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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!

The Octonauts is a British children's television series, produced by Silvergate Media for the BBC channel Cbeebies. The series is animated in Ireland by Brown...
Genres:KidsAnimationAction & Adventure
Network:CBeebies

Best Episodes Summary

"The Water Bears" is the best rated episode of "Octonauts". It scored 8.3/10 based on 7 votes. Directed by N/A and written by N/A, it aired on 9/5/2013. This episode scored 0.0 points higher than the second highest rated, "Octonauts and the Octopod Mystery".

  • The Water Bears
    8.3/107 votes
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    #1 - The Water Bears

    Season 3 Episode 2 - Aired 9/5/2013

    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: N/A

    Writer: N/A

  • Octonauts and the Octopod Mystery
    8.3/107 votes
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    #2 - Octonauts and the Octopod Mystery

    Season 4 Episode 3 - Aired 9/25/2015

    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: N/A

    Writer: N/A

  • The Narwhal
    8.1/1015 votes
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    #3 - The Narwhal

    Season 1 Episode 17 - Aired 10/26/2010

    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: N/A

    Writer: N/A

  • The Dolphin Reef Rescue
    8.1/1017 votes
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    #4 - The Dolphin Reef Rescue

    Season 1 Episode 41 - Aired 1/31/2011

    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: N/A

    Writer: N/A

  • The Pirate Parrotfish
    8.1/109 votes
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    #5 - The Pirate Parrotfish

    Season 1 Episode 45 - Aired 2/4/2011

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

    Director: N/A

    Writer: N/A

  • The Blobfish Brothers
    8.0/1015 votes
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    #6 - The Blobfish Brothers

    Season 1 Episode 11 - Aired 10/18/2010

    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: N/A

    Writer: N/A

  • The Humuhumunukunukuapua'a
    8.0/1014 votes
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    #7 - The Humuhumunukunukuapua'a

    Season 1 Episode 49 - Aired 2/10/2011

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

    Director: N/A

    Writer: N/A

  • The Saltwater Crocodile
    8.0/107 votes
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    #8 - The Saltwater Crocodile

    Season 2 Episode 20 - Aired 5/17/2013

    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: N/A

    Writer: N/A

  • The Giant Jelly
    7.9/1012 votes
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    #9 - The Giant Jelly

    Season 1 Episode 30 - Aired 12/10/2010

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

    Director: N/A

    Writer: N/A

  • The Cone Snail
    7.9/107 votes
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    #10 - The Cone Snail

    Season 3 Episode 3 - Aired 9/6/2013

    Peso sets out to save the day when a cone snail invades the octopod and picks off the crew one by one with its dangerous harpoons.

    Director: N/A

    Writer: N/A

  • The Immortal Jellyfish
    7.9/107 votes
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    #11 - The Immortal Jellyfish

    Season 3 Episode 17 - Aired 3/20/2014

    Shellington and the Octonauts try to track an unusual creature: a jellyfish that can transform from old to young repeatedly - and live forever!

    Director: N/A

    Writer: N/A

  • The Remipedes
    7.8/1012 votes
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    #12 - The Remipedes

    Season 1 Episode 9 - Aired 10/14/2010

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

    Director: N/A

    Writer: N/A

  • The Snot Sea Cucumber
    7.8/1013 votes
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    #13 - The Snot Sea Cucumber

    Season 1 Episode 20 - Aired 10/29/2010

    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: N/A

    Writer: N/A

  • The Jellyfish Bloom
    7.8/1011 votes
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    #14 - The Jellyfish Bloom

    Season 1 Episode 34 - Aired 12/16/2010

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

    Director: N/A

    Writer: N/A

  • The Lost Lemon Shark
    7.8/1015 votes
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    #15 - The Lost Lemon Shark

    Season 1 Episode 48 - Aired 2/9/2011

    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: N/A

    Writer: N/A

  • The Adelie Penguins
    7.8/108 votes
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    #16 - The Adelie Penguins

    Season 2 Episode 2 - Aired 11/20/2012

    While Kwazii and Peso have their hands full babysitting a bunch of Adelie penguin chicks, Captain Barnacles must rescue the chicks' parents from a perilous sea storm!

    Director: N/A

    Writer: Rich Fogel

  • The Urchin Invasion
    7.8/106 votes
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    #17 - The Urchin Invasion

    Season 3 Episode 18 - Aired 3/21/2014

    The Octonauts head to the kelp forest to visit Shellington's sister, Pearl, and her newborn son Periwinkle - only to find the forest endangered by an infestation of kelp-eating urchins!

    Director: N/A

    Writer: N/A

  • Octonauts and the Emperor Penguins
    7.8/105 votes
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    #18 - Octonauts and the Emperor Penguins

    Season 4 Episode 10 - Aired 12/16/2015

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

    Director: N/A

    Writer: N/A

  • Octonauts and the Bomber Worms
    7.8/109 votes
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    #19 - Octonauts and the Bomber Worms

    Season 4 Episode 20 - Aired 10/23/2017

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

    Director: N/A

    Writer: N/A

  • The Vampire Squid
    7.7/1012 votes
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    #20 - The Vampire Squid

    Season 1 Episode 28 - Aired 12/8/2010

    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: N/A

    Writer: N/A

  • The Mimic Octopus
    7.7/106 votes
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    #21 - The Mimic Octopus

    Season 2 Episode 16 - Aired 5/13/2013

    The Octonauts recruit a shape-shifting mimic octopus to help them recover an important vial of medicinal algae from a moray eel's lair.

    Director: N/A

    Writer: N/A

  • The Sea Skaters
    7.7/106 votes
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    #22 - The Sea Skaters

    Season 3 Episode 11 - Aired 3/12/2014

    When Kwazii gets lost at sea aboard the tiny octo-ski, he meets a flotilla of even tinier sea skaters - the only insects who live on the ocean.

    Director: N/A

    Writer: N/A

  • Octonauts and the Baby Sea Turtles
    7.7/106 votes
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    #23 - Octonauts and the Baby Sea Turtles

    Season 4 Episode 4 - Aired 9/28/2015

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

    Director: N/A

    Writer: N/A

  • Octonauts and the Convict Fish
    7.7/109 votes
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    #24 - Octonauts and the Convict Fish

    Season 4 Episode 9 - Aired 12/14/2015

    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: N/A

    Writer: N/A

  • Octonauts and the Crawfish
    7.7/106 votes
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    #25 - Octonauts and the Crawfish

    Season 4 Episode 11 - Aired 12/3/2016

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

    Director: N/A

    Writer: N/A