The Octonauts

Episode 1

The Octonauts and the Siphonophore

Sat, Nov 15, 2014 11 mins

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

Episode 2

The Octonauts and the Water Bears

Fri, Jan 2, 2015 23 mins

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

Episode 3

The Octonauts and the Cone Snail

Mon, May 12, 2014 11 mins

Only Peso can save the day when a cone snail invades the Octopod and tranquilizes the crew one by one with its dangerous venom-filled harpoons.

Episode 4

The Octonauts & the Artificial Reef

Mon, May 12, 2014

Episode 5

The Octonauts and the Humpback Whales

Mon, May 19, 2014 23 mins

Humpback Whale: When a sardine swallows the key to a treasure chest, a humpback whale helps Kwazii track it down. Platypus: While rescuing river creatures after a storm, the Octonauts find a strange egg and come under attack by stinging platypuses.

Episode 6

The Octonauts and the Pelicans

Sun, Jun 29, 2014

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.

Episode 7

The Octonauts & the Sea Pigs

Fri, Feb 13, 2015

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

Episode 8

The Octonauts and the Yeti Crab

Fri, Sep 12, 2014 11 mins

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.

Episode 9

The Octonauts and the Baracudas

Fri, Jan 2, 2015

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

Episode 10

The Octonauts and the Duck-Billed Platypus

Mon, May 19, 2014

While rescuing river creatures after a storm, the octonauts find a strange egg.

Episode 11

The Octonauts and the Sea Skaters

Sat, Nov 15, 2014 11 mins

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

Episode 12

The Octonauts and the Mudskippers

Sat, May 17, 2014

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

Episode 13

The Octonauts and the Harbor Seal

Fri, Sep 12, 2014 11 mins

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

Episode 14

The Octonauts and the Lion's Mane Jellyfish

Fri, May 2, 2014 11 mins

An enormous lion's mane jellyfish gets its amazingly long tentacles tangled in the Octopod's engine whilst Tweak is working on it and causes havoc.

Episode 15

Octonauts & the Red Rock Crabs

Fri, Feb 13, 2015 23 mins

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. 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!

Episode 16

The Octonauts and the Sea Sponge

11 mins

Examining a sick sea sponge, Peso is surprised to discover that all sorts of creatures live inside it, treating it like a hotel, a behaviour known as commensalism.

Episode 17

The Octonauts and the Immortal Jellyfish

Sat, May 17, 2014 23 mins

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

Episode 18

The Octonauts and the Urchin Invasion

Fri, May 2, 2014 23 mins

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! Lionsmane Jelly: A lionsmane jellyfish gets its long and stingy tentacles tangled in the bubble engine, unintentionally flooding the Octopod and causing havoc.

Episode 19

The Octonauts and the Hammerhead Sharks

Sun, Jun 29, 2014 23 mins

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. Hammerhead Sharks: The Octonauts study a group of baby hammerhead sharks, as they hunt on their own for the first time and poke their noses into trouble.

Episode 20

The Octonauts and the Loggerhead Turtle

23 mins

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. Loggerhead Sea Turtle: When an underwater tremor separates the Gup-X and its crew, Barnacles seeks guidance from a mysterious sea turtle.

Episode 21

The Octonauts and the Great Arctic Adventure

Tue, Apr 22, 2014 30 mins

When the Octopod goes in for repairs the Octonauts take a vacation, and Peso accompanies Barnacles to help his sister and her new polar cubs learn to navigate the harsh conditions of the frozen arctic.

Episode 22

The Octonauts & the Mariana Trench Adventure

Tue, Jan 13, 2015 23 mins

Tweak has designed a brand-new Deep Sea Station to study the deepest, darkest reaches of the ocean, but the Octonauts face multiple challenges: from getting it down there, to the extreme environment and strange, prehistoric creatures that greet them once they arrive.