Where to stream Octonauts Season 3

Season 3

Watch Octonauts Season 3 in Australia

Released: 21st Mar, 2014

7.6 / 10

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Where to watch Octonauts Season 3

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Season 3 Episodes

S03 Episode

Urchin Invasion; Lion's Mane Jellyfish

The Octonauts visit Shellington's sister, only to find the kelp forest overrun with urchins; a jellyfish's tentacles threaten the Octopod.

23 mins · Fri, 21 Mar 2014

S03 Episode

Sea Sponge; Loggerhead Sea Turtle

Peso tries to figure out the cause of a sea sponge's mysterious illness; a loggerhead turtle helps the crew get back to the Gup-X.

23 mins · Tue, 22 Sep 2015

S03 Episode

The Mariana Trench Adventure

Mysterious creatures searching for a hydrothermal vent to live around, attack the Octonauts as they assemble Tweak's Deep Sea Octolab.

23 mins · Mon, 27 May 2013

S03 Episode

Great White Shark/Sea Snakes

Peso performs an emergency fin bandage on a great white. A sea krait lays eggs in the garden pod.

21 mins · Fri, 23 Nov 2012

S03 Episode

Great Arctic Adventure

Peso goes with Barnacles to help his sister and her new polar cubs learn to navigate the harsh conditions of the frozen Arctic.

23 mins · Tue, 22 Apr 2014

S03 Episode

Humpback Whales; Duck-Billed Platypus

A humpback whale helps Kwazi locate the key to a treasure chest; stinging platypuses attack the Octonauts when they uncover a strange egg.

23 mins · Tue, 11 Mar 2014

S03 Episode

Mudskippers; Immortal Jellyfish

The Octonauts try to keep the peace when a trio of mudskippers' home is flooded; the Octonauts search for a jellyfish that can change from old to young constantly.

23 mins · Thu, 20 Mar 2014

S03 Episode

Sea Skaters; Siphonophore

Kwazii finds himself lost at sea and comes across a flotilla of tiny sea skaters; Kwazii and Dashi encounter an especially odd deep-sea creature.

23 mins · Wed, 12 Mar 2014

S03 Episode

Pelicans; Hammerhead Sharks

A floating rubbish patch puts a flock of pelicans and other sea creatures in danger; the Octonauts observe mischievous baby hammerhead sharks on their first hunt.

23 mins · Thu, 1 May 2014

S03 Episode

Red Rock Crabs; Sea Pigs

Shellington and the others try to round up some wayward crabs; the Octonauts try to stop a herd of sea pigs about to march into the Mariana Trench.

23 mins · Tue, 18 Mar 2014

S03 Episode

Harbor Seal; Yeti Crab

A harbour seal detective investigates when Peso's patient disappears; the Octonauts encounter a ferocious yeti crab in the Midnight Zone.

23 mins · Fri, 14 Mar 2014

S03 Episode

Water Bears; Barracudas

The team come to the aid of a water bear and face the heat of a lava tube in the process; terrifying barracudas disrupt a mission to restore a mangrove forest.

23 mins · Mon, 10 Mar 2014

S03 Episode

Cone Snails; Artificial Reef

A harpoon-shooting snail threatens the Octopod and it's up to Peso to save everyone; Tweak and her team transform the Gup-F into a sanctuary when a storm wreaks havoc on the reef.

23 mins · Mon, 9 Sep 2013

S03 Episode 1

Siphonophore

Kwazii and Dashi become entangled in a strange deep-sea creature - a siphonophore. When a geyser blasts it toward the surface, the Octonauts must stop its ascent before it bursts.

11 mins · Wed, 4 Sep 2013

S03 Episode 2

Water Bears

The Octonauts venture into a dangerous, red-hot lava tube to rescue a teeny, tiny water bear who doesn't seem to mind the heat at all.

11 mins · Thu, 5 Sep 2013

S03 Episode 3

Cone Snails

Only Peso can save the day when a cone snail invades the Octopod and picks off the crew one by one with its dangerous harpoons.

11 mins · Fri, 6 Sep 2013

S03 Episode 4

Artificial Reef

When an underwater storm destroys a small reef, which a frogfish and other creatures depend on, Tweak and her crewmates must convert the Gup-F into an artificial reef before another storm strikes.

11 mins · Mon, 9 Sep 2013

S03 Episode 5

Humpback Whales

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

11 mins · Tue, 10 Sep 2013

S03 Episode 6

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.

11 mins · Wed, 11 Sep 2013

S03 Episode 7

Sea Pigs

The Octonauts must stop a huge herd of sea pigs before they march blindly into the Mariana Trench - the deepest point on Earth.

11 mins · Thu, 12 Sep 2013

S03 Episode 8

Yeti Crab

Tweak tests the Gup-X deep down in the Midnight Zone, while a yeti crab damages the ship and endangers itself and the Octonauts.

11 mins · Fri, 13 Sep 2013

S03 Episode 9

Barracudas

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

11 mins · Mon, 10 Mar 2014

S03 Episode 10

Duck-Billed Platypus

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

11 mins · Tue, 11 Mar 2014

S03 Episode 11

Sea Skaters

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

11 mins · Wed, 12 Mar 2014

S03 Episode 12

Mudskippers

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

11 mins · Thu, 13 Mar 2014

S03 Episode 13

Harbour Seal

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

11 mins · Fri, 14 Mar 2014

S03 Episode 14

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.

11 mins · Mon, 17 Mar 2014

S03 Episode 15

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.

11 mins · Tue, 18 Mar 2014

S03 Episode 16

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.

11 mins · Wed, 19 Mar 2014

S03 Episode 17

Immortal Jellyfish

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

11 mins · Thu, 20 Mar 2014

S03 Episode 18

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.

11 mins · Fri, 21 Mar 2014

S03 Episode 19

Hammerhead Sharks

A group of baby hammerhead sharks hunt on their own for the first time and get into trouble.

11 mins · Thu, 1 May 2014

S03 Episode 20

Loggerhead Sea Turtle

An underwater tremor separates the Gup-X and its crew, and Barnacles looks for guidance from a mysterious sea turtle.

11 mins · Tue, 22 Sep 2015

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More Seasons of Octonauts

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Season 1

Season 2

Season 3

Season 4

Season 5

Season 6

Season 7

Season 8

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After the Flood

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