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 Bag Films but uses British voice actors. The TV series is based on American-Canadian children's books written by Vicki Wong and Michael C. Murphy of Meomi Design Inc.The Octonauts 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 a fleet of aquatic vehicles.The subject matter is reminiscent of Star Trek and Thunderbirds blended with Jacques Cousteau. Although it is science fiction as regards its technology, the exotic creatures and locations that the crew encounter are real marine animals in their natural habitats.
Where to Watch The Octonauts
Where to stream every episode from all 4 seasons of The Octonauts. Filter these episodes by what's available to watch free or on your streaming services using the tabs above.
Season 1Netflix | Rent or Buy
S01 E01Oct 4, 2010
The Whale Shark Oct 4, 2010 When Dashi is accidentally swallowed by a whale shark, the Octonauts venture inside the huge fish to rescue her.
S01 E02Oct 5, 2010
The Undersea Storm Oct 5, 2010 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.
S01 E03Oct 6, 2010
The Crab and Urchin Oct 6, 2010 Barnacles and Kwazii investigate a disruption on a nearby reef: a carrier crab and the urchin who lives on its shell just can't seem to get along.
S01 E04Oct 7, 2010
The Walrus Chief Oct 7, 2010 When Peso's precious medical kit is taken, Barnacles and Kwazii sneak into a dangerous walrus colony to get it back, disguised as a walrus.
S01 E05Oct 8, 2010
The Flying Fish Oct 8, 2010 When a school of flying fish accidentally make off with a rare book belonging to Professor Inkling, the Octonauts rig up the Gup B to fly after them and get it back.
S01 E06Oct 11, 2010
The Giant Squid Oct 11, 2010 The Octonauts roam the oceans in search of adventure and fun. Whether it's a perilous voyage to the bottom of the sea or the piratey pursuit of a giant squid, the Octonauts leap into action and always prove that eight heads are better than one! The Octonauts set out to find and photograph Inkling's long lost cousin, the elusive Giant Squid.
Season 2Netflix | Rent or Buy
S02 E01Nov 19, 2012
The Colossal Squid Nov 19, 2012 The Octopod is attacked by a colossal squid, who drags the ship down an abyssal trench, forcing Barnacles and Kwazii to make a perilous swim outside to confront the gigantic beast.
S02 E02Nov 20, 2012
The Adelie Penguins Nov 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!
S02 E03Nov 21, 2012
The Coconut Crabs Nov 21, 2012 Kwazii finds a mysterious, unbreakable coconut, so the Octonauts seek out the help of some large, island-dwelling coconut crabs to open it.
S02 E04Nov 22, 2012
The Great White Shark Nov 22, 2012 Peso must perform an emergency fin bandage on a hungry great white shark, but first they need to subdue the giant predator using a trick called 'tonic immobility'.
S02 E05Nov 23, 2012
The Sea Snakes Nov 23, 2012 It's Sea Snakes on an Octopod when a poisonous sea krait lays her eggs in the garden pod, just as Captain Barnacles has to navigate the ship past a treacherous whirlpool.
S02 E06Nov 26, 2012
The Bowhead Whales Nov 26, 2012 When the Octonauts are unable to rescue a group of Narwhals trapped behind arctic ice, they recruit a Bowhead Whale to help them break through!
Season 3Netflix | Rent or Buy
S03 E01Sep 4, 2013
Siphonophore Sep 4, 2013 Kwazii and Dashi become entangled in a strange deep-sea creature - a siphonophore.
S03 E02Sep 5, 2013
Water Bears Sep 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.
S03 E03Sep 6, 2013
Cone Snails Sep 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.
S03 E04Sep 9, 2013
Artificial Reef Sep 9, 2013 When an underwater storm destroys a small reef, Tweak and her crew try to convert the Gup-F into an artificial equivalent.
S03 E05Sep 10, 2013
The Humpback Whales Sep 10, 2013 When a sardine swallows the key to a treasure chest, a humpback whale helps Kwazii track it down.
S03 E05Sep 10, 2013
Humpback Whales / Duck-Billed Platypus Sep 10, 2013 Kwazii teams up with a Humpback Whale to track down a treasure chest key.
Season 4DisneyNOW | Disney JR | Rent or Buy
S04 E01Sep 23, 2015
The Poison Dart Frogs Sep 23, 2015 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.
S04 E02Sep 24, 2015
The Hidden Lake Sep 24, 2015 The Octonauts are exploring Antarctica, when Shellington discovers strange microscopic creatures living under the ice.
S04 E03Sep 25, 2015
The Octopod Mystery Sep 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.
S04 E04Sep 28, 2015
The Baby Sea Turtles Sep 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.
S04 E05Sep 29, 2015
The Walrus Pups Sep 29, 2015 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!
S04 E06Sep 30, 2015
The Mantis Shrimp Sep 30, 2015 The Octonauts must get 2 mantis shrimp to stop fighting before their powerful claw strikes destroy the Octopod.