Where to stream Octonauts Season 4

Season 4

Watch Octonauts Season 4 in Australia

Released: 15th Dec, 2015

7.6 / 10

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Where to watch Octonauts Season 4

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Season 4 Episodes

S04 Episode

Special: Operation Deep Freeze

Captain Barnacles encounters his old friend, an arctic fox named Professor Natquik, in Antarctica. They work together to stop a group of penguins from falling into a perilous ice chasm.

23 mins · Tue, 15 Dec 2015

S04 Episode

The Octonauts and the Kelp Monster Mystery

Dashi, along with her little sister, Koshi, team up to solve a strange, mysterious disappearance in a kelp forest.

11 mins

S04 Episode

Coconut Crisis; Sunfish

Kwazii investigates when the coconut crab's coconuts start to disappear; the Octonauts come to the aid of a giant sunfish, who finds it difficult to swim in a straight line.

23 mins · Mon, 10 Apr 2017

S04 Episode

Emperor Penguins; Tiger Shark

The Octonauts embark on a dangerous trek over the ice to help a penguin mother find her family; Tweak comes to the aid of a sea turtle desperately trying to escape a hungry tiger shark.

23 mins · Wed, 8 Jun 2016

S04 Episode

Spinner Dolphins; Coelacanth

The Octonauts work hard to rescue a pod of spinner dolphins; the team stumble upon a prehistoric fish fossil that moves while exploring a dark cave.

23 mins · Sat, 19 Nov 2016

S04 Episode

Yellow Belly Sea Snakes; Loneliest Whale

Peso helps a mass of poisonous sea snakes make their way back to the ocean; a lonesome whale serenades the Octonauts.

23 mins · Sat, 12 Nov 2016

S04 Episode

Kelp Forest Mystery; Hippos

Dashi and her little sister Koshi work together to solve a kelp forest mystery; the Octonauts meet a group of hippos on their way home from an African river.

23 mins · Thu, 9 Jun 2016

S04 Episode

Flamingos; Operation Coorperation

The Octonauts stumble upon a lost flamingo chick while wading through a swamp; Shellington teams up with a moray eel and a grouper fish.

23 mins · Mon, 4 Apr 2016

S04 Episode

Baby Gator; Bomber Worms

Kwazii finds himself in trouble when his adopted baby alligator escapes; bomber worms attack the team when they go diving to the Midnight Zone.

23 mins · Tue, 15 Mar 2016

S04 Episode

Crawfish; Surfing Snail

The Octonauts race to discover a cure when a group of crawfish fall ill with a seemingly deadly sickness; Dashi tries to rescue surfing snails when a giant wave sweeps them out to sea.

23 mins · Tue, 22 Mar 2016

S04 Episode

Tree Lobsters; Convict Fish

Peso stumbles upon a band of lobster-like insects on a mysterious island; a convict fish mother refuses to leave when an enormous archway collapses around the reef.

23 mins · Mon, 14 Dec 2015

S04 Episode

Baby Sea Turtles; Octopod Mystery

The Octonauts steer a group of newborn baby sea turtles clear of a giant wave and hungry predators; Tweak and the crew hunt for a missing part when the Octopod breaks down.

23 mins · Mon, 28 Sep 2015

S04 Episode

Poison Dart Frogs; Hidden Lake

Kwazii comes to the aid of a family vibrantly coloured, poison dart frogs. Then an icy adventure ends at a secret lake in Antarctica.

23 mins · Tue, 8 Dec 2015

S04 Episode

Walrus Pups; Mantis Shrimp

Two mantis shrimps battle fight aboard the Octopod and the Octonauts desperately try to stop the Octopod from crashing.

23 mins · Wed, 30 Sep 2015

S04 Episode 1

Octonauts and the Poison Dart Frogs

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. The Octonauts find out about poison dart frogs.

11 mins · Wed, 23 Sep 2015

S04 Episode 2

Octonauts and the Hidden Lake

The Octonauts discover a hidden lake while exploring the wonders of the ocean, which is home to numerous microscopic creatures.

11 mins · Thu, 24 Sep 2015

S04 Episode 3

Octonauts and the Octopod Mystery

The Octonauts have an Octopod mystery to solve after the Octopod breaks down. To get up and running again, Tweak and the gang search for a missing part aboard an abandoned prototype of the ship.

11 mins · Fri, 25 Sep 2015

S04 Episode 4

Octonauts and the Baby Sea Turtles

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

11 mins · Mon, 28 Sep 2015

S04 Episode 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.

11 mins · Tue, 29 Sep 2015

S04 Episode 6

Octonauts and the Mantis Shrimp

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

11 mins · Wed, 30 Sep 2015

S04 Episode 7

Octonauts and the Loneliest Whale

The octonauts follow a strange song to a lonely humpback whale, who is alone because he doesn't sound like the other whales.

11 mins · Thu, 1 Oct 2015

S04 Episode 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.

11 mins · Fri, 2 Oct 2015

S04 Episode 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.

11 mins · Mon, 14 Dec 2015

S04 Episode 10

Octonauts and the Emperor Penguins

A penguin mother is trapped while trying to find her family, so the Octonauts help to reunite the mother with her kids along a dangerous expanse of ice.

11 mins · Wed, 16 Dec 2015

S04 Episode 11

The Baby Gator

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

11 mins · Mon, 14 Mar 2016

S04 Episode 12

The Octonauts and the Bomber Worms

The Octonauts are travelling to the Midnight Zone when they get attacked by bomber worms and are asked to help one of their injured.

11 mins · Mon, 14 Mar 2016

S04 Episode 13

The Crawfish

When a population of crawfish are attacked by itchy fungi, the Octonauts desperately search for a cure.

11 mins · Tue, 22 Mar 2016

S04 Episode 14

The Surfing Snail

When a group of surfing snails are accidentally swept out to sea, it's up to Dela and the Octonauts to save them before its too late.

11 mins · Tue, 22 Mar 2016

S04 Episode 15

Octonauts and the Flamingos

The Octonauts must wade through a dangerous swamp to find a lost flamingo chick before hungry predators find him first.

11 mins · Mon, 4 Apr 2016

S04 Episode 16

Octonauts and Operation Cooperation

After Shellington crashes the Gup-D, he teams up with Kwazii, a moray eel, and grouper fish to pick up the pieces.

11 mins · Mon, 4 Apr 2016

S04 Episode 17

Kelp Forest Mystery

In order to solve a mysterious disappearance in a kelp forest, Dashi teams up with Koshi, her little sister, to solve the case.

11 mins · Sat, 4 Jun 2016

S04 Episode 18

Octonauts and the Yellow-Bellied Sea Snakes

Peso and the dedicated Octonauts help a huge group of stranded poisonous sea snakes get back into the ocean for good.

11 mins · Sun, 5 Jun 2016

S04 Episode 19

Octonauts and the Coconut Crisis

The coconut crabs receive help from Kwazii and the Octonauts as they search for the culprit behind their stolen coconuts.

11 mins · Mon, 6 Jun 2016

S04 Episode 20

Octonauts and the Coelacanth

The Octonauts find the fossil of a prehistoric fish while exploring a dark and creepy cave, but it's more than just a regular fossil.

11 mins · Tue, 7 Jun 2016

S04 Episode 21

Octonauts and the Tiger Shark

Tweak does her very best to help her friend Sandy the sea turtle evade the hungry jaws of a tiger shark.

11 mins · Wed, 8 Jun 2016

S04 Episode 22

Octonauts And The Hippos

The Octonauts have trouble getting past a huge gang of hippos on their way back from a mission on the African river.

11 mins · Thu, 9 Jun 2016

S04 Episode 23

Octonauts And The Spinner Dolphins

The Octonauts are trying to save a pod of spinner dolphins who keep swimming in their sleep, but it is a hard task.

11 mins · Mon, 13 Jun 2016

S04 Episode 24

Octonauts and the Sunfish

The Octonauts provide assistance to a large sunfish who is unable to swim straight so that it won't hurt itself, or anyone else in its path.

11 mins · Tue, 14 Jun 2016

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More Seasons of Octonauts

Specials

Season 1

Season 2

Season 3

Season 4

Season 5

Season 6

Season 7

Season 8

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