The Octonauts Poster

(2010– )

Episode List


Season 4

23 Sep. 2015
The Octonauts and the Poison Dart Frogs
A dangerous tidal wave washes all the fish up in the trees, which is also a big problem for the poison dart frogs who don't have enough puddles up in the trees for the tadpoles. Luckily, Tweak's new Gup-H is ready to help.
24 Sep. 2015
Octonauts and the Hidden Lake
The Octonauts are exploring Antarctica, when Shellington discovers strange microscopic creatures living under the ice.
28 Sep. 2015
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.
7 Dec. 2015
Octonauts and the Walrus Pups
Barnacles' nephews Ursa and Orso are going to get their Polar Scout Badges, when they spot three walrus pups on a drifting floe which is on a crash-course with 2 icebergs. The pups are lost and too hungry to swim. Will Captain Barnacles be able to save them and finally earn the Walrus Rescue Badge - the only one he hasn't got?
30 Sep. 2015
Octonauts and the Mantis Shrimp
The Octonauts must get two mantis shrimp to stop fighting before their powerful claw strikes destroy the Octopod.
1 Oct. 2015
Octonauts and the Loneliest Whale
The Octonauts find a humpback whale who's all alone because his voice is different from the other humpbacks'. They have to help him because if nobody understands him, he won't find the way to the feeding ground.
9 Dec. 2015
Octonauts and the Tree Lobsters
Peso gets washed up by a storm on a mysterious rocky island and discovers a group of insects thought to be extinct called tree lobsters.
9 Dec. 2015
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.
3 Apr. 2017
Octonauts and the Emperor Penguins
The Octonauts journey across a dangerous expanse of ice to help a penguin mother get back to her family.
14 Mar. 2016
Octonauts and the Baby Gator
Kwazii adopts a baby alligator, but when it escapes the Octopod, he must rescue the tiny creature from ocean currents and hungry predators.
14 Mar. 2016
Octonauts and the Bomber Worms
While diving down to the Midnight Zone, the Octonauts are attacked by bomber worms, and are enlisted to rescue an injured member of their troop.
22 Mar. 2016
Octonauts and the Crawfish
When a population of crawfish is stricken by a mysterious illness, the Octonauts race to find a cure.
5 Nov. 2016
Octonauts and the Kelp Monster Mystery
Dashi teams up with her little sister, Koshi, to solve a mysterious disappearance in a kelp forest.
5 Nov. 2016
Octonauts and the Hippopotamus
Returning home from a mission along an African river, the Octonauts have trouble getting past a gang of large, territorial hippos.
4 Apr. 2016
Octonauts and the Flamingos
The Octonauts wade through a swamp to find a lost flamingo chick before hungry predators do.
4 Apr. 2016
Octonauts and Operation Cooperation
After Shellington crashes the Gup-D, he and Kwazii team up with a moray eel and grouper fish to pick up the pieces.
19 Nov. 2016
The Octonauts and the Tiger Shark
Tweak must help her friend Sandy the sea turtle escape a hungry tiger shark.
19 Nov. 2016
The Octonauts and the Coelacanth
While exploring a dark and spooky cave, the Octonauts discover the fossil of a powerful, prehistoric fish - but it may be more than just a fossil.
12 Nov. 2016
Octonauts and the Yellow-Bellied Sea Snakes
When a mass of poisonous sea snakes get stranded on a beach, Peso and the Octonauts must somehow get them all back into the ocean.
19 Nov. 2016
Octonauts and the Spinner Dolphins
The Octonauts struggle to save a pod of spinner dolphins who seem to be swimming in their sleep.
14 Jun. 2016
Octonauts and the Sunfish
Coconut Crisis: Kwazii and the Octonauts help their friends the coconut crabs discover who is stealing their coconuts. Sunfish: The Octonauts must help a giant sunfish who can't swim straight, before it hurts other sea creatures and itself.
28 Mar. 2016
Octonauts and the Great Swamp Search
The Great Swamp Search: The Octonauts journey to the Everglades to help Tweak's dad, Ranger Marsh, track down several invasive species - including a Burmese Python and her babies.
27 Mar. 2017
Octonauts and the Operation Deep Freeze
Captain Barnacles, Kwazii, and Peso are visiting The Polar Scout Emergency Post run by Tracker - a young polar bear trained by Captain Barnacles. Suddenly they recieve a signal for help from a deserted research station on the opposite side of the world. Whoever could have sent the signal, the Octonauts have to answer it.

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