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The Best Episodes of Octonauts Season 4

Every episode of Octonauts Season 4 ranked from best to worst. Discover the Best Episodes of Octonauts Season 4!

The Best Episodes of Octonauts Season 4

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...
  1. Background image for Octonauts and the Poison Dart Frogs
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    #1 - Octonauts and the Poison Dart Frogs

    S4:E1

    When a giant wave hurls Amazon River creatures up into the trees, the Octonauts must get them down safely, without disturbing poison dart frogs who live there.

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    Director:Unknown
    Writer:Unknown
  2. Background image for Octonauts and the Hidden Lake
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    #2 - Octonauts and the Hidden Lake

    S4:E2

    The Octonauts are exploring Antarctica, when Shellington discovers strange microscopic creatures living under the ice.

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    Director:Unknown
    Writer:Unknown
  3. Background image for Octonauts and the Octopod Mystery
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    #3 - Octonauts and the Octopod Mystery

    S4:E3

    When the Octopod breaks down, Tweak and the crew search for a missing part aboard an abandoned prototype of the ship, not realising something lives there.

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    Director:Unknown
    Writer:Unknown
  4. Background image for Octonauts and the Baby Sea Turtles
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    #4 - Octonauts and the Baby Sea Turtles

    S4:E4

    As newborn baby sea turtles make their way to the ocean, the Octonauts must steer them clear a giant wave and hungry predators.

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    Director:Unknown
    Writer:Unknown
  5. Background image for Octonauts and the Walrus Pups
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    #5 - Octonauts and the Walrus Pups

    S4:E5

    Captain Barnacles and his niece and nephew, Ursa and Orson, must rescue walrus pups who are stranded on a runaway ice floe, before it collides with a huge iceberg!

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    Director:Unknown
    Writer:Unknown
  6. Background image for Octonauts and the Mantis Shrimp
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    #6 - Octonauts and the Mantis Shrimp

    S4:E6

    The Octonauts must get 2 mantis shrimp to stop fighting before their powerful claw strikes destroy the Octopod.

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    Director:Unknown
    Writer:Unknown
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  8. Background image for Octonauts and the Loneliest Whale
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    #7 - Octonauts and the Loneliest Whale

    S4:E7

    The Octonauts follow a strange song to a lonely humpback whale.

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    Director:Unknown
    Writer:Unknown
  9. Background image for Octonauts and the Tree Lobsters
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    #8 - Octonauts and the Tree Lobsters

    S4:E8

    When a storm washes Peso onto a mysterious, rocky island, he meets a band of lobster-like insects thought to be extinct.

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    Director:Unknown
    Writer:Unknown
  10. Background image for Octonauts and the Convict Fish
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    #9 - Octonauts and the Convict Fish

    S4:E9

    The Octonauts evacuate the creatures living around a reef before a large archway collapses, but one stubborn convict fish refuses to move from her burrow.

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    Director:Unknown
    Writer:Unknown
  11. Background image for Octonauts and the Emperor Penguins
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    #10 - Octonauts and the Emperor Penguins

    S4:E10

    The Octonauts journey across a dangerous expanse of ice to help a penguin mother get back to her family.

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    Director:Unknown
    Writer:Unknown
  12. Background image for Octonauts and the Crawfish
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    #11 - Octonauts and the Crawfish

    S4:E11

    When a population of crawfish is stricken by illness, the Octonauts race to find a cure.

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    Director:Unknown
    Writer:Unknown
  13. Background image for Octonauts and the Flamingos
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    #12 - Octonauts and the Flamingos

    S4:E12

    The Octonauts find a lost flamingo chick separated from his family and they have to return him there before hungry alligators do!

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    Director:Unknown
    Writer:Unknown
  14. Background image for Octonauts and the Tiger Shark
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    #13 - Octonauts and the Tiger Shark

    S4:E13

    When a hungry tiger shark eats the camera that Tweak's turtle friend Sandy gets in the Octopod, she and the Octonauts must rescue her before it eats everything in its path.

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    Director:Unknown
    Writer:Unknown
  15. Background image for Octonauts and the Sunfish
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    #14 - Octonauts and the Sunfish

    S4:E14

    When a huge sunfish enters the GUP-E, Peso and Kwazii must somehow get the large fish out of the Gup. Eventually they find out it's a Sunfish a fish with no fins.

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    Director:Unknown
    Writer:Unknown
  16. Background image for Octonauts and the Coelacanth
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    #15 - Octonauts and the Coelacanth

    S4:E15

    While exploring a dark and spooky cave, The Octonauts find a strange fossil of a powerful prehistoric fish... but it may be more than just a fossil!

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    Director:Unknown
    Writer:Unknown
  17. Background image for Octonauts and the Surfing Snails
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    #16 - Octonauts and the Surfing Snails

    S4:E16

    When surfing snails are swept out to sea, it's up to Dashi and the Octonauts to save them.

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    Director:Unknown
    Writer:Unknown
  18. Background image for Octonauts and the Yellow Bellied Sea Snakes
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    #17 - Octonauts and the Yellow Bellied Sea Snakes

    S4:E17

    When Peso gets stranded on a beach with a mass of poisonous snakes after a terrible storm, he and the Octonauts must somehow get them back to the ocean.

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    Director:Unknown
    Writer:Unknown
  19. Background image for Octonauts and the Hippos
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    #18 - Octonauts and the Hippos

    S4:E18

    Trying to return home from a mission along an African river, the Octonauts have trouble getting past a gang of large, mud-splatting, territorial hippos.

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    Director:Unknown
    Writer:Unknown
  20. Background image for Octonauts and Operation Cooperation
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    #19 - Octonauts and Operation Cooperation

    S4:E19

    After Shellington crashes the GUP-D for the 3rd time, he and Kwazii team up with moray eels and grouper fish to help pick up the pieces and fix the vehicle before daylight occurs.

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    Director:Unknown
    Writer:Unknown
  21. Background image for Octonauts and the Bomber Worms
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    #20 - Octonauts and the Bomber Worms

    S4:E20

    While diving down to the Midnight Zone, the Octonauts are attacked by bomber worms.

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    Director:Unknown
    Writer:Unknown
  22. Background image for Octonauts and the Kelp Monster Mystery
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    #21 - Octonauts and the Kelp Monster Mystery

    S4:E21

    Dashi teams up with her little sister Koshi to help the Octonauts solve a mysterious disappearance in the Kelp Forest. This is the second episode in which is unknown who sounded the Octo-Alert.

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    Director:Unknown
    Writer:Unknown
  23. Background image for Octonauts and the Coconut Crisis
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    #22 - Octonauts and the Coconut Crisis

    S4:E22

    Kwazii takes a vacation on Coconut Island where he gets hit by some coconuts. Then he and the Octonauts must help their old friends the Coconut Crabs discover who's stealing all their coconuts.

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    Director:Unknown
    Writer:Unknown
  24. Background image for Octonauts and the Baby Gator
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    #23 - Octonauts and the Baby Gator

    S4:E23

    Kwazii adopts a baby alligator naming him Nipper, but when it escapes the Octopod, he and the Octonauts must rescue him.

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    Director:Unknown
    Writer:Unknown
  25. Background image for Octonauts and the Spinner Dolphins
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    #24 - Octonauts and the Spinner Dolphins

    S4:E24

    The Octonauts struggle to save a pod of spinner dolphins who seem to be just swimming in their sleep.

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    Director:Unknown
    Writer:Unknown

Season 4 Ratings Summary

"Octonauts and the Poison Dart Frogs" is the best rated episode of "Octonauts" season 4. It scored /10 based on 0 votes. Directed by Unknown and written by Unknown, it aired on 9/23/2015. This episode is rated 0.0 points higher than the second-best, "Octonauts and the Hidden Lake".