The Best Episodes of Octonauts

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10.0/10(2 votes)
#1 - Bluefin Tuna
S5:E23/27/2023
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?
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10.0/10(1 votes)
#2 - Blue Whale Rescue
S5:E312/28/2020
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!
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8.9/10(15 votes)
#3 - The Water Bears
S3:E29/5/2013
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.
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8.8/10(19 votes)
#4 - The Baby Dolphin
S1:E4512/17/2010
When a young dolphin follows Kwazii home, he has to babysit while the other Octonauts search for its mother.
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8.7/10(15 votes)
#5 - The Saltwater Crocodile
S2:E205/17/2013
When a gigantic saltwater crocodile wanders into freezing waters, the Octonauts must figure out how to get the predator back to his warm water home - without anyone getting hurt.
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8.6/10(11 votes)
#6 - Octonauts and the Octopod Mystery
S4:E39/25/2015
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.
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8.5/10(24 votes)
#7 - The Orcas
S1:E1110/12/2010
When a huge Orca whale becomes stranded on a beach, Captain Barnacles Bear and the Octonauts devise a plan to pull him back into the water, with some help from a group of tunnelling Fiddler Crabs.
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8.5/10(11 votes)
#8 - The Siphonophore
S3:E19/4/2013
Kwazii and Dashi become entangled in a strange deep-sea creature - a siphonophore.
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8.4/10(22 votes)
#9 - The Remipedes
S1:E1010/14/2010
When Shellington gets lost in a dark sea cave, he gets unexpected assistance from some blind Remipedes.
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8.4/10(20 votes)
#10 - The Giant Jelly
S1:E3012/10/2010
The Octonauts must rescue Peso when he gets trapped inside a giant ctenophore.
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8.4/10(25 votes)
#11 - The Seahorse Tale
S1:E4112/9/2010
After a storm, the Octonauts help a female seahorse search for her missing mate. She tells them, to Kwazii's surprise, that the missing male seahorse is about to give birth to baby seahorses!
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8.4/10(10 votes)
#12 - The Urchin Invasion
S3:E183/21/2014
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!
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8.4/10(10 votes)
#13 - Octonauts and the Emperor Penguins
S4:E1012/16/2015
The Octonauts journey across a dangerous expanse of ice to help a penguin mother get back to her family.
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8.3/10(38 votes)
#14 - The Undersea Storm
S1:E110/5/2010
As a huge storm heads towards the headquarters, the Octonaut crew hurriedly goes into preparation. However, Kwaji, who went out to test drive the expedition ship, is unable to return to Octopold because he is rescuing the animals.
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8.3/10(21 votes)
#15 - The Crab and the Urchin
S1:E810/6/2010
The crew pursues crustaceans who’ve hijacked the Octopod.
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8.3/10(22 votes)
#16 - The Albino Humpback Whale
S1:E910/21/2010
The Octonauts help out an Albino Humpback Whale with a nasty sunburn.
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8.3/10(20 votes)
#17 - The Arctic Orcas
S1:E281/25/2011
When Captain Barnacles and Peso get lost in the icy Arctic sea, a pod of Orcas help the Octonauts find them.
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8.3/10(19 votes)
#18 - The Sardine School
S1:E341/28/2011
The Octonauts must work together as a team to help a lost sardine find her school.
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8.3/10(17 votes)
#19 - The Mixed-Up Whales
S1:E4011/3/2010
When the Octonauts clean and repair their ship, the Octopod, the resulting noise causes a nearby blue whale to act in strange and dangerous ways.
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8.3/10(18 votes)
#20 - The Lost Lemon Shark
S1:E442/9/2011
The Octonauts have their hands full as they look after a headstrong young Lemon Shark who's hurt his nose and can't find his way home.
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8.3/10(23 votes)
#21 - The Marine Iguanas
S1:E492/2/2011
The team are preparing for a feast of red seaweed on the Galapagos Islands but a trio of salt-sneezing marine iguanas raid the Octopod and eat it all!
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8.3/10(14 votes)
#22 - The Mimic Octopus
S2:E165/13/2013
The Octonauts recruit a shape-shifting mimic octopus to help them recover an important vial of medicinal algae from a moray eel's lair.
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8.3/10(11 votes)
#23 - The Immortal Jellyfish
S3:E173/20/2014
Shellington and the Octonauts try to track an unusual creature: a jellyfish that can transform from old to young repeatedly - and live forever!
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8.2/10(34 votes)
#24 - The Giant Squid
S1:E210/11/2010
The Octonauts roam the oceans in search of adventure and fun. 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 and always prove that eight heads are better than one! The Octonauts set out to find and photograph Inkling's long lost cousin, the elusive Giant Squid.
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8.2/10(25 votes)
#25 - The Speedy Sailfish
S1:E1710/15/2010
When all the Gups go out of control, Barnacles and Kwazii leap onto the backs of some speedy Sailfish to round them up.
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