped in the ice. Only Barnacles's skillful navigation, and the help of a friendly Narwhal, can get them free.
S1 · E18The Midnight Zone 2010-10-27 · 11 min
While exploring the deepest part of the ocean, the Midnight Zone, the Octonauts discover a strange rock that happens to be home to a new species of worm.
S1 · E19The Snapping Shrimp 2010-10-28 · 11 min
The Octonauts encounter a snapping shrimp – a small creature that uses its claws to make a big, and stunning, noise.
S1 · E20The Snot Sea Cucumber 2010-10-29 · 11 min
After an underwater tremor, an injured sea cucumber named Slippy gets loose on the Octopod, so to let her breathe, they flood the ship!
S1 · E21The Giant Whirlpool 2010-11-01 · 11 min
The Octonauts race against time to rescue Tweak's pal, a leatherback sea turtle who's caught in a fast-moving ocean current that's sucking it into a whirlpool.
S1 · E22The Hermit Crabs 2010-11-02 · 11 min
When Captain Barnacles Bear and most of the crew are unable to return to base, it's up to Peso and Tweak to remove a stuck hermit crab from its shell.
S1 · E23The Mixed-Up Whales 2010-11-03 · 11 min
When the Octonauts clean and repair their ship, the Octopod, the resulting noise causes a nearby blue whale to act in strange and dangerous ways.
S1 · E24The Kelp Forest Rescue 2010-11-04 · 11 min
When Peso's little brother, Pinto, comes to visit, he's more interested in being a pirate than a medic – at least until he accompanies Peso on a mission to rescue Dashi and Shellington in a kelp forest.
S1 · E25The Decorator Crab 2010-11-05 · 11 min
When important objects go missing from their ship, the Octonauts stake out the thief, who turns out to be a decorator crab stealing their things to decorate his shell.