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Episodes

The Whale Shark
E1

The Whale Shark

7.5

When 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.

11 min

The Undersea Storm
E2

The Undersea Storm

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.

11 min

The Crab and the Urchin
E3

The Crab and the Urchin

The crew pursues crustaceans who’ve hijacked the Octopod.

11 min

The Walrus Chief
E4

The Walrus Chief

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.

11 min

The Flying Fish
E5

The Flying Fish

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.

11 min

The Giant Squid
E6

The Giant Squid

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.

11 min

The Orcas
E7

The Orcas

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.

11 min

The Great Algae Escape
E8

The Great Algae Escape

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.

11 min

The Remipedes
E9

The Remipedes

When Shellington gets lost in a dark sea cave, he gets unexpected assistance from some blind Remipedes.

11 min

The Speedy Sailfish
E10

The Speedy Sailfish

When all the Gups go out of control, Barnacles and Kwazii leap onto the backs of some speedy Sailfish to round them up.

11 min

The Blobfish Brothers
E11

The Blobfish Brothers

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.

11 min

The Monster Map
E12

The Monster Map

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.

11 min

The Lost Sea Star
E13

The Lost Sea Star

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.

11 min

The Albino Humpback Whale
E14

The Albino Humpback Whale

The Octonauts help out an Albino Humpback Whale with a nasty sunburn.

11 min

The Giant Kelp Forest
E15

The Giant Kelp Forest

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.

11 min

The Enemy Anemones
E16

The Enemy Anemones

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.

11 min

The Narwhal
E17

The Narwhal

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.

11 min

The Midnight Zone
E18

The Midnight Zone

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.

11 min

The Snapping Shrimp
E19

The Snapping Shrimp

The Octonauts encounter a snapping shrimp – a small creature that uses its claws to make a big, and stunning, noise.

11 min

The Snot Sea Cucumber
E20

The Snot Sea Cucumber

After an underwater tremor, an injured sea cucumber named Slippy gets loose on the Octopod, so to let her breathe, they flood the ship!

11 min

The Giant Whirlpool
E21

The Giant Whirlpool

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.

11 min

The Hermit Crabs
E22

The Hermit Crabs

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.

11 min

The Mixed-Up Whales
E23

The Mixed-Up Whales

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.

11 min

The Kelp Forest Rescue
E24

The Kelp Forest Rescue

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.

11 min

The Decorator Crab
E25

The Decorator Crab

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.

11 min

The Beluga Whales
E26

The Beluga Whales

The 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.

11 min

The Hungry Pilot Fish
E27

The Hungry Pilot Fish

The 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.

11 min

The Vampire Squid
E28

The Vampire Squid

Peso 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.

11 min

The Seahorse Tale
E29

The Seahorse Tale

After 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!

11 min

The Giant Jelly
E30

The Giant Jelly

The Octonauts must rescue Peso when he gets trapped inside a giant ctenophore.

11 min

The Cookiecutter Sharks
E31

The Cookiecutter Sharks

Some 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.

11 min

The Oarfish
E32

The Oarfish

Dashi 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.

11 min

The Combtooth Blenny
E33

The Combtooth Blenny

When 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.

11 min

The Jellyfish Bloom
E34

The Jellyfish Bloom

When Shellington gets trapped in the middle of a massive Jellyfish bloom, it's up to the Octonauts to rescue him.

11 min

The Baby Dolphin
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E35

The Baby Dolphin

When a young dolphin follows Kwazii home, he has to babysit while the other Octonauts search for its mother.

11 min

The Scary Spookfish
E36

The Scary Spookfish

The 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.

11 min

The Arctic Orcas
E37

The Arctic Orcas

When Captain Barnacles and Peso get lost in the icy Arctic sea, a pod of Orcas help the Octonauts find them.

11 min

The Slime Eels
E38

The Slime Eels

Kwazii covets the treasure in a sunken pirate ship, but its protected by slime squirting Slime Eels.

11 min

The Enormous Elephant Seal
E39

The Enormous Elephant Seal

When Peso and the Octonauts aid an enormous Elephant Seal, he overstays his welcome in the Octopod.

11 min

The Sardine School
E40

The Sardine School

The Octonauts must work together as a team to help a lost sardine find her school.

11 min

The Dolphin Reef Rescue
E41

The Dolphin Reef Rescue

When the Octonauts all pitch in to help save a sick coral reef, they get some unexpected help from a pod of playful dolphins.

11 min

The Eel Ordeal
E42

The Eel Ordeal

The Octonauts travel up a treacherous river to help a young migrating eel on her difficult journey.

11 min

The Marine Iguanas
E43

The Marine Iguanas

The 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!

11 min

The Dwarf Lantern Shark
E44

The Dwarf Lantern Shark

Down in the darkness of the ocean deep, Peso and the Octonauts must help a tiny, injured Dwarf Lantern Shark.

11 min

The Pirate Parrotfish
E45

The Pirate Parrotfish

When the Octonauts go on a pirate treasure hunt, Kwazii meets a Parrotfish.

11 min

The Electric Torpedo Rays
E46

The Electric Torpedo Rays

Some 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.

11 min

The Crafty Cuttlefish
E47

The Crafty Cuttlefish

Captain Barnacles allows Tunip to use his Octo-compass. But when Tunip loses it, a cuttlefish takes it.

11 min

The Lost Lemon Shark
E48

The Lost Lemon Shark

The 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.

11 min

The Humuhumunukunukuapua'a
E49

The Humuhumunukunukuapua'a

When the Octopod's waterworks are flooded with frightened Humuhumu fish, the Octonauts have to find a way to flush them out.

11 min

The Giant Spider Crab
E50

The Giant Spider Crab

The 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.

11 min

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