Octonauts

S03 E01 · 2013-09-04 · 11 min

The Siphonophore

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

S03 E02 · 2013-09-05 · 11 min

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.

S03 E03 · 2013-09-06 · 11 min

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.

S03 E04 · 2013-09-09 · 11 min

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.

S03 E05 · 2013-09-10 · 11 min

The Humpback Whales

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

S03 E06 · 2013-09-11 · 11 min

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.

S03 E07 · 2013-09-12 · 11 min

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!

S03 E08 · 2013-09-13 · 11 min

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.

S03 E09 · 2014-03-10 · 11 min

The Barracudas

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

S03 E10 · 2014-03-11 · 11 min

The Duck-Billed Platypus

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

S03 E11 · 2014-03-12 · 11 min

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.

S03 E12 · 2014-03-13 · 11 min

The Mudskippers

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

S03 E13 · 2014-03-14 · 11 min

The Harbour Seal

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

S03 E14 · 2014-03-17 · 11 min

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.

S03 E15 · 2014-03-18 · 11 min

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.

S03 E16 · 2014-03-19 · 11 min

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.

S03 E17 · 2014-03-20 · 11 min

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!

S03 E18 · 2014-03-21 · 11 min

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!

S03 E19 · 2015-09-21 · 11 min

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.

S03 E20 · 2015-09-22 · 11 min

The Loggerhead Sea Turtle

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

S04 E01 · 2015-09-23 · 11 min

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.

S04 E02 · 2015-09-24 · 11 min

Octonauts and the Hidden Lake

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

S04 E03 · 2015-09-25 · 11 min

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.

S04 E04 · 2015-09-28 · 11 min

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.

S04 E05 · 2015-09-29 · 11 min

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!

S04 E06 · 2015-09-30 · 11 min

Octonauts and the Mantis Shrimp

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

S04 E07 · 2015-10-01 · 11 min

Octonauts and the Loneliest Whale

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

S04 E08 · 2015-10-02 · 11 min

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.

S04 E09 · 2015-12-14 · 11 min

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.

S04 E10 · 2015-12-16 · 11 min

Octonauts and the Emperor Penguins

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

S04 E11 · 2016-12-03 · 11 min

Octonauts and the Crawfish

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

S04 E12 · 2016-12-04 · 11 min

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!

S04 E13 · 2017-05-27 · 11 min

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.

S04 E14 · 2017-05-28 · 11 min

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.

S04 E15 · 2017-05-29 · 11 min

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!

S04 E16 · 2017-09-06 · 11 min

Octonauts and the Surfing Snails

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

S04 E17 · 2017-09-13 · 11 min

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.

S04 E18 · 2017-09-20 · 11 min

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.

S04 E19 · 2017-09-27 · 11 min

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.

S04 E20 · 2017-10-23 · 11 min

Octonauts and the Bomber Worms

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

S04 E21 · 2017-10-24 · 11 min

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.

S04 E22 · 2017-10-25 · 11 min

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.

S04 E23 · 2017-10-26 · 11 min

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.

S04 E24 · 2017-10-27 · 11 min

Octonauts and the Spinner Dolphins

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

S05 E01 · 11 min

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.

S05 E02 · 2023-03-27 · 11 min

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?

S05 E03 · 2020-12-28 · 11 min

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!

S05 E04 · 11 min

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.

S05 E05 · 11 min

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!

S05 E06 · 11 min

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.

S05 E07 · 11 min

Nautilus

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

S05 E08 · 11 min

Grey Whales

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

S05 E09 · 11 min

Flying Squid

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

S05 E10 · 11 min

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?

S05 E11 · 11 min

Hawksbill Sea Turtle

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

S05 E12 · 11 min

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.

S05 E13 · 11 min

Seven Sea Squirts

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

S05 E14 · 11 min

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.

S05 E15 · 11 min

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.

S05 E16 · 11 min

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.

S05 E17 · 11 min

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.

S05 E18 · 11 min

Beavers

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

S05 E19 · 11 min

Zombie Worms

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

S05 E20 · 11 min

Mud Volcanoes

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

S05 E21 · 11 min

Tiger Fish and Blind Shrimp

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

S05 E22 · 11 min

Fish Mouth Louse

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

S05 E23 · 11 min

Deep Ocean Discovery

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

S05 E24 · 11 min

Silver Sea

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

S05 E25 · 11 min

Bicolour Fangblenny

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

S05 E26 · 11 min

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.

S05 E27 · 22 min

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.

S06 E01 · 2021-01-01 · 12 min

Episode 1

S06 E02 · 2021-01-08 · 12 min

Episode 2

S06 E03 · 2021-01-15 · 12 min

Episode 3

S06 E04 · 2021-01-22 · 12 min

Episode 4

S06 E05 · 2021-01-29 · 12 min

Episode 5

S06 E06 · 2021-02-05 · 12 min

Episode 6

S06 E07 · 2021-02-12 · 12 min

Episode 7

S06 E08 · 2021-02-19 · 12 min

Episode 8

S06 E09 · 2021-02-26 · 12 min

Episode 9

S06 E10 · 2021-03-05 · 12 min

Episode 10

S06 E11 · 2021-03-12 · 12 min

Episode 11

S06 E12 · 2021-03-19 · 12 min

Episode 12

S06 E13 · 2021-03-26 · 12 min

Episode 13

S06 E14 · 2021-04-02 · 12 min

Episode 14

S06 E15 · 2021-04-09 · 12 min

Episode 15

S06 E16 · 2021-04-16 · 12 min

Episode 16

S06 E17 · 2021-04-23 · 12 min

Episode 17

S06 E18 · 2021-04-30 · 12 min

Episode 18

S06 E19 · 2021-05-07 · 12 min

Episode 19

S06 E20 · 2021-05-14 · 12 min

Episode 20

S06 E21 · 2021-05-21 · 12 min

Episode 21

S06 E22 · 2021-05-28 · 12 min

Episode 22

S06 E23 · 2021-06-04 · 12 min

Episode 23

S06 E24 · 2021-06-11 · 12 min

Episode 24

S06 E25 · 2021-06-18 · 12 min

Episode 25

S06 E26 · 2021-06-25 · 12 min

Episode 26

S07 E01 · 2021-06-01 · 12 min

Episode 1

S07 E02 · 2021-06-08 · 12 min

Episode 2

S07 E03 · 2021-06-15 · 12 min

Episode 3

S07 E04 · 2021-06-22 · 12 min

Episode 4

S07 E05 · 2021-06-29 · 12 min

Episode 5

S07 E06 · 2021-07-06 · 12 min

Episode 6

S07 E07 · 2021-07-13 · 12 min

Episode 7

S07 E08 · 2021-07-20 · 12 min

Episode 8

S07 E09 · 2021-07-27 · 12 min

Episode 9

S07 E10 · 2021-08-03 · 12 min

Episode 10

S07 E11 · 2021-08-10 · 12 min

Episode 11

S07 E12 · 2021-08-17 · 12 min

Episode 12

S07 E13 · 2021-08-24 · 12 min

Episode 13

S07 E14 · 2021-08-31 · 12 min

Episode 14

S07 E15 · 2021-09-07 · 12 min

Episode 15

S07 E16 · 2021-09-14 · 12 min

Episode 16

S07 E17 · 2021-09-21 · 12 min

Episode 17

S07 E18 · 2021-09-28 · 12 min

Episode 18

S07 E19 · 2021-10-05 · 12 min

Episode 19

S07 E20 · 2021-10-12 · 12 min

Episode 20

S07 E21 · 2021-10-19 · 12 min

Episode 21

S07 E22 · 2021-10-26 · 12 min

Episode 22

S07 E23 · 2021-11-02 · 12 min

Episode 23

S07 E24 · 2021-11-09 · 12 min

Episode 24

S07 E25 · 2021-11-16 · 12 min

Episode 25

S07 E26 · 2021-11-23 · 12 min

Episode 26

S08 E01 · 2023-01-01 · 12 min

Episode 1

S08 E02 · 2023-01-08 · 12 min

Episode 2

S08 E03 · 2023-01-15 · 12 min

Episode 3

S08 E04 · 2023-01-22 · 12 min

Episode 4

S08 E05 · 2023-01-29 · 12 min

Episode 5

S08 E06 · 2023-02-05 · 12 min

Episode 6

S08 E07 · 2023-02-12 · 12 min

Episode 7

S08 E08 · 2023-02-19 · 12 min

Episode 8

S08 E09 · 2023-02-26 · 12 min

Episode 9

S08 E10 · 2023-03-05 · 12 min

Episode 10

S08 E11 · 2023-03-12 · 12 min

Episode 11

S08 E12 · 2023-03-19 · 12 min

Episode 12

S08 E13 · 2023-03-26 · 12 min

Episode 13

S08 E14 · 2023-04-02 · 12 min

Episode 14

S08 E15 · 2023-04-09 · 12 min

Episode 15

S08 E16 · 2023-04-16 · 12 min

Episode 16

S08 E17 · 2023-04-23 · 12 min

Episode 17

S08 E18 · 2023-04-30 · 12 min

Episode 18

S08 E19 · 2023-05-07 · 12 min

Episode 19

S08 E20 · 2023-05-14 · 12 min

Episode 20

S08 E21 · 2023-05-21 · 12 min

Episode 21

S08 E22 · 2023-05-28 · 12 min

Episode 22

S08 E23 · 2023-06-04 · 12 min

Episode 23

S08 E24 · 2023-06-11 · 12 min

Episode 24

S08 E25 · 2023-06-18 · 12 min

Episode 25

S08 E26 · 2023-06-25 · 12 min

Episode 26

S09 E01 · 2024-01-01 · 12 min

Episode 1

S09 E02 · 2024-01-08 · 12 min

Episode 2

S09 E03 · 2024-01-15 · 12 min

Episode 3

S09 E04 · 2024-01-22 · 12 min

Episode 4

S09 E05 · 2024-01-29 · 12 min

Episode 5

S09 E06 · 2024-02-05 · 12 min

Episode 6

S09 E07 · 2024-02-12 · 12 min

Episode 7

S09 E08 · 2024-02-19 · 12 min

Episode 8

S09 E09 · 2024-02-26 · 12 min

Episode 9

S09 E10 · 2024-03-04 · 12 min

Episode 10

S09 E11 · 2024-03-11 · 12 min

Episode 11

S09 E12 · 2024-03-18 · 12 min

Episode 12

S09 E13 · 2024-03-25 · 12 min

Episode 13

S09 E14 · 2024-04-01 · 12 min

Episode 14

S09 E15 · 2024-04-08 · 12 min

Episode 15

S09 E16 · 2024-04-15 · 12 min

Episode 16

S09 E17 · 2024-04-22 · 12 min

Episode 17

S09 E18 · 2024-04-29 · 12 min

Episode 18

S09 E19 · 2024-05-06 · 12 min

Episode 19

S09 E20 · 2024-05-13 · 12 min

Episode 20

S09 E21 · 2024-05-20 · 12 min

Episode 21

S09 E22 · 2024-05-27 · 12 min

Episode 22

S09 E23 · 2024-06-03 · 12 min

Episode 23

S09 E24 · 2024-06-10 · 12 min

Episode 24

S09 E25 · 2024-06-17 · 12 min

Episode 25

S09 E26 · 2024-06-24 · 12 min

Episode 26

S10 E01 · 2025-05-29 · 12 min

Episode 1

S10 E02 · 2025-05-29 · 12 min

Episode 2