Episode list

The Octonauts

The Whale Shark

Sun, Oct 03, 2010
When Dashi is accidentally swallowed by a whale shark, the Octonauts venture inside the huge fish to rescue her.
7.7 /10
The Undersea Storm
When Kwazii's Gup-B breaks down in a storm, not even brave Captain Barnacles can save him alone. Fortunately, a chain of reef lobsters lends a hand - and some claws.
7.5 /10
The Crab and Urchin
Barnacles and Kwazii investigate a disruption on a nearby reef - a Carrier Crab and the Urchin who lives on its shell just can't seem to get along.
6.9 /10
The Walrus Chief
When a walrus runs off with Peso's medical bag, the Octonauts venture into the walrus colony to get it back.
5.4 /10
The Flying Fish

Thu, Oct 07, 2010
When a school of flying fish accidentally make off with a rare book belonging to Professor Inkling, the Octonauts rig up the Gup-B to fly after them and get it back.
7.4 /10
The Giant Squid

Sun, Oct 10, 2010
The Octonauts set out to find and photograph Inkling's long lost cousin, the elusive Giant Squid.
6.3 /10
The Orcas

Mon, Oct 11, 2010
When a huge Orca whale becomes stranded on a beach, Captain Barnacles and the Octonauts devise a plan to pull him back into to the water, with some help from a group of tunneling Fiddler Crabs.
7.2 /10
Octonauts and the Monster Map
The Octonauts follow an old map to what Kwazii believes is treasure guarded by a sea monster, but instead they meet a playful Octopus with all kinds of surprising abilities.
7.3 /10
Octonauts and the Giant Kelp Forest
When Kwazii's favorite sub, the Gup-B goes missing, the Octonauts journey into a mysterious kelp forest to find it, meeting strange and interesting creatures along the way.
7.4 /10
The Narwhal

Mon, Oct 25, 2010
While exploring the Arctic, the Octonauts ship, the Octopod, gets trapped in the ice. Only Barnacles skillful navigation - and the help of a friendly Narwhal - can get them free.
8.1 /10
The Midnight Zone
While exploring the deepest part of the ocean, the Midnight Zone, the Octonauts discover a strange rock that happens to be home to new species of worm.
7.2 /10
The Giant Whirlpool
The Octonauts race against time to rescue Tweak's pal, a Leatherback Sea Turtle who's caught in a fast-moving ocean current that's sucking it into a whirlpool.
7.3 /10
The Hermit Crabs
When Captain Barnacles and most of the crew are unable to return to base, its up to Peso and Tweak to remove a stuck Hermit Crab from its shell.
4.9 /10
The Mixed Up Whales
When the Octonauts clean & repair their ship, the Octopod - the resulting noise causes a nearby Blue Whale to act in strange & dangerous ways.
6.5 /10
The Kelp Forest Rescue
When Peso's little brother Pinto comes to visit, he's more interested in being a pirate than a medic - at least until he accompanies Peso on a mission to rescue Dashi and Shellington in a kelp forest.
7.2 /10
The Decorator Crab
When important objects go missing from their ship, the Octonauts stake out the thief - who turns out to be a decorator crab, stealing their things to decorate his shell.
7.1 /10
The Beluga Whales
When the Octonauts discover a pod of Beluga Whales stranded at a breathing hole, they use music to lead them to safety.
7.2 /10
The Hungry Pilot Fish
The Hungry Pilot Fish: A lost Pilot Fish who eats ocean gunk cleans up the Octonauts' dirty Gups - but he's still hungry! Meanwhile, Captain Barnacles must figure out why a Whitetip Shark is chasing the Gup-A! The Beluga Whales: When the Octonauts discover a pod of Beluga Whales stranded at a breathing hole, they use music to lead them to safety.
7.4 /10
The Vampire Squid
On a solo training dive to the Midnight Zone, Peso encounters a hurt vampire squid. Scared by the sudden arrival of Kwazii and Captain Barnacles it sprays them with sticky bioluminescent mucus and flees, but in the end Peso is able to help it.
7.7 /10
The Seahorse Tale
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.
7.4 /10
The Cookiecutter Sharks
Some mysterious holes that keep appearing in the Octonauts' equipment turn out to be the work of cookiecutter sharks whose bioluminescence initially made them invisible against the light coming down from the sea surface.
7.3 /10
The Oarfish

Mon, Dec 13, 2010
Dashi catches a glimpse of an elusive creature that appears to be a giant sea serpent and manages to photograph its tail. The truth is stranger than fiction when it appears to be an awesomely, long oarfish.
7.1 /10
The Combtooth Blenny
When Kwazii and Peso are shipwrecked on a desert island, they encounter a Combtooth Blenny - a fish who walks on land! They enlist him to send an SOS message to the other Octonauts.
7.3 /10
The Jellyfish Bloom
Shellington gets trapped by sea nettle jellyfish whilst watching garden eels. Barnacles, Kwazii and Peso try to save him but Barnacles gets stung by a jellyfish. Luckily, Peso heals it with vinegar and then goes to the rescue with Kwazii.
7.8 /10
The Baby Dolphin
A young dolphin follows Kwazii home while he's babysitting it and the Octonauts must search for its mother.
7 /10
The Scary Spookfish
The Octonauts try to pull Peso out of an oceanic trench and get some help from a strange-looking creature with a see-through head: a Spookfish.
7.5 /10
The Arctic Orcas
When Captain Barnacles and Peso get lost in the icy Arctic sea, a pod of Orcas help the Octonauts find them.
7.4 /10
The Slime Eels

Tue, Jan 25, 2011
Kwazii searches the shipwreck of his pirate grandfather for his gold spyglass. It's guarded by blind hagfish, but their slime unexpectedly helps him when he gets stuck. Kwazii leaves the spyglass because it's now the home of sea creatures.
7.1 /10
The Dolphin Reef Rescue
When the Octonauts all pitch in to help save a sick coral reef, they get some unexpected help from a pod of playful dolphins.
8.1 /10
The Eel Ordeal

Mon, Jan 31, 2011
The Octonauts travel up a treacherous river to help a young migrating eel on her difficult journey.
7.5 /10
The Marine Iguanas
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.
7.3 /10
The Dwarf Lanternshark
Down in the darkness of the ocean deep, Peso and the Octonauts must help a tiny, injured dwarf lanternshark. But they have to find him first.
7.6 /10
The Pirate Parrotfish
Kwazii discovers Calico Jack's Parrot Island treasure map behind an old photo. Whilst looking for the island they meet a parrotfish, who helps them clear away dense algae and hide from vicious moray eels.
8.1 /10
The Electric Torpedo Ray
Some electric torpedo rays give the Octopod a jump-start when its batteries go flat during a trip to see Tweak's pal, Sandy the leatherback sea turtle.
7.4 /10
The Lost Lemon Shark
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.
7.8 /10
The Giant Spider Crab
Humuhumus: When the Octopod's waterworks are flooded with frightened Humuhumu fish, the Octonauts have to find a way to flush them out! Giant Spider Crab: Kwazii is spooked when he spots what looks like a giant underwater spider! But it turns out to be a very old Spider Crab who needs the Octonauts' help!
7.4 /10
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