Season 3
(2013)
Episodes
The Siphonophore 0.0
September 4, 2013
Kwazii and Dashi become entangled in a strange deep-sea creature - a siphonophore.
The Water Bears 0.0
September 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.
The Cone Snail 0.0
September 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 dangerou…
The Artificial Reef 0.0
September 9, 2013
When an underwater storm destroys a small reef, Tweak and her crew try to convert the Gup-F into an artificial equivale…
The Humpback Whales 0.0
September 10, 2013
When a sardine swallows the key to a treasure chest, a humpback whale helps Kwazii track it down.
The Pelicans 0.0
September 11, 2013
When a floating garbage patch endangers a flock of pelicans and other sea creatures, the Octonauts and the birds work t…
The Sea Pigs 0.0
September 12, 2013
The Octonauts must stop a huge herd of sea pigs before they march blindly into the Mariana Trench - where there will be…
The Yeti Crab 0.0
September 13, 2013
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 …
The Barracudas 0.0
March 10, 2014
Shellington and the Vegimals' mission to replant a mangrove forest is put in peril by a school of toothy barracudas.
The Duck-Billed Platypus 0.0
March 11, 2014
While rescuing river creatures after a storm, the Octonauts find a strange egg and come under attack by stinging platyp…
The Sea Skaters 0.0
March 12, 2014
When Kwazii gets lost at sea aboard the tiny octo-ski, he meets a flotilla of even tinier sea skaters - the only insect…
The Mudskippers 0.0
March 13, 2014
The Octonauts attempt to keep the peace amongst a trio of mudskippers whose home has been flooded.
The Harbour Seal 0.0
March 14, 2014
When Peso's patient, a remora fish, mysteriously disappears, the Octonauts enlist a unique undersea detective - a harbo…
The Lion's Mane Jellyfish 0.0
March 17, 2014
A lion's mane jellyfish gets its long and stingy tentacles tangled in the bubble engine, unintentionally flooding the O…
The Red Rock Crabs 0.0
March 18, 2014
When Shellington and the crew try to gather some skittish crabs who have drifted away from home, they get help from som…
The Sea Sponge 0.0
March 19, 2014
A sea sponge that houses other sea creatures in its pores suffers from a mysterious illness and Peso must figure out th…
The Immortal Jellyfish 0.0
March 20, 2014
Shellington and the Octonauts try to track an unusual creature: a jellyfish that can transform from old to young repeat…
The Urchin Invasion 0.0
March 21, 2014
The Octonauts head to the kelp forest to visit Shellington's sister, Pearl, and her newborn son Periwinkle - only to fi…
The Hammerhead Sharks 0.0
September 21, 2015
The Octonauts meet some hammerheaded sharks, however, they can't sleep too well because Shellington and Professor Inkli…
The Loggerhead Sea Turtle 0.0
September 22, 2015
After an undersea tremor separates the Gup-X and its crew, Barnacles seeks guidance from a mysterious sea turtle.