1x01 The Whale Shark
October 4, 2010 12:00 am
When Dashi is accidentally swallowed by a whale shark, the Octonauts venture inside the huge fish to rescue her.
1x02 The Undersea Storm
October 5, 2010 12:00 am
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.
1x03 The Crab and Urchin
October 6, 2010 12:00 am
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.
1x04 The Walrus Chief
October 7, 2010 12:00 am
When Peso's precious medical kit is taken, Barnacles and Kwazii sneak into a dangerous walrus colony to get it back, disguised as a walrus.
1x05 The Flying Fish
October 8, 2010 12:00 am
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.
1x06 The Giant Squid
October 11, 2010 12:00 am
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.
The Octonauts set out to find and photograph Inkling's long lost cousin, the elusive Giant Squid.
1x07 The Orcas
October 12, 2010 12:00 am
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.
1x08 The Great Algae Escape
October 13, 2010 12:00 am
Captain Barnacles and his crew must catch a runaway Octopod, when it is hijacked by a group of crustaceans trying to escape their algae-infested waters.
1x09 The Remipedes
October 14, 2010 12:00 am
When Shellington gets lost in a dark sea cave, he gets unexpected assistance from some blind Remipedes.
1x10 The Speedy Sailfish
October 15, 2010 12:00 am
When all the Gups go out of control, Barnacles and Kwazii leap onto the backs of some speedy Sailfish to round them up.
1x11 The Blobfish Brothers
October 18, 2010 12:00 am
The Octonauts must evacuate sea creatures before an underwater volcano erupts, but there's one creature that won't budge: a slow moving, gelatinous Blobfish.
1x12 The Monster Map
October 19, 2010 12:00 am
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.
1x13 The Lost Sea Star
October 20, 2010 12:00 am
When the Octonauts find an unusual Sea Star on the beach, they search the ocean from top to bottom (literally) to help find its home.
1x14 The Albino Humpback Whale
October 21, 2010 12:00 am
The Octonauts help out an Albino Humpback Whale with a nasty sunburn.
1x15 The Giant Kelp Forest
October 22, 2010 12:00 am
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.
1x16 The Enemy Anemones
October 25, 2010 12:00 am
The Octonauts and some helpless crabs are caught between two territorial groups of aggregating anemones - and their numbers are growing!
1x17 The Narwhal
October 26, 2010 12:00 am
While exploring the Arctic, the Octopod gets trapped in the ice. Only Barnacles's skillful navigation, and the help of a friendly Narwhal, can get them free.
1x18 The Midnight Zone
October 27, 2010 12:00 am
While exploring the deepest part of the ocean, the Midnight Zone, the Octonauts discover a strange rock that happens to be home to a new species of worm.
1x19 The Snapping Shrimp
October 28, 2010 12:00 am
The Octonauts encounter a snapping shrimp – a small creature that uses its claws to make a big, and stunning, noise.
1x20 The Snot Sea Cucumber
October 29, 2010 12:00 am
When a slimy, slippery snot sea cucumber gets loose on the Octopod, Captain Barnacles Bear decides the only way to save it is to flood the ship!
1x21 The Giant Whirlpool
November 1, 2010 12:00 am
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.
1x22 The Hermit Crabs
November 2, 2010 12:00 am
When Captain Barnacles Bear and most of the crew are unable to return to base, it's up to Peso and Tweak to remove a stuck hermit crab from its shell.
1x23 The Mixed-Up Whales
November 3, 2010 12:00 am
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.
1x24 The Kelp Forest Rescue
November 4, 2010 12:00 am
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.
1x25 The Decorator Crab
November 5, 2010 12:00 am
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.
1x26 The Beluga Whales
December 6, 2010 12:00 am
The Octonauts lead a pod of Beluga Whales stuck under the pack ice to safety by getting them to follow Peso while he's playing the same tune as the Beluga's song on his xylophone.
1x27 The Hungry Pilot Fish
December 7, 2010 12:00 am
The Octonauts are chased by a whitetip shark only to discover all it really needed was a pilot fish to clean its teeth, and it just so happens that they have just met a lonely pilot fish that is hungry for action.
1x28 The Vampire Squid
December 8, 2010 12:00 am
Peso must gather all his courage when he travels deep down to the very bottom of the ocean, the Midnight Zone, and encounters the mysterious Vampire Squid.
1x29 The Seahorse Tale
December 9, 2010 12:00 am
After a storm, the Octonauts have to reunite a seahorse with its missing mate - who is about to give birth to baby seahorses!
1x30 The Giant Jelly
December 10, 2010 12:00 am
The Octonauts must rescue Peso when he gets trapped inside a giant Comb Jelly!
1x31 The Cookiecutter Sharks
December 13, 2010 12:00 am
What keeps making strange holes in the Octonauts' equipment? Turns out it's a trio of pesky Cookiecutter Sharks, the mosquitos of the sea!
1x32 The Oarfish
December 14, 2010 12:00 am
Dashi snaps a picture of what appears to be a sea serpent, but the truth is stranger than fiction when it turns out to be an awesomely long Oarfish.
1x33 The Combtooth Blenny
December 15, 2010 12:00 am
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.
1x34 The Jellyfish Bloom
December 16, 2010 12:00 am
When Shellington gets trapped in the middle of a massive Jellyfish bloom, it's up to the Octonauts to rescue him.
1x35 The Baby Dolphin
December 17, 2010 12:00 am
When a young dolphin follows Kwazii home, he has to babysit while the other Octonauts search for its mother.
1x36 The Scary Spookfish
January 24, 2011 12:00 am
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.
1x37 The Arctic Orcas
January 25, 2011 12:00 am
When Captain Barnacles and Peso get lost in the icy Arctic sea, a pod of Orcas help the Octonauts find them.
1x38 The Slime Eels
January 26, 2011 12:00 am
Kwazii covets the treasure in a sunken pirate ship, but its protected by slime squirting Slime Eels.
1x39 The Enormous Elephant Seal
January 27, 2011 12:00 am
When Peso and the Octonauts aid an enormous Elephant Seal, he overstays his welcome in the Octopod.
1x40 The Sardine School
January 28, 2011 12:00 am
The Octonauts must work together as a team to help a lost sardine find her school.
1x41 The Dolphin Reef Rescue
January 31, 2011 12:00 am
When the Octonauts all pitch in to help save a sick coral reef, they get some unexpected help from a pod of playful dolphins.
1x42 The Eel Ordeal
February 1, 2011 12:00 am
The Octonauts travel up a treacherous river to help a young migrating eel on her difficult journey.
1x43 The Marine Iguanas
February 2, 2011 12:00 am
As the Octonauts prepare for their annual seaweed feast near the Galapagos Islands, a trio of salt sneezing Marine Iguanas steal their seaweed!
1x44 The Dwarf Lanternshark
February 3, 2011 12:00 am
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!
1x45 The Pirate Parrotfish
February 4, 2011 12:00 am
When the Octonauts go on a pirate treasure hunt, Kwazii meets a Parrotfish.
1x46 The Electric Torpedo Rays
February 7, 2011 12:00 am
When the Octopod loses all power, the Octonauts give it a jumpstart with the aid of some Electric Torpedo Rays!
1x47 The Crafty Cuttlefish
February 8, 2011 12:00 am
Captain Barnacles' compass has been taken by a crafty, shape shifting Cuttlefish
1x48 The Lost Lemon Shark
February 9, 2011 12:00 am
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.
1x49 The Humuhumunukunukuapua'a
February 10, 2011 12:00 am
When the Octopod's waterworks are flooded with frightened Humuhumu fish, the Octonauts have to find a way to flush them out.
1x50 The Giant Spider Crab
February 11, 2011 12:00 am
The octonauts help a 100 year old spider crab which has got its leg trapped in a giant clam whilst en route to its own 100th birthday party. It turns out that Kwazii's afraid of spiders, but he still helps, even though he thought it was a real spider at first.
1x51 The Great Penguin Race
December 13, 2010 12:00 am
The Octonauts cheer Peso on as he goes home to compete against an awesomely athletic penguin in an annual tournament: the Iron Clam Competition.
1x52 The Great Christmas Rescue
December 24, 2011 12:00 am
The Octonauts travel to Professor Inkling's childhood home for Christmas, an undersea mountain. But they discover that a rockslide has endangered the local creatures - including a rare species of golden coral, and Inkling's little octopus nephew, Squirt! With the help of Tweak's latest invention, the Gup X, the Octonauts must rescue the creatures and save Christmas.
