The Octonauts

  • 2010
  • |

A band of explorers roams the oceans in this animated adventure series.

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Season 4

Episode Number Episode Name Viewing Progress Airdate
Ep14 Great Swamp Search
Ep13 Surfing Snail
Ep12 Crawfish
Ep11 Bomber Worms
Ep10 Baby Gator
Ep9 Convict Fish
Ep8 The Tree Lobsters
Ep7 Octonauts and the Loneliest Whale
Ep6 Mantis Shrimp
Ep5 Walrus Pups
Ep4 The Octopod Mystery
Ep3 Baby Sea Turtles
Ep2 Hidden Lake
Ep1 Poison Dart Frogs
Flamingos; Operation Cooperation
Crawfish; Surfing Snail
Baby Gator; Bomber Worms
Baby Sea Turtles; Octopod Mystery
Tree Lobsters; Convict Fish
Poison Dart Frogs; Hidden Lake
Walrus Pups; Mantis Shrimp

Season 3

Episode Number Episode Name Viewing Progress Airdate
Ep18 Urchin Invasion
Ep17 Immortal Jellyfish
Ep16 Sea Sponge
Ep15 Red Rock Crabs
Ep14 Lion's Mane Jellyfish
Ep13 Harbour Seal
Ep13 The Over and Under Adventure
Ep12 Mudskippers
Ep12 The Mariana Trench Adventure
Ep12 The Mariana Trench Adventure
Ep11 Sea Skaters
Ep11 The Great Arctic Adventure
Ep11 The Great Arctic Adventure
Ep10 Duck-Billed Platypus
Ep10 Harbor Seal; Yeti Crab
Ep10 Harbor Seal; Yeti Crab
Ep9 Barracudas
Ep9 Sea Sponge; Loggerhead Sea Turtle
Ep9 Sea Sponge; Loggerhead Sea Turtle
Ep8 Yeti Crab
Ep8 Red Rock Crabs; Sea Pigs
Ep8 Red Rock Crabs; Sea Pigs
Ep7 Sea Pigs
Ep7 Pelicans; Hammerhead Sharks
Ep7 Pelicans; Hammerhead Sharks
Ep6 Pelicans
Ep6 #1 Urchin Invasion; Lion's Mane Jellyfish
Ep6 Urchin Invasion; Lion's Mane Jellyfish
Ep5 Humpback Whales
Ep5 Sea Skaters; Siphonophore
Ep5 Sea Skaters; Siphonophore
Ep4 Artificial Reef
Ep4 Mudskippers; Immortal Jellyfish
Ep4 Mudskippers; Immortal Jellyfish
Ep3 Cone Snails
Ep3 Humpback Whales; Duck-Billed Platypus
Ep3 Humpback Whales; Duck-Billed Platypus
Ep2 Water Bears
Ep2 #1 Cone Snails; Artificial Reef
Ep2 Cone Snails; Artificial Reef
Ep1 Siphonophore
Ep1 Water Bears; Barracudas
Ep1 Water Bears; Barracudas
Manatees
Manatees

Season 2

Episode Number Episode Name Viewing Progress Airdate
Ep31 Very Vegimal Christmas
Ep31 Very Vegimal Christmas
Ep22 Gulper Eels
Ep21 Humphead Parrotfish
Ep20 Saltwater Crocodile
Ep19 Manatees
Ep18 Leafy Sea Dragons
Ep17 Lionfish
Ep16 Mimic Octopus
Ep15 Triggerfish
Ep14 Flying Swords
Ep13 Manta Rays
Ep12 Fiddler Crabs
Ep12 Gulper Eels; Lionfish
Ep12 Gulper Eels; Lionfish
Ep11 Long Armed Squid
Ep11 Triggerfish; Saltwater Crocodile
Ep11 Triggerfish; Saltwater Crocodile
Ep10 Sperm Whale
Ep10 Manatees; Mimic Octopus
Ep10 Manatees; Mimic Octopus
Ep9 Damselfish
Ep9 Humphead Parrotfish; Leafy Sea Dragons
Ep9 Humphead Parrotfish; Leafy Sea Dragons
Ep8 Porcupine Puffer
Ep8 The Amazon Adventure
Ep8 The Amazon Adventure
Ep7 Jawfish
Ep7 Bowhead Whales; Damselfish
Ep7 #1 Bowhead Whales; Damselfish
Ep6 Bowhead Whales
Ep6 Scared Sperm Whale; Long-Arm Squid
Ep6 Scared Sperm Whale; Long-Arm Squid
Ep5 Sea Snakes
Ep5 Porcupine Puffer; Manta Rays
Ep5 Porcupine Puffer; Manta Rays
Ep4 Great White Shark
Ep4 #1 The Flying Swords; Fiddler Crabs
Ep4 The Flying Swords; Fiddler Crabs
Ep3 Coconut Crabs
Ep3 Colossal Squid; Jawfish
Ep3 Colossal Squid; Jawfish
Ep2 Adelie Penguin
Ep2 Adelie Penguins; Coconut Crabs
Ep2 Adelie Penguins; Coconut Crabs
Ep1 Colossal Squid
Ep1 Great White Shark; Sea Snakes
Ep1 Great White Shark; Sea Snakes
And The Cookiecutter Sharks; The Octonauts And The Jellyfish Bloom
Great White Shark
Great White Shark

Season 1

Episode Number Episode Name Viewing Progress Airdate
Ep54 The Oarfish; The Combtooth Blenny
Ep53 The Enormous Elephant Seal; The Sardine School
Ep52 The Snapping Shrimp; The Kelp Forest Rescue
Ep51 The Lost Sea Star; The Giant Jelly
Ep50 The Slime Eels; The Arctic Orcas
Ep50 The Giant Spider Crab
Ep49 The Humuhumunukunukuapua'a
Ep48 The Lost Lemon Shark
Ep47 The Crafty Cuttlefish
Ep46 The Electric Torpedo Rays
Ep45 The Pirate Parrotfish
Ep44 The Dwarf Lanternshark
Ep43 The Marine Iguanas
Ep42 The Eel Ordeal
Ep41 The Eel Ordeal; The Dolphin Reef Rescue
Ep41 The Eel Ordeal; The Dolphin Reef Rescue
Ep41 The Dolphin Reef Rescue
Ep40 The Sardine School
Ep39 The Enormous Elephant Seal
Ep38 The Slime Eels
Ep37 The Arctic Orcas
Ep36 The Scary Spookfish
Ep35 The Baby Dolphin
Ep34 The Jellyfish Bloom
Ep33 The Combtooth Blenny
Ep32 The Oarfish
Ep31 The Cookiecutter Shark
Ep30 The Great Penguin Race
Ep30 Octonauts
Ep30 The Great Penguin Race
Ep30 The Giant Jelly
Ep29 The Seahorse Tale
Ep28 The Vampire Squid
Ep27 The Great Christmas Rescue
Ep27 The Great Christmas Rescue
Ep27 The Hungry Pilot Fish
Ep26 The Beluga Whales
Ep25 The Marine Iguanas; The Dwarf Lanternshark
Ep25 The Marine Iguanas; The Dwarf Lanternshark
Ep25 The Decorator Crab
Ep24 The Snot Sea Cucumber; The Giant Whirlpool
Ep24 The Kelp Forest Rescue
Ep23 The Mixed Up Whales
Ep22 The Hermit Crabs
Ep21 The Giant Whirlpool
Ep20 The Snot Sea Cucumber
Ep20 The Snot Sea Cucumber
Ep20 The Snot Sea Cucumber
Ep20 The Midnight Zone; The Mixed Up Whales
Ep20 The Midnight Zone; The Mixed Up Whales
Ep19 The Snapping Shrimp
Ep19 The Pirate Parrotfish; The Electric Torpedo Rays
Ep18 The Midnight Zone
Ep18 The Midnight Zone
Ep18 The Midnight Zone
Ep18 The Eel Ordeal; The Dolphin Reef Rescue
Ep18 The Eel Ordeal; The Dolphin Reef Rescue
Ep18 The Snot Sea Cucumber
Ep17 The Narwhal
Ep17 The Snapping Shrimp
Ep16 The Enemy Anemones
Ep15 The Giant Kelp Forest
Ep14 The Baby Dolphin; The Scary Spookfish
Ep14 The Albino Humpback Whale
Ep13 Crafty Cuttlefish; Lost Lemon Shark
Ep13 The Lost Sea Star
Ep12 The Hungry Pilot Fish; The Beluga Whales
Ep12 The Monster Map
Ep11 The Blobfish Brothers
Ep10 The Giant Kelp Forest; The Hermit Crab
Ep10 The Humuhumus; The Giant Spider Crab
Ep10 The Humuhumus; The Giant Spider Crab
Ep10 The Speedy Sailfish
Ep9 The Cookiecutter Shark; The Jellyfish Bloom
Ep9 The Speedy Sailfish; The Vampire Squid
Ep9 The Speedy Sailfish; The Vampire Squid
Ep9 The Remipedes
Ep8 The Albino Humpback Whale; The Remipedes
Ep8 The Great Algae Escape
Ep7 The Monster Map; The Crab & Urchin
Ep7 The Orcas
Ep6 The Flying Fish; The Narwhal
Ep6 The Giant Squid
Ep5 The Decorator Crab; The Whale Shark
Ep5 The Flying Fish
Ep4 The Orcas; The Blobfish Brothers
Ep4 The Walrus Chief
Ep3 The Great Algae Escape; The Walrus Chief
Ep3 The Crab and Urchin
Ep2 The Undersea Storm; The Giant Squid
Ep2 The Undersea Storm
Ep1 The Seahorse Tale; The Enemy Anemones
Ep1 The Whale Shark
The Monster Map, The Crab and The Urchin
The Octonauts
The Baby Dolphin; The Scary Spookfish
The Enormous Elephant Seal; The Sardine School
The Snapping Shrimp; The Kelp Forest Rescue
The Lost Sea Star; The Giant Jelly
The Slime Eels; The Arctic Orcas
The Snot Sea Cucumber; The Giant Whirlpool
#1 The Hungry Pilot Fish; The Beluga Whales
#1 The Giant Kelp Forest; The Hermit Crabs
The Cookiecutter Shark; The Jellyfish Bloom
The Monster Map; The Crab and Urchin
#1 The Flying Fish; The Narwhal
The Decorator Crab; The Whale Shark
The Orcas; The Blobfish Brothers
The Great Algae Escape; The Walrus Chief
The Undersea Storm; The Giant Squid
The Pirate Parrotfish; The Electric Torpedo Rays
The Oarfish; The Combtooth Blenny
The Crafty Cuttlefish; The Lost Lemon Shark
The Seahorse Tale; The Enemy Anemones
#1 The Albino Humpback Whale; The Remipedes

More to Watch

Episode Number Episode Name Viewing Progress Airdate
The Hungry Pilot Fish
The Harbor Seal, Artificial Reef
The Octonauts
Hammerhead Sharks
Octonauts and the Convict Fish
The Monster Map/The Crab & Urchin
Octonauts and the Emperor Penguins
The Octonauts And The Saltwater Crocodiles
Operation Deep Freeze
Loggerhead Sea Turtle
The Octonauts and the Humuhumunukunukuapua'a
The Octonauts And The Yeti Crabs
Swashbuckling Swordfish
The Octonauts and the Jelly Fish Bloom
S3 | Ep6

Urchin Invasion; Lion's Mane Jellyfish

Air Date: 5/2/14
The Octonauts visit Shellington's sister and her newborn son in the kelp forest but soon discover that the forest is threatened by an infestation of kelp-eating urchins; a lion's mane jellyfish gets its tentacles tangled in the bubble engine, which causes flooding in the Octopod.
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