Season 1
50 episodes · Oct 5, 2010
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S1E1The Undersea Storm
Oct 5, 201011mAs 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.
S1E2The Giant Squid
Oct 11, 201011mThe 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.
S1E3The Great Algae Escape
Oct 13, 201011mCaptain 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.
S1E4The Walrus Chief
Oct 7, 201011mWhen Peso's precious medical kit is taken, Barnacles and Kwazii sneak into a dangerous walrus colony to get it back, disguised as a walrus.
S1E5The Flying Fish
Oct 8, 201011mWhen 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.
S1E6The Narwhal
Oct 26, 201011mWhile 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.
S1E7The Monster Map
Oct 19, 201011mThe 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.
S1E8The Crab and the Urchin
Oct 6, 201011mThe crew pursues crustaceans who’ve hijacked the Octopod.
S1E9The Albino Humpback Whale
Oct 21, 201011mThe Octonauts help out an Albino Humpback Whale with a nasty sunburn.
S1E10The Remipedes
Oct 14, 201011mWhen Shellington gets lost in a dark sea cave, he gets unexpected assistance from some blind Remipedes.
S1E11The Orcas
Oct 12, 201011mWhen 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.
S1E12The Blobfish Brothers
Oct 18, 201011mThe Octonauts must evacuate sea creatures before an underwater volcano erupts, but there's one creature that won't budge: a slow moving, gelatinous Blobfish.
S1E13The Decorator Crab
Nov 5, 201011mWhen 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.
S1E14The Whale Shark
Oct 4, 201011mWhen Kwazii's Gup-B breaks down in a storm, not even brave Captain Barnacles can save him alone. Fortunately, a chain of reef lobsters lends a hand - and some claws.
S1E15The Cookiecutter Sharks
Dec 13, 201011mSome mysterious holes that keep appearing in the Octonauts' equipment turn out to be the work of cookiecutter sharks whose bioluminescence initially made them invisible against the light coming down from the sea surface.
S1E16The Jellyfish Bloom
Dec 16, 201011mWhen Shellington gets trapped in the middle of a massive Jellyfish bloom, it's up to the Octonauts to rescue him.
S1E17The Speedy Sailfish
Oct 15, 201011mWhen all the Gups go out of control, Barnacles and Kwazii leap onto the backs of some speedy Sailfish to round them up.
S1E18The Vampire Squid
Dec 8, 201011mPeso must gather all his courage when he travels deep down to the very bottom of the ocean, the Midnight Zone, and encounters the mysterious Vampire Squid.
S1E19The Humuhumunukunukuapua'a
Feb 10, 201111mWhen the Octopod's waterworks are flooded with frightened Humuhumu fish, the Octonauts have to find a way to flush them out.
S1E20The Giant Spider Crab
Feb 11, 201111mThe octonauts help a 100 year old spider crab which has got its leg trapped in a giant clam whilst en route to its own 100th birthday party. It turns out that Kwazii's afraid of spiders, but he still helps, even though he thought it was a real spider at first.
S1E21The Giant Kelp Forest
Oct 22, 201011mWhen 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.
S1E22The Hermit Crabs
Nov 2, 201011mWhen 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.
S1E23The Hungry Pilot Fish
Dec 7, 201011mThe Octonauts are chased by a whitetip shark only to discover all it really needed was a pilot fish to clean its teeth, and it just so happens that they have just met a lonely pilot fish that is hungry for action.
S1E24The Beluga Whales
Dec 6, 201011mThe Octonauts lead a pod of Beluga Whales stuck under the pack ice to safety by getting them to follow Peso while he's playing the same tune as the Beluga's song on his xylophone.
S1E25The Snot Sea Cucumber
Oct 29, 201011mAfter an underwater tremor, an injured sea cucumber named Slippy gets loose on the Octopod, so to let her breathe, they flood the ship!
S1E26The Giant Whirlpool
Nov 1, 201011mThe 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.
S1E27The Slime Eels
Jan 26, 201111mKwazii covets the treasure in a sunken pirate ship, but its protected by slime squirting Slime Eels.
S1E28The Arctic Orcas
Jan 25, 201111mWhen Captain Barnacles and Peso get lost in the icy Arctic sea, a pod of Orcas help the Octonauts find them.
S1E29The Lost Sea Star
Oct 20, 201011mWhen the Octonauts find an unusual Sea Star on the beach, they search the ocean from top to bottom (literally) to help find its home.
S1E30The Giant Jelly
Dec 10, 201011mThe Octonauts must rescue Peso when he gets trapped inside a giant ctenophore.
S1E31The Snapping Shrimp
Oct 28, 201011mThe Octonauts encounter a snapping shrimp – a small creature that uses its claws to make a big, and stunning, noise.
S1E32The Kelp Forest Rescue
Nov 4, 201011mWhen 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.
S1E33The Enormous Elephant Seal
Jan 27, 201111mWhen Peso and the Octonauts aid an enormous Elephant Seal, he overstays his welcome in the Octopod.
S1E34The Sardine School
Jan 28, 201111mThe Octonauts must work together as a team to help a lost sardine find her school.
S1E35The Eel Ordeal
Feb 1, 201111mThe Octonauts travel up a treacherous river to help a young migrating eel on her difficult journey.
S1E36The Dolphin Reef Rescue
Jan 31, 201111mWhen the Octonauts all pitch in to help save a sick coral reef, they get some unexpected help from a pod of playful dolphins.
S1E37The Pirate Parrotfish
Feb 4, 201111mWhen the Octonauts go on a pirate treasure hunt, Kwazii meets a Parrotfish.
S1E38The Electric Torpedo Rays
Feb 7, 201111mSome electric torpedo rays give the Octopod a jump-start when its batteries go flat during a trip to see Tweak's pal, Sandy the leatherback sea turtle.
S1E39The Midnight Zone
Oct 27, 201011mWhile 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.
S1E40The Mixed-Up Whales
Nov 3, 201011mWhen the Octonauts clean and repair their ship, the Octopod, the resulting noise causes a nearby blue whale to act in strange and dangerous ways.
S1E41The Seahorse Tale
Dec 9, 201011mAfter a storm, the Octonauts help a female seahorse search for her missing mate. She tells them, to Kwazii's surprise, that the missing male seahorse is about to give birth to baby seahorses!
S1E42The Enemy Anemones
Oct 25, 201011mThe 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.
S1E43The Crafty Cuttlefish
Feb 8, 201111mCaptain Barnacles allows Tunip to use his Octo-compass. But when Tunip loses it, a cuttlefish takes it.
S1E44The Lost Lemon Shark
Feb 9, 201111mThe Octonauts have their hands full as they look after a headstrong young Lemon Shark who's hurt his nose and can't find his way home.
S1E45The Baby Dolphin
Dec 17, 201011mWhen a young dolphin follows Kwazii home, he has to babysit while the other Octonauts search for its mother.
S1E46The Scary Spookfish
Jan 24, 201111mThe Octonauts try to pull Peso out of an oceanic trench and get some help from a strange looking creature with a see through head: a Spookfish.
S1E47The Oarfish
Dec 14, 201011mDashi snaps a picture of what appears to be a sea serpent, but the truth is stranger than fiction when it turns out to be an awesomely long Oarfish.
S1E48The Combtooth Blenny
Dec 15, 201011mWhen Kwazii and Peso are shipwrecked on a desert island, they encounter a Combtooth Blenny - a fish who walks on land! They enlist him to send an SOS message to the other Octonauts.
S1E49The Marine Iguanas
Feb 2, 201111mThe team are preparing for a feast of red seaweed on the Galapagos Islands but a trio of salt-sneezing marine iguanas raid the Octopod and eat it all!
S1E50The Dwarf Lantern Shark
Feb 3, 201111mDown in the darkness of the ocean deep, Peso and the Octonauts must help a tiny, injured Dwarf Lantern Shark.