S01E01 The Whale Shark
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.
Octonauts
S01E17: The Narwhal
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.
Overview
Follows an underwater exploring crew made up of stylized anthropomorphic animals, a team of eight adventurers who live in an undersea base, the Octopod, from where they go on undersea adventures with the help of a fleet of aquatic vehicles.
Episodes
S01E02 The Undersea Storm
S01E04 The Walrus Chief
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.
S01E05 The Flying Fish
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.
S01E06 The Giant Squid
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...
S01E07 The Orcas
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...
S01E08 The Great Algae Escape
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.
S01E09 The Remipedes
When Shellington gets lost in a dark sea cave, he gets unexpected assistance from some blind Remipedes.
S01E10 The Speedy Sailfish
When all the Gups go out of control, Barnacles and Kwazii leap onto the backs of some speedy Sailfish to round them up.
S01E11 The Blobfish Brothers
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.
S01E12 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.
S01E13 The Lost Sea Star
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.
S01E14 The Albino Humpback Whale
The Octonauts help out an Albino Humpback Whale with a nasty sunburn.
S01E15 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.
S01E16 The Enemy Anemones
The Octonauts land on an island for a picnic but must first help some crabs trapped between two warring groups of aggregate anemones. Meanwhile back on the Octopod, a horde of out of control puddings...
S01E17 The Narwhal
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.
S01E18 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 a new species of worm.
S01E19 The Snapping Shrimp
The Octonauts encounter a snapping shrimp – a small creature that uses its claws to make a big, and stunning, noise.
S01E20 The Snot Sea Cucumber
After an underwater tremor, an injured sea cucumber named Slippy gets loose on the Octopod, so to let her breathe, they flood the ship!
S01E21 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.
S01E22 The Hermit Crabs
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.
S01E23 The Mixed-Up Whales
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.
S01E24 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...
S01E25 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.
S01E26 The Beluga Whales
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.
S01E27 The Hungry Pilot Fish
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...
S01E28 The Vampire Squid
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.
S01E29 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!
S01E30 The Giant Jelly
The Octonauts must rescue Peso when he gets trapped inside a giant ctenophore.
S01E31 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.
S01E32 The Oarfish
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.
S01E33 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.
S01E34 The Jellyfish Bloom
When Shellington gets trapped in the middle of a massive Jellyfish bloom, it's up to the Octonauts to rescue him.
S01E35 The Baby Dolphin
When a young dolphin follows Kwazii home, he has to babysit while the other Octonauts search for its mother.
S01E36 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.
S01E37 The Arctic Orcas
When Captain Barnacles and Peso get lost in the icy Arctic sea, a pod of Orcas help the Octonauts find them.
S01E38 The Slime Eels
Kwazii covets the treasure in a sunken pirate ship, but its protected by slime squirting Slime Eels.
S01E39 The Enormous Elephant Seal
When Peso and the Octonauts aid an enormous Elephant Seal, he overstays his welcome in the Octopod.
S01E40 The Sardine School
The Octonauts must work together as a team to help a lost sardine find her school.
S01E41 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.
S01E42 The Eel Ordeal
The Octonauts travel up a treacherous river to help a young migrating eel on her difficult journey.
S01E43 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!
S01E44 The Dwarf Lantern Shark
Down in the darkness of the ocean deep, Peso and the Octonauts must help a tiny, injured Dwarf Lantern Shark.
S01E45 The Pirate Parrotfish
When the Octonauts go on a pirate treasure hunt, Kwazii meets a Parrotfish.
S01E46 The Electric Torpedo Rays
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.
S01E47 The Crafty Cuttlefish
Captain Barnacles allows Tunip to use his Octo-compass. But when Tunip loses it, a cuttlefish takes it.
S01E48 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.
S01E49 The Humuhumunukunukuapua'a
When the Octopod's waterworks are flooded with frightened Humuhumu fish, the Octonauts have to find a way to flush them out.
S01E50 The Giant Spider Crab
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...
Cast
Keith Wickham
Simon Greenall
Jo Wyatt
Rob Rackstraw
