Sep 4, 2013 · 11m
Kwazii and Dashi become entangled in a strange deep-sea creature - a siphonophore.


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.
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Sep 4, 2013 · 11m
Kwazii and Dashi become entangled in a strange deep-sea creature - a siphonophore.
Sep 5, 2013 · 11m
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.
Sep 6, 2013 · 11m
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.
Sep 9, 2013 · 11m
When an underwater storm destroys a small reef, Tweak and her crew try to convert the Gup-F into an artificial equivalent.
Sep 10, 2013 · 11m
When a sardine swallows the key to a treasure chest, a humpback whale helps Kwazii track it down.
Sep 11, 2013 · 11m
When a floating garbage patch endangers a flock of pelicans and other sea creatures, the Octonauts and the birds work together to clean it up.
Sep 12, 2013 · 11m
The Octonauts must stop a huge herd of sea pigs before they march blindly into the Mariana Trench - where there will be no access to food. But things get chaotic when Tunip goes missing!
Sep 13, 2013 · 11m
As Tweak tests the Gup-X deep down in the Midnight Zone, a yeti crab cuts a vital electrical wire in the ship and cuts off all power, endangering itself and the Octonauts.
Mar 10, 2014 · 11m
Shellington and the Vegimals' mission to replant a mangrove forest is put in peril by a school of toothy barracudas.
Mar 11, 2014 · 11m
While rescuing river creatures after a storm, the Octonauts find a strange egg and come under attack by stinging platypuses.
Mar 12, 2014 · 11m
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.
Mar 13, 2014 · 11m
The Octonauts attempt to keep the peace amongst a trio of mudskippers whose home has been flooded.
Mar 14, 2014 · 11m
When Peso's patient, a remora fish, mysteriously disappears, the Octonauts enlist a unique undersea detective - a harbour seal.
Mar 17, 2014 · 11m
A lion's mane jellyfish gets its long and stingy tentacles tangled in the bubble engine, unintentionally flooding the Octopod and causing havoc.
Mar 18, 2014 · 11m
When Shellington and the crew try to gather some skittish crabs who have drifted away from home, they get help from some old friends.
Mar 19, 2014 · 11m
A sea sponge that houses other sea creatures in its pores suffers from a mysterious illness and Peso must figure out the cause.
Mar 20, 2014 · 11m
Shellington and the Octonauts try to track an unusual creature: a jellyfish that can transform from old to young repeatedly - and live forever!
Mar 21, 2014 · 11m
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!
Sep 21, 2015 · 11m
The Octonauts meet some hammerheaded sharks, however, they can't sleep too well because Shellington and Professor Inkling have been arguing about who is smarter that they are no longer friends.
Sep 22, 2015 · 11m
After an undersea tremor separates the Gup-X and its crew, Barnacles seeks guidance from a mysterious sea turtle.
Quick answers about this season's release timeline and episode lineup.
Octonauts Season 3 premiered on September 4, 2013.
Octonauts Season 3 has 20 episodes.
The season opens with Season 3 Episode 1, "The Siphonophore". It aired on September 4, 2013.
Go to Season 3 Episode 1