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Octonauts

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S10 E26

About Octonauts

Octonauts is a kids and animation TV series that premiered on CBeebies on October 5, 2010. It has 11 seasons and 247 episodes so far and is still airing new episodes. The latest episode, Season 10 Episode 26, aired on August 11, 2023.

Follows an underwater exploring crew made up of stylized anthropomorphic animals, a team of eight adventurers who live in an undersea base, the Octopod, from where they go on undersea adventures with the help of a fleet of aquatic vehicles.

  • Kids
  • Animation
  • Action & Adventure

Last updated

Episodes

247 episodes · 11 seasons

Octonauts Season 12 hasn’t been dated yet. See what we know. Release date →

Season 1

2010 · 50 episodes · Last episode: 15 years ago

Octonauts Season 1 release dates →
  1. Octonauts S1 E50 still E50

    50. The Dwarf Lantern Shark

    Finale

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

  2. Octonauts S1 E49 still E49

    49. 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!

  3. Octonauts S1 E48 still E48

    48. 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.

  4. Octonauts S1 E47 still E47

    47. 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.

  5. Octonauts S1 E46 still E46

    46. 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.

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    45. The Baby Dolphin

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

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    44. 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.

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    43. The Crafty Cuttlefish

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

  9. Octonauts S1 E42 still E42

    42. 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.

  10. Octonauts S1 E41 still E41

    41. 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. Octonauts S1 E40 still E40

    40. 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.

  12. Octonauts S1 E39 still E39

    39. 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.

  13. Octonauts S1 E38 still E38

    38. 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.

  14. Octonauts S1 E37 still E37

    37. The Pirate Parrotfish

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

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    36. 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.

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    35. The Eel Ordeal

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

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    34. The Sardine School

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

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    33. The Enormous Elephant Seal

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

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    32. 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.

  20. Octonauts S1 E31 still E31

    31. The Snapping Shrimp

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

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    30. The Giant Jelly

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

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    29. 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.

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    28. The Arctic Orcas

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

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    27. The Slime Eels

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

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    26. 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.

  26. Octonauts S1 E25 still E25

    25. 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!

  27. Octonauts S1 E24 still E24

    24. 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.

  28. Octonauts S1 E23 still E23

    23. 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.

  29. Octonauts S1 E22 still E22

    22. 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.

  30. Octonauts S1 E21 still E21

    21. 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.

  31. Octonauts S1 E20 still E20

    20. 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.

  32. Octonauts S1 E19 still E19

    19. 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.

  33. Octonauts S1 E18 still E18

    18. 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.

  34. Octonauts S1 E17 still E17

    17. 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.

  35. Octonauts S1 E16 still E16

    16. The Jellyfish Bloom

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

  36. Octonauts S1 E15 still E15

    15. 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.

  37. Octonauts S1 E14 still E14

    14. The Whale Shark

    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.

  38. Octonauts S1 E13 still E13

    13. 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.

  39. Octonauts S1 E12 still E12

    12. 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.

  40. Octonauts S1 E11 still E11

    11. 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.

  41. Octonauts S1 E10 still E10

    10. The Remipedes

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

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    9. The Albino Humpback Whale

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

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    8. The Crab and the Urchin

    The crew pursues crustaceans who’ve hijacked the Octopod.

  44. Octonauts S1 E7 still E7

    7. 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.

  45. Octonauts S1 E6 still E6

    6. 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.

  46. Octonauts S1 E5 still E5

    5. 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.

  47. Octonauts S1 E4 still E4

    4. 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.

  48. Octonauts S1 E3 still E3

    3. 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.

  49. Octonauts S1 E2 still E2

    2. 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.

  50. Octonauts S1 E1 still E1

    1. 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.

Season 2

2012 · 23 episodes · Last episode: 13 years ago

Octonauts Season 2 release dates → +1 upcoming episode with air dates still to be announced. Get notified
  1. Octonauts S2 E22 still E22

    22. The Gulper Eels

    When hungry gulper eels as well as undersea tremors threaten Inkling and Kwazii, Dashi uses the new, multi-purpose Octo Max Suit to rescue them.

  2. Octonauts S2 E21 still E21

    21. The Humphead Parrotfish

    The Octonauts use magnets to try to stop a meteor that's heading toward the Octopod and get an assist from a rock-chomping humphead parrotfish and her friends.

  3. Octonauts S2 E20 still E20

    20. The Saltwater Crocodile

    When a gigantic saltwater crocodile wanders into freezing waters, the Octonauts must figure out how to get the predator back to his warm water home - without anyone getting hurt.

  4. Octonauts S2 E19 still E19

    19. The Manatees

    Running out of air, Barnacles struggles to free his paw from the mouth of a giant clam, while simultaneously directing his crew in a delicate manatee rescue operation.

  5. Octonauts S2 E18 still E18

    18. The Leafy Sea Dragons

    When two young leafy sea dragons are accidentally separated from their father and brought onboard the Octopod, the Octonauts must find them before they end up in Kwazii's stew!

  6. Octonauts S2 E17 still E17

    17. The Lionfish

    The Octonauts get more than they bargained for when they use the Octopod to transport a pair of invasive lionfish back to their native habitat.

  7. Octonauts S2 E16 still E16

    16. The Mimic Octopus

    The Octonauts recruit a shape-shifting mimic octopus to help them recover an important vial of medicinal algae from a moray eel's lair.

  8. Octonauts S2 E15 still E15

    15. The Triggerfish

    The Octonauts' floating temperature sensors alert them to a risk of waterspouts due to a rise in sea surface temperature so they decide to retrieve the devices for safe-keeping. But Kwazii gets into an argument with a possessive triggerfish which has adopted one of the devices as its home, and they both get carried away by a waterspout. Kwazii ends up having to defend the fish from a seabird and a swordfish that want to eat it. Luckily the characteristic grunting sounds that triggerfish make when distressed enables the other Octonauts to locate them.

  9. Octonauts S2 E14 still E14

    14. The Swashbuckling Swordfish

    The octonauts discover a rare showing of a full moon as Kwazii discovers that its known as the Pirate Moon as Kwazii and The Octonauts search for a ship that belonged to the pirate king as Kwazii searches for the sword of the Pirate King until a trio of swordfish prevent Kwazii from getting closer to the wrecked ship.

  10. Octonauts S2 E13 still E13

    13. The Manta Rays

    The Octonauts help a young manta ray find the secret manta ray feeding grounds, but when they finally locate it, the Octonauts become caught in the middle of a dangerous feeding frenzy!

  11. Octonauts S2 E12 still E12

    12. The Fiddler Crabs

    The Octonauts help clean up a beach after a storm, but things get complicated when the resident fiddler crabs hijack the Gup-D!

  12. Octonauts S2 E11 still E11

    11. The Long Armed Squid

    Peso and Kwazii venture down to the midnight zone to help a hurt creature, but what they find is a shipwreck 'haunted' by a spooky-looking long-armed squid.

  13. Octonauts S2 E10 still E10

    10. The Scared Sperm Whale

    A timid sperm whale must help the Octonauts release Peso from a giant clam.

  14. Octonauts S2 E9 still E9

    9. The Damselfish

    The Octonauts help a group of algae-eating fish stand up to some aggressive damselfish, who are harming their own reef by over-farming it with algae.

  15. Octonauts S2 E8 still E8

    8. The Porcupine Puffer

    Barnacles, Kwazii and Peso venture back inside a whale shark to retrieve a Porcupine Puffer Fish that was accidentally swallowed.

  16. Octonauts S2 E7 still E7

    7. The Jawfish

    A mouth-brooding jawfish father has lost his eggs, and the Octonauts must brave strong currents and other obstacles to help get them back to him!

  17. Octonauts S2 E6 still E6

    6. The Bowhead Whales

    When the Octonauts are unable to rescue a group of Narwhals trapped behind arctic ice, they recruit a Bowhead Whale to help them break through!

  18. Octonauts S2 E5 still E5

    5. The Sea Snakes

    It's Sea Snakes on an Octopod when a poisonous sea krait lays her eggs in the garden pod, just as Captain Barnacles has to navigate the ship past a treacherous whirlpool.

  19. Octonauts S2 E4 still E4

    4. The Great White Shark

    Peso must perform an emergency fin bandage on a hungry great white shark, but first they need to subdue the giant predator using a trick called 'tonic immobility'.

  20. Octonauts S2 E3 still E3

    3. The Coconut Crabs

    Kwazii finds a mysterious, unbreakable coconut, so the Octonauts seek out the help of some large, island-dwelling coconut crabs to open it.

  21. Octonauts S2 E2 still E2

    2. The Adelie Penguins

    While Kwazii and Peso have their hands full babysitting a bunch of Adelie penguin chicks, Captain Barnacles must rescue the chicks' parents from a perilous sea storm!

  22. Octonauts S2 E1 still E1

    1. The Colossal Squid

    The Octopod is attacked by a colossal squid, who drags the ship down an abyssal trench, forcing Barnacles and Kwazii to make a perilous swim outside to confront the gigantic beast.

Season 3

2013 · 20 episodes · Last episode: 11 years ago

Octonauts Season 3 release dates →
  1. Octonauts S3 E20 still E20

    20. The Loggerhead Sea Turtle

    Finale

    After an undersea tremor separates the Gup-X and its crew, Barnacles seeks guidance from a mysterious sea turtle.

  2. Octonauts S3 E19 still E19

    19. The Hammerhead Sharks

    The Octonauts meet some hammerheaded sharks, however, they can't sleep too well because Shellington and Professor Inkling have been arguing about who is smarter that they are no longer friends.

  3. Octonauts S3 E18 still E18

    18. The Urchin Invasion

    The Octonauts head to the kelp forest to visit Shellington's sister, Pearl, and her newborn son Periwinkle - only to find the forest endangered by an infestation of kelp-eating urchins!

  4. Octonauts S3 E17 still E17

    17. The Immortal Jellyfish

    Shellington and the Octonauts try to track an unusual creature: a jellyfish that can transform from old to young repeatedly - and live forever!

  5. Octonauts S3 E16 still E16

    16. The Sea Sponge

    A sea sponge that houses other sea creatures in its pores suffers from a mysterious illness and Peso must figure out the cause.

  6. Octonauts S3 E15 still E15

    15. The Red Rock Crabs

    When Shellington and the crew try to gather some skittish crabs who have drifted away from home, they get help from some old friends.

  7. Octonauts S3 E14 still E14

    14. The Lion's Mane Jellyfish

    A lion's mane jellyfish gets its long and stingy tentacles tangled in the bubble engine, unintentionally flooding the Octopod and causing havoc.

  8. Octonauts S3 E13 still E13

    13. The Harbour Seal

    When Peso's patient, a remora fish, mysteriously disappears, the Octonauts enlist a unique undersea detective - a harbour seal.

  9. Octonauts S3 E12 still E12

    12. The Mudskippers

    The Octonauts attempt to keep the peace amongst a trio of mudskippers whose home has been flooded.

  10. Octonauts S3 E11 still E11

    11. The Sea Skaters

    When Kwazii gets lost at sea aboard the tiny octo-ski, he meets a flotilla of even tinier sea skaters - the only insects who live on the ocean.

  11. Octonauts S3 E10 still E10

    10. The Duck-Billed Platypus

    While rescuing river creatures after a storm, the Octonauts find a strange egg and come under attack by stinging platypuses.

  12. Octonauts S3 E9 still E9

    9. The Barracudas

    Shellington and the Vegimals' mission to replant a mangrove forest is put in peril by a school of toothy barracudas.

  13. Octonauts S3 E8 still E8

    8. The Yeti Crab

    As Tweak tests the Gup-X deep down in the Midnight Zone, a yeti crab cuts a vital electrical wire in the ship and cuts off all power, endangering itself and the Octonauts.

  14. Octonauts S3 E7 still E7

    7. The Sea Pigs

    The Octonauts must stop a huge herd of sea pigs before they march blindly into the Mariana Trench - where there will be no access to food. But things get chaotic when Tunip goes missing!

  15. Octonauts S3 E6 still E6

    6. The Pelicans

    When a floating garbage patch endangers a flock of pelicans and other sea creatures, the Octonauts and the birds work together to clean it up.

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    5. The Humpback Whales

    When a sardine swallows the key to a treasure chest, a humpback whale helps Kwazii track it down.

  17. Octonauts S3 E4 still E4

    4. The Artificial Reef

    When an underwater storm destroys a small reef, Tweak and her crew try to convert the Gup-F into an artificial equivalent.

  18. Octonauts S3 E3 still E3

    3. The Cone Snail

    Peso sets out to save the day when a cone snail invades the octopod and picks off the crew one by one with its dangerous harpoons.

  19. Octonauts S3 E2 still E2

    2. The Water Bears

    The gang ventures into a red-hot lava tube to rescue a tiny water bear that does not seem to mind the heat at all.

  20. Octonauts S3 E1 still E1

    1. The Siphonophore

    Kwazii and Dashi become entangled in a strange deep-sea creature - a siphonophore.

Season 4

2015 · 24 episodes · Last episode: 9 years ago

Octonauts Season 4 release dates →
  1. Octonauts S4 E24 still E24

    24. Octonauts and the Spinner Dolphins

    The Octonauts struggle to save a pod of spinner dolphins who seem to be just swimming in their sleep.

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    23. Octonauts and the Baby Gator

    Kwazii adopts a baby alligator naming him Nipper, but when it escapes the Octopod, he and the Octonauts must rescue him.

  3. Octonauts S4 E22 still E22

    22. Octonauts and the Coconut Crisis

    Kwazii takes a vacation on Coconut Island where he gets hit by some coconuts. Then he and the Octonauts must help their old friends the Coconut Crabs discover who's stealing all their coconuts.

  4. Octonauts S4 E21 still E21

    21. Octonauts and the Kelp Monster Mystery

    Dashi teams up with her little sister Koshi to help the Octonauts solve a mysterious disappearance in the Kelp Forest. This is the second episode in which is unknown who sounded the Octo-Alert.

  5. Octonauts S4 E20 still E20

    20. Octonauts and the Bomber Worms

    While diving down to the Midnight Zone, the Octonauts are attacked by bomber worms.

  6. Octonauts S4 E19 still E19

    19. Octonauts and Operation Cooperation

    After Shellington crashes the GUP-D for the 3rd time, he and Kwazii team up with moray eels and grouper fish to help pick up the pieces and fix the vehicle before daylight occurs.

  7. Octonauts S4 E18 still E18

    18. Octonauts and the Hippos

    Trying to return home from a mission along an African river, the Octonauts have trouble getting past a gang of large, mud-splatting, territorial hippos.

  8. Octonauts S4 E17 still E17

    17. Octonauts and the Yellow Bellied Sea Snakes

    When Peso gets stranded on a beach with a mass of poisonous snakes after a terrible storm, he and the Octonauts must somehow get them back to the ocean.

  9. Octonauts S4 E16 still E16

    16. Octonauts and the Surfing Snails

    When surfing snails are swept out to sea, it's up to Dashi and the Octonauts to save them.

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    15. Octonauts and the Coelacanth

    While exploring a dark and spooky cave, The Octonauts find a strange fossil of a powerful prehistoric fish... but it may be more than just a fossil!

  11. Octonauts S4 E14 still E14

    14. Octonauts and the Sunfish

    When a huge sunfish enters the GUP-E, Peso and Kwazii must somehow get the large fish out of the Gup. Eventually they find out it's a Sunfish a fish with no fins.

  12. Octonauts S4 E13 still E13

    13. Octonauts and the Tiger Shark

    When a hungry tiger shark eats the camera that Tweak's turtle friend Sandy gets in the Octopod, she and the Octonauts must rescue her before it eats everything in its path.

  13. Octonauts S4 E12 still E12

    12. Octonauts and the Flamingos

    The Octonauts find a lost flamingo chick separated from his family and they have to return him there before hungry alligators do!

  14. Octonauts S4 E11 still E11

    11. Octonauts and the Crawfish

    When a population of crawfish is stricken by illness, the Octonauts race to find a cure.

  15. Octonauts S4 E10 still E10

    10. Octonauts and the Emperor Penguins

    The Octonauts journey across a dangerous expanse of ice to help a penguin mother get back to her family.

  16. Octonauts S4 E9 still E9

    9. Octonauts and the Convict Fish

    The Octonauts evacuate the creatures living around a reef before a large archway collapses, but one stubborn convict fish refuses to move from her burrow.

  17. Octonauts S4 E8 still E8

    8. Octonauts and the Tree Lobsters

    When a storm washes Peso onto a mysterious, rocky island, he meets a band of lobster-like insects thought to be extinct.

  18. Octonauts S4 E7 still E7

    7. Octonauts and the Loneliest Whale

    The Octonauts follow a strange song to a lonely humpback whale.

  19. Octonauts S4 E6 still E6

    6. Octonauts and the Mantis Shrimp

    The Octonauts must get 2 mantis shrimp to stop fighting before their powerful claw strikes destroy the Octopod.

  20. Octonauts S4 E5 still E5

    5. Octonauts and the Walrus Pups

    Captain Barnacles and his niece and nephew, Ursa and Orson, must rescue walrus pups who are stranded on a runaway ice floe, before it collides with a huge iceberg!

  21. Octonauts S4 E4 still E4

    4. Octonauts and the Baby Sea Turtles

    As newborn baby sea turtles make their way to the ocean, the Octonauts must steer them clear a giant wave and hungry predators.

  22. Octonauts S4 E3 still E3

    3. Octonauts and the Octopod Mystery

    When the Octopod breaks down, Tweak and the crew search for a missing part aboard an abandoned prototype of the ship, not realising something lives there.

  23. Octonauts S4 E2 still E2

    2. Octonauts and the Hidden Lake

    The Octonauts are exploring Antarctica, when Shellington discovers strange microscopic creatures living under the ice.

  24. Octonauts S4 E1 still E1

    1. Octonauts and the Poison Dart Frogs

    When a giant wave hurls Amazon River creatures up into the trees, the Octonauts must get them down safely, without disturbing poison dart frogs who live there.

Season 5

2020 · 27 episodes · Last episode: 3 years ago

Octonauts Season 5 release dates →
  1. Octonauts S5 E27 still E27

    27. Chinese Giant Salamander

    The Octonauts head to the Yangtze River to help Min the Mapmaker, an old friend of Inkling's, who's been trapped by a mysterious creature. Turns out, It was just a Chinese giant salamander protecting her precious eggs, which have fallen ill due to rising water temperatures.

  2. Octonauts S5 E26 still E26

    26. Scaly-Foot Snail

    The Octonauts meet strong scaly foot snails and enlist them in trying to help save the Octo-Lab from falling into a crevice.

  3. Octonauts S5 E25 still E25

    25. Bicolour Fangblenny

    The crew must catch a mysterious fish that’s out to bite every creature in the reef.

  4. Octonauts S5 E24 still E24

    24. Silver Sea

    The Octonauts encounter a blob of glowing liquid drifting on the ocean’s surface.

  5. Octonauts S5 E23 still E23

    23. Deep Ocean Discovery

    Shellington’s sister and nephew, Pearl and Periwinkle, join him on a mission.

  6. Octonauts S5 E22 still E22

    22. Fish Mouth Louse

    The Octonauts help a creature find his louse friend who got lost and could be in trouble.

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    21. Tiger Fish and Blind Shrimp

    The Octonauts encounter a tiger fish and blind shrimp who become separated.

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    20. Mud Volcanoes

    While exploring the Mariana Trench, Shellington and Dashi come across a path full of mud volcanoes and a creature in need.

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    19. Zombie Worms

    The Octolab is being eaten away by a group of zombie worms, tasking the crew with finding a new home for them.

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    18. Beavers

    In order for a school of salmon to reach their nesting area, the Octonauts must enlist help from a family of beavers.

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    17. Axolotl

    Captain Barnacles and Kwazii help a pair of singing female axolotls named George's mom (yellow) and George (pink) find a new watering hole, while protecting them from a hungry flock of herons.

  12. Octonauts S5 E16 still E16

    16. Great Octo-Bot Rescue

    When the Octo-Bots sink into a lake of boiling hot sulfur, Kwazii has to rescue them before the surface hardens.

  13. Octonauts S5 E15 still E15

    15. Giant Sea Spiders

    Kwazii and Shellington get lost in the Antarctic’s deep seas, before meeting a family of giant sea spiders who may know a way out.

  14. Octonauts S5 E14 still E14

    14. Bullfrogs

    When the Vegimals accidentally bring bullfrogs into the Octopod, they must rally them up and bring them back home before the Octonauts find out.

  15. Octonauts S5 E13 still E13

    13. Seven Sea Squirts

    The Octonauts help a band of algae-shooting sea squirts reunite in order to stop an outbreak in the reef.

  16. Octonauts S5 E12 still E12

    12. Wood Eating Catfish

    When Kwazii is found with an injury, he tells the tale of how he and Calico Jack encountered a fish that ate his peg leg.

  17. Octonauts S5 E11 still E11

    11. Hawksbill Sea Turtle

    The Octonauts must guide an ill-stricken hawksbill sea turtle into cooler waters, in order for her to lay healthy eggs.

  18. Octonauts S5 E10 still E10

    10. Sea Lions

    When a wave traps Dashi in a cave with an injured sea lion, the Octonauts and sea lion pack must work together to save them. Using just some rope and a life buoy the pack fights against the waves to save them. Can they save them before it is too late?

  19. Octonauts S5 E9 still E9

    9. Flying Squid

    The Octonauts meet a flying squid who can help Kwazii's grandfather, Calico Jack, retrieve his treasure.

  20. Octonauts S5 E8 still E8

    8. Grey Whales

    The Octonauts must help reunite a grey whale calf with his mother, keeping him well fed in the meantime.

  21. Octonauts S5 E7 still E7

    7. Nautilus

    Kwazii sets off on a monster hunt, and soon encounters a shelled creature called a Nautilus.

  22. Octonauts S5 E6 still E6

    6. Sawfish

    When Kwazii gets a case of pirate hiccups, he and Peso go up the river in search of a pirate doctor’s treasure that can cure him.

  23. Octonauts S5 E5 still E5

    5. Feeding Frenzy

    While exploring a reef, Shellington and Dashi accidentally trigger a feeding frenzy with multiple sharks biting at anything that moves. As Barnacles and Tweak work frantically to plan a rescue, Shellington and Dashi try not to become shark food!

  24. Octonauts S5 E4 still E4

    4. Ghost Ship

    The Octonauts follow a trail of deep-sea debris to its source: a derelict ship floating unmanned on the surface. But the ship seems to be haunted by ghostly voices, which a quick dip below the water line reveals to be hundreds of barnacles stuck to the ship. As the ship drifts into waters too cold for the barnacles, the Octonauts must find a way to tow it to warmer waters before it sinks or falls apart.

  25. Octonauts S5 E3 still E3

    3. Whales of Mystery

    Shellington is excited to find the distinctive tooth of a very rare creature, the spade-toothed beaked whale. Now, the Octonauts must find the tooth’s owner, so Shellington can study it, and so that Peso can help replace its tooth. But it won’t be easy: spade-toothed beaked whales like to be left alone and can dive very deep.

  26. Octonauts S5 E2 still E2

    2. Bluefin Tuna

    After an encounter with a school of migrating tuna, the Octonauts discover that one of the speedy fish, Tina, has been left behind. And she’s injured! Poor Tina has a hook stuck in her mouth and is too weak to swim. After Peso tends to her wound, the Octonauts agree to help get her to the tuna spawning grounds. But they’ll have to be quick: egg-laying season doesn’t last long. Luckily, Tweak’s latest gup, the Gup-R, is the fastest she’s ever built! The Octonauts use it to tow Tina, but when the Gup-R’s battery dies, how will they catch up to the rest of her school?

  27. Octonauts S5 E1 still E1

    1. Blue Whale Rescue

    When Kwazii discovers a blue whale with an injured tail, the Octonauts attempt to use a giant net and Octofloats to keep it from sinking. Meanwhile, Peso and Tweak collaborate on a special brace for its tail, and Kwazii, Dashi and Shellington try to find it enough food. But when the supporting net breaks, the Octonauts have to launch an emergency free-fall rescue!

Season 10

26 episodes · Last episode: 3 years ago

Octonauts Season 10 release dates →
  1. Octonauts S10 E26 still E26

    26. Episode 26

  2. Octonauts S10 E25 still E25

    25. Episode 25

  3. Octonauts S10 E24 still E24

    24. Episode 24

  4. Octonauts S10 E23 still E23

    23. Episode 23

  5. Octonauts S10 E22 still E22

    22. Episode 22

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    21. Episode 21

  7. Octonauts S10 E20 still E20

    20. Episode 20

  8. Octonauts S10 E19 still E19

    19. Episode 19

  9. Octonauts S10 E18 still E18

    18. Episode 18

  10. Octonauts S10 E17 still E17

    17. Episode 17

  11. Octonauts S10 E16 still E16

    16. Episode 16

  12. Octonauts S10 E15 still E15

    15. Episode 15

  13. Octonauts S10 E14 still E14

    14. Episode 14

  14. Octonauts S10 E13 still E13

    13. Episode 13

  15. Octonauts S10 E12 still E12

    12. Episode 12

  16. Octonauts S10 E11 still E11

    11. Episode 11

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    10. Episode 10

  18. Octonauts S10 E9 still E9

    9. Episode 9

  19. Octonauts S10 E8 still E8

    8. Episode 8

  20. Octonauts S10 E7 still E7

    7. Episode 7

  21. Octonauts S10 E6 still E6

    6. Episode 6

  22. Octonauts S10 E5 still E5

    5. Episode 5

  23. Octonauts S10 E4 still E4

    4. Episode 4

  24. Octonauts S10 E3 still E3

    3. Episode 3

  25. Octonauts S10 E2 still E2

    2. Episode 2

  26. Octonauts S10 E1 still E1

    1. Episode 1

Cast & crew

Created by Michael C. Murphy and Vicki Wong

Octonauts FAQ

When is the next episode of Octonauts?

A date for the next episode of Octonauts hasn't been announced yet. Follow Octonauts in the Streambay app and you'll be notified as soon as a new episode airs.

When did the latest episode of Octonauts come out?

The most recent episode of Octonauts, Season 10 Episode 26, aired on August 11, 2023.

How many seasons of Octonauts are there?

Octonauts has 11 seasons with 247 episodes in total.

When did Octonauts first air?

Octonauts first aired on CBeebies on October 5, 2010.

How do I get notified when new episodes of Octonauts are released?

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