Animated deep sea adventure series. Captain Barnacles and his intrepid band of explorers roam the oceans in search of adventure and fun
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When Dashi is swallowed by a whale shark, the Octonauts venture inside it to rescue her.
The Octonauts travel to Professor Inkling's childhood home for Christmas.
Kwazii's Gup-B breaks down in a storm, but a chain of reef lobsters lends a hand.
A carrier crab and the urchin who lives on its shell just can't seem to get along.
Barnacles and Kwazii sneak into a dangerous walrus colony to get Peso's medical kit back.
A school of flying fish accidentally make off with Professor Inkling's rare book.
The Octonauts set out to find and photograph Inkling's long-lost cousin.
An enormous orca whale is stranded on a beach.
The crew must catch a runaway Octopod after it is hijacked by a group of crustaceans.
When Shellington gets lost in a sea cave, he gets assistance from some blind remipedes.
Barnacles and Kwazii use some speedy sailfish to round up all the Gups.
The Octonauts must evacuate a slow-moving, gelatinous blobfish before a volcano erupts.
The Octonauts meet a playful octopus with all kinds of surprising abilities.
The Octonauts share a few fun facts about the walrus chief.
The Octonaughts search the ocean from top to bottom to help find a sea star's home.
The Octonauts help out an albino humpback whale with a nasty sunburn.
Kwazii's favourite sub, the Gup-B, goes missing.
The Octonauts are caught between two groups of anemones.
When their ship gets trapped in ice, a friendly narwhal helps the Octonauts to get free.
The Octonauts explore the deepest part of the ocean, the Midnight Zone.
The Octonauts encounter a small creature that uses its claws to make a big noise.
A slim creature gets loose onboard the Octopod, so Captain Barnacles tries to save it.
The Octonauts race against time to rescue Tweak's pal, a leatherback sea turtle.
Peso and Tweak help to remove a stuck hermit crab from its shell.
The Octonauts clean and repair their ship, the Octopod.
Peso's little brother Pinto accompanies him on a mission to rescue Dashi and Shellington.
The Octonauts stake out a thief, who turns out to be a decorator crab.
The Octonauts lead a pod of stranded beluga whales to safety.
A lost pilot fish cleans up the Octonauts' dirty gups - but he is still hungry!
Peso travels deep down to the very bottom of the ocean and encounters the vampire squid.
After a storm, the Octonauts have to reunite a seahorse with its missing mate.
The Octonauts must rescue Peso when he gets trapped inside a giant comb jelly.
A trio of pesky cookiecutter sharks make holes in the Octonauts' equipment.
Dashi snaps a picture of what appears to be a sea serpent.
Kwazii and Peso are shipwrecked on a desert island.
When Shellington gets trapped, it's up to the Octonauts to rescue him.
A young dolphin follows Kwazii home.
The Octonauts try to pull Peso out of an oceanic trench.
Captain Barnacles and Peso get lost in the icy Arctic sea.
Kwazii wants the treasure in a sunken ship, but it is protected by slime-squirting eels.
An enormous elephant seal overstays his welcome in the Octopod.
The Octonauts must work together as a team to help a lost sardine find her school.
The Octonauts get some unexpected help from a pod of playful dolphins.
The Octonauts help a young migrating eel on her difficult journey.
A trio of salt-sneezing marine iguanas steal the Octonauts' seaweed!
The Octonauts must help a tiny, injured dwarf lanternshark, but have to find him first.
The Octonauts share a few fun facts about the parrotfish.
When the Octonauts go on a pirate treasure hunt, Kwazii meets a parrotfish.
The Octonauts give the Octopod a jump-start with electric torpedo rays.
Captain Barnacles's compass has been taken by a crafty, shape-shifting cuttlefish.
The Octonauts look after a lemon shark who has hurt his nose and can't find his way home.
The Octopod's waterworks become flooded with frightened humuhumu fish.
A very old spider crab needs the Octonauts' help.
Peso competes in an annual tournament - the Iron Clam Competition.