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The Best Episodes of Octonauts

Every episode of Octonauts ranked from best to worst. Let's dive into the Best Episodes of Octonauts!

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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

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Episode Rankings

  1. #1 Fan Favorite
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    Octonauts Season 5 Episode 1 - Blue Whale Rescue
    10.0/10(1 votes)

    #1 - Blue Whale Rescue

    S5:E1

    When Kwazii discovers a blue whale with an injured tail, the Octonauts attempt to use a giant net and Octofloats to keep it from sinking. Meanwhile, Peso and Tweak collaborate on a special brace for its tail, and Kwazii, Dashi and Shellington try to find it enough food. But when the supporting net breaks, the Octonauts have to launch an emergency free-fall rescue!

    Director:Unknown
    Writer:Unknown

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  2. Octonauts Season 5 Episode 2 - Bluefin Tuna
    10.0/10(2 votes)

    #2 - Bluefin Tuna

    S5:E2

    After an encounter with a school of migrating tuna, the Octonauts discover that one of the speedy fish, Tina, has been left behind. And she’s injured! Poor Tina has a hook stuck in her mouth and is too weak to swim. After Peso tends to her wound, the Octonauts agree to help get her to the tuna spawning grounds. But they’ll have to be quick: egg-laying season doesn’t last long. Luckily, Tweak’s latest gup, the Gup-R, is the fastest she’s ever built! The Octonauts use it to tow Tina, but when the Gup-R’s battery dies, how will they catch up to the rest of her school?

    Director:Unknown
    Writer:Unknown

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  3. Octonauts Season 3 Episode 2 - The Water Bears
    8.7/10(13 votes)

    #3 - The Water Bears

    S3:E2

    The gang ventures into a red-hot lava tube to rescue a tiny water bear that does not seem to mind the heat at all.

    Director:Unknown
    Writer:Unknown

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  4. Octonauts Season 1 Episode 45 - The Pirate Parrotfish
    8.6/10(15 votes)

    #4 - The Pirate Parrotfish

    S1:E45

    When the Octonauts go on a pirate treasure hunt, Kwazii meets a Parrotfish.

    Director:Unknown
    Writer:Unknown

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  5. Octonauts Season 2 Episode 20 - The Saltwater Crocodile
    8.5/10(13 votes)

    #5 - The Saltwater Crocodile

    S2:E20

    When a gigantic saltwater crocodile wanders into freezing waters, the Octonauts must figure out how to get the predator back to his warm water home - without anyone getting hurt.

    Director:Unknown
    Writer:Unknown

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  6. Octonauts Season 1 Episode 11 - The Blobfish Brothers
    8.4/10(22 votes)

    #6 - The Blobfish Brothers

    S1:E11

    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.

    Director:Unknown
    Writer:Unknown

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    The 20 WORST Episodes of Octonauts

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  7. Octonauts Season 4 Episode 3 - Octonauts and the Octopod Mystery
    8.4/10(10 votes)

    #7 - 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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  8. Octonauts Season 1 Episode 1 - The Whale Shark
    8.3/10(36 votes)

    #8 - The Whale Shark

    S1:E1

    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.

    Director:Unknown
    Writer:Unknown

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  9. Octonauts Season 1 Episode 8 - The Great Algae Escape
    8.3/10(19 votes)

    #9 - The Great Algae Escape

    S1:E8

    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.

    Director:Unknown
    Writer:Unknown

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  10. Octonauts Season 1 Episode 9 - The Remipedes
    8.3/10(20 votes)

    #10 - The Remipedes

    S1:E9

    When Shellington gets lost in a dark sea cave, he gets unexpected assistance from some blind Remipedes.

    Director:Unknown
    Writer:Unknown

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  11. Octonauts Season 1 Episode 10 - The Speedy Sailfish
    8.3/10(20 votes)

    #11 - The Speedy Sailfish

    S1:E10

    When all the Gups go out of control, Barnacles and Kwazii leap onto the backs of some speedy Sailfish to round them up.

    Director:Unknown
    Writer:Unknown

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  12. Octonauts Season 1 Episode 30 - The Giant Jelly
    8.3/10(18 votes)

    #12 - The Giant Jelly

    S1:E30

    The Octonauts must rescue Peso when he gets trapped inside a giant ctenophore.

    Director:Unknown
    Writer:Unknown

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  13. Octonauts Season 1 Episode 34 - The Jellyfish Bloom
    8.3/10(17 votes)

    #13 - The Jellyfish Bloom

    S1:E34

    When Shellington gets trapped in the middle of a massive Jellyfish bloom, it's up to the Octonauts to rescue him.

    Director:Unknown
    Writer:Unknown

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  14. Octonauts Season 1 Episode 41 - The Dolphin Reef Rescue
    8.3/10(23 votes)

    #14 - The Dolphin Reef Rescue

    S1:E41

    When the Octonauts all pitch in to help save a sick coral reef, they get some unexpected help from a pod of playful dolphins.

    Director:Unknown
    Writer:Unknown

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  15. Octonauts Season 1 Episode 49 - The Humuhumunukunukuapua'a
    8.3/10(21 votes)

    #15 - The Humuhumunukunukuapua'a

    S1:E49

    When the Octopod's waterworks are flooded with frightened Humuhumu fish, the Octonauts have to find a way to flush them out.

    Director:Unknown
    Writer:Unknown

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  16. Octonauts Season 1 Episode 2 - The Undersea Storm
    8.2/10(31 votes)

    #16 - The Undersea Storm

    S1:E2

    As a huge storm heads towards the headquarters, the Octonaut crew hurriedly goes into preparation. However, Kwaji, who went out to test drive the expedition ship, is unable to return to Octopold because he is rescuing the animals.

    Director:Unknown
    Writer:Unknown

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  17. Octonauts Season 1 Episode 17 - The Narwhal
    8.2/10(23 votes)

    #17 - The Narwhal

    S1:E17

    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.

    Director:Unknown
    Writer:Unknown

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  18. Octonauts Season 1 Episode 20 - The Snot Sea Cucumber
    8.2/10(19 votes)

    #18 - The Snot Sea Cucumber

    S1:E20

    After an underwater tremor, an injured sea cucumber named Slippy gets loose on the Octopod, so to let her breathe, they flood the ship!

    Director:Unknown
    Writer:Unknown

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  19. Octonauts Season 1 Episode 40 - The Sardine School
    8.2/10(15 votes)

    #19 - The Sardine School

    S1:E40

    The Octonauts must work together as a team to help a lost sardine find her school.

    Director:Unknown
    Writer:Unknown

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  20. Octonauts Season 1 Episode 44 - The Dwarf Lantern Shark
    8.2/10(16 votes)

    #20 - The Dwarf Lantern Shark

    S1:E44

    Down in the darkness of the ocean deep, Peso and the Octonauts must help a tiny, injured Dwarf Lantern Shark.

    Director:Unknown
    Writer:Unknown

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  21. Octonauts Season 1 Episode 48 - The Lost Lemon Shark
    8.2/10(21 votes)

    #21 - The Lost Lemon Shark

    S1:E48

    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.

    Director:Unknown
    Writer:Unknown

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  22. Octonauts Season 1 Episode 28 - The Vampire Squid
    8.1/10(18 votes)

    #22 - The Vampire Squid

    S1:E28

    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.

    Director:Unknown
    Writer:Unknown

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  23. Octonauts Season 1 Episode 29 - The Seahorse Tale
    8.1/10(16 votes)

    #23 - The Seahorse Tale

    S1:E29

    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!

    Director:Unknown
    Writer:Unknown

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  24. Octonauts Season 1 Episode 42 - The Eel Ordeal
    8.1/10(16 votes)

    #24 - The Eel Ordeal

    S1:E42

    The Octonauts travel up a treacherous river to help a young migrating eel on her difficult journey.

    Director:Unknown
    Writer:Unknown

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  25. Octonauts Season 1 Episode 47 - The Crafty Cuttlefish
    8.1/10(18 votes)

    #25 - The Crafty Cuttlefish

    S1:E47

    Captain Barnacles allows Tunip to use his Octo-compass. But when Tunip loses it, a cuttlefish takes it.

    Director:Unknown
    Writer:Unknown

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Best Episodes Summary

"Blue Whale Rescue" is the best rated episode of "Octonauts". It scored 10/10 based on 1 votes. Directed by Unknown and written by Unknown, it aired on 12/28/2020. This episode scored 0.0 points higher than the second highest rated, "Bluefin Tuna".