Octonauts

Season 1

TV-Y

An intrepid band of explorers roam the oceans in search of adventure and fun. Led by a valiant polar bear and a daredevil kitten, these eight talented critters are always ready to embark on an exciting new mission.

Where to Watch Season 1

50 Episodes

The Whale Shark
E1
The Whale SharkWhen 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.
The Undersea Storm
E2
The Undersea StormWhen 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.
The Crab and the Urchin
E3
The Crab and the UrchinThe crew pursues crustaceans who’ve hijacked the Octopod.
The Walrus Chief
E4
The Walrus ChiefA walrus mistakes Peso's medical bag for a clam and takes it home. Walruses don't like other animals near their colonies, so Captain Barnacles, Kwazii and Peso disguise themselves as a fellow walrus to sneak into the dangerous colony and retrieve the medical bag.
The Flying Fish
E5
The Flying FishWhen 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.
The Giant Squid
E6
The Giant SquidThe 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.
The Orcas
E7
The OrcasWhen 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.
The Great Algae Escape
E8
The Great Algae EscapeCaptain 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.
The Remipedes
E9
The RemipedesWhen Shellington gets lost in a dark sea cave, he gets unexpected assistance from some blind Remipedes.
The Speedy Sailfish
E10
The Speedy SailfishWhen all the Gups go out of control, Barnacles and Kwazii leap onto the backs of some speedy Sailfish to round them up.
The Blobfish Brothers
E11
The Blobfish BrothersThe Octonauts must evacuate sea creatures before an underwater volcano erupts, but there's one creature that won't budge: a slow moving, gelatinous Blobfish.
The Monster Map
E12
The Monster MapThe 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.
The Lost Sea Star
E13
The Lost Sea StarWhen the Octonauts find an unusual Sea Star on the beach, they search the ocean from top to bottom (literally) to help find its home.
The Albino Humpback Whale
E14
The Albino Humpback WhaleThe Octonauts help out an Albino Humpback Whale with a nasty sunburn.
The Giant Kelp Forest
E15
The Giant Kelp ForestWhen 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.
The Enemy Anemones
E16
The Enemy AnemonesThe 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.
The Narwhal
E17
The NarwhalWhile 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.
The Midnight Zone
E18
The Midnight ZoneWhile 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.
The Snapping Shrimp
E19
The Snapping ShrimpThe Octonauts encounter a snapping shrimp – a small creature that uses its claws to make a big, and stunning, noise.
The Snot Sea Cucumber
E20
The Snot Sea CucumberAfter an underwater tremor, an injured sea cucumber named Slippy gets loose on the Octopod, so to let her breathe, they flood the ship!
The Giant Whirlpool
E21
The Giant WhirlpoolThe 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.
The Hermit Crabs
E22
The Hermit CrabsWhen 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.
The Mixed-Up Whales
E23
The Mixed-Up WhalesWhen the Octonauts clean and repair their ship, the Octopod, the resulting noise causes a nearby blue whale to act in strange and dangerous ways.
The Kelp Forest Rescue
E24
The Kelp Forest RescueWhen 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.
The Decorator Crab
E25
The Decorator CrabWhen 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.
The Beluga Whales
E26
The Beluga WhalesThe 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.
The Hungry Pilot Fish
E27
The Hungry Pilot FishThe 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.
The Vampire Squid
E28
The Vampire SquidOn a solo training dive to the Midnight Zone, Peso encounters a hurt vampire squid. Scared by the sudden arrival of Kwazii and Captain Barnacles it sprays them with sticky bioluminescent mucus and flees, but in the end Peso is able to help it.
The Seahorse Tale
E29
The Seahorse TaleAfter 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!
The Giant Jelly
E30
The Giant JellyThe Octonauts must rescue Peso when he gets trapped inside a giant ctenophore.
The Cookiecutter Sharks
E31
The Cookiecutter SharksSome 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.
The Oarfish
E32
The OarfishDashi catches a glimpse of an elusive creature that appears to be a giant sea serpent and manages to photograph its tail. The truth is stranger than fiction when it appears to be an awesomely, long oarfish.
The Combtooth Blenny
E33
The Combtooth BlennyWhen 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.
The Jellyfish Bloom
E34
The Jellyfish BloomShellington gets trapped by sea nettle jellyfish whilst watching garden eels. Barnacles, Kwazii and Peso try to save him but Barnacles gets stung by a jellyfish. Luckily, Peso heals it with vinegar and then goes to the rescue with Kwazii.
The Baby Dolphin
E35
The Baby DolphinWhen a young dolphin follows Kwazii home, he has to babysit while the other Octonauts search for its mother.
The Scary Spookfish
E36
The Scary SpookfishThe 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.
The Arctic Orcas
E37
The Arctic OrcasWhen Captain Barnacles and Peso get lost in the icy Arctic sea, a pod of Orcas help the Octonauts find them.
The Slime Eels
E38
The Slime EelsKwazii searches the shipwreck of his pirate grandfather for his gold spyglass. It's guarded by blind hagfish, but their slime unexpectedly helps him when he gets stuck. Kwazii leaves the spyglass because it's now the home of sea creatures.
The Enormous Elephant Seal
E39
The Enormous Elephant SealWhen Peso and the Octonauts aid an enormous Elephant Seal, he overstays his welcome in the Octopod.
The Sardine School
E40
The Sardine SchoolThe Octonauts must work together as a team to help a lost sardine find her school.
The Dolphin Reef Rescue
E41
The Dolphin Reef RescueWhen the Octonauts all pitch in to help save a sick coral reef, they get some unexpected help from a pod of playful dolphins.
The Eel Ordeal
E42
The Eel OrdealThe Octonauts travel up a treacherous river to help a young migrating eel on her difficult journey.
The Marine Iguanas
E43
The Marine IguanasThe 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!
The Dwarf Lantern Shark
E44
The Dwarf Lantern SharkDown in the darkness of the ocean deep, Peso and the Octonauts must help a tiny, injured Dwarf Lantern Shark.
The Pirate Parrotfish
E45
The Pirate ParrotfishKwazii discovers Calico Jack's Parrot Island treasure map behind an old photo. Whilst looking for the island they meet a parrotfish, who helps them clear away dense algae and hide from vicious moray eels.
The Electric Torpedo Rays
E46
The Electric Torpedo RaysSome 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.
The Crafty Cuttlefish
E47
The Crafty CuttlefishCaptain Barnacles allows Tunip to use his Octo-compass. But when Tunip loses it, a cuttlefish takes it.
The Lost Lemon Shark
E48
The Lost Lemon SharkThe 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.
The Humuhumunukunukuapua'a
E49
The Humuhumunukunukuapua'aWhen the Octopod's waterworks are flooded with frightened Humuhumu fish, the Octonauts have to find a way to flush them out.
The Giant Spider Crab
E50
The Giant Spider CrabThe 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.