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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
    7.0/10(12 votes)

    #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.

    Director:Unknown
    Writer:Unknown
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  2. Background image for Octonauts and the Hidden Lake
    7.4/10(10 votes)

    #2 - Octonauts and the Hidden Lake

    S4:E2

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

    Director:Unknown
    Writer:Unknown
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  3. Background image for Octonauts and the Octopod Mystery
    8.4/10(9 votes)

    #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.

    Director:Unknown
    Writer:Unknown
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  4. Background image for Octonauts and the Baby Sea Turtles
    7.7/10(8 votes)

    #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.

    Director:Unknown
    Writer:Unknown
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  5. Background image for Octonauts and the Walrus Pups
    7.6/10(9 votes)

    #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!

    Director:Unknown
    Writer:Unknown
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  6. Background image for Octonauts and the Mantis Shrimp
    7.4/10(11 votes)

    #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.

    Director:Unknown
    Writer:Unknown
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  8. Background image for Octonauts and the Loneliest Whale
    7.9/10(8 votes)

    #7 - Octonauts and the Loneliest Whale

    S4:E7

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

    Director:Unknown
    Writer:Unknown
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  9. Background image for Octonauts and the Tree Lobsters
    7.6/10(9 votes)

    #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.

    Director:Unknown
    Writer:Unknown
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  10. Background image for Octonauts and the Convict Fish
    7.5/10(11 votes)

    #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.

    Director:Unknown
    Writer:Unknown
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  11. Background image for Octonauts and the Emperor Penguins
    7.8/10(7 votes)

    #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.

    Director:Unknown
    Writer:Unknown
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  12. Background image for Octonauts and the Crawfish
    7.6/10(8 votes)

    #11 - Octonauts and the Crawfish

    S4:E11

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

    Director:Unknown
    Writer:Unknown
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  13. Background image for Octonauts and the Flamingos
    7.4/10(9 votes)

    #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!

    Director:Unknown
    Writer:Unknown
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  14. Background image for Octonauts and the Tiger Shark
    7.2/10(9 votes)

    #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.

    Director:Unknown
    Writer:Unknown
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  15. Background image for Octonauts and the Sunfish
    6.9/10(8 votes)

    #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.

    Director:Unknown
    Writer:Unknown
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  16. Background image for Octonauts and the Coelacanth
    7.3/10(7 votes)

    #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!

    Director:Unknown
    Writer:Unknown
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  17. Background image for Octonauts and the Surfing Snails
    7.5/10(7 votes)

    #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.

    Director:Unknown
    Writer:Unknown
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  18. Background image for Octonauts and the Yellow Bellied Sea Snakes
    7.6/10(8 votes)

    #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.

    Director:Unknown
    Writer:Unknown
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  19. Background image for Octonauts and the Hippos
    6.8/10(7 votes)

    #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.

    Director:Unknown
    Writer:Unknown
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  20. Background image for Octonauts and Operation Cooperation
    7.0/10(6 votes)

    #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.

    Director:Unknown
    Writer:Unknown
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  21. Background image for Octonauts and the Bomber Worms
    7.8/10(10 votes)

    #20 - Octonauts and the Bomber Worms

    S4:E20

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

    Director:Unknown
    Writer:Unknown
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  22. Background image for Octonauts and the Kelp Monster Mystery
    7.8/10(10 votes)

    #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.

    Director:Unknown
    Writer:Unknown
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  23. Background image for Octonauts and the Coconut Crisis
    7.8/10(9 votes)

    #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.

    Director:Unknown
    Writer:Unknown
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  24. Background image for Octonauts and the Baby Gator
    NaN/10(0 votes)

    #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.

    Director:Unknown
    Writer:Unknown
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  25. Background image for Octonauts and the Spinner Dolphins
    7.2/10(7 votes)

    #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.

    Director:Unknown
    Writer:Unknown
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Season 4 Ratings Summary

"Octonauts and the Poison Dart Frogs" is the best rated episode of "Octonauts" season 4. It scored 7/10 based on 12 votes. Directed by Unknown and written by Unknown, it aired on 9/23/2015. This episode is rated 0.4 points higher than the second-best, "Octonauts and the Hidden Lake".