The Octonauts

Kwazii and Dashi become entangled in a strange deep-sea creature - a siphonophore - and when a geyser blasts it toward the surface, the Octonauts must stop its ascent before it fatally bursts.

Stars: Ross Breen, Teresa Gallagher, Wayne Grayson
Writer(s): Vicki Wong

Water Bears: The Octonauts venture into a dangerous red-hot lava tube to rescue a teeny tiny water bear, who doesn't seem to mind the heat at all! Barracudas: Shellington and the Vegimals mission to replant a mangrove forest is put in peril by a school of toothy barracudas.

Stars: Ross Breen, Teresa Gallagher, Simon Greenall
Writer(s): Vicki Wong

Only Peso can save the day when a cone snail invades the Octopod and tranquilizes the crew one by one with its dangerous venom-filled harpoons.

Stars: Ross Breen, Simon Greenall, Shelley Longworth
Writer(s): Vicki Wong

Stars: Ross Breen, Teresa Gallagher, Simon Greenall
Writer(s): Vicki Wong

Humpback Whale: When a sardine swallows the key to a treasure chest, a humpback whale helps Kwazii track it down. Platypus: While rescuing river creatures after a storm, the Octonauts find a strange egg and come under attack by stinging platypuses.

Stars: Ross Breen, Teresa Gallagher, Simon Greenall
Writer(s): Vicki Wong

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.

Stars: Ross Breen, Teresa Gallagher, Simon Greenall
Writer(s): Vicki Wong

The Octonauts must stop a huge herd of sea pigs before they march blindly into the Mariana Trench - the deepest point on earth.

Stars: Ross Breen, Teresa Gallagher, Simon Greenall
Writer(s): Vicki Wong

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.

Stars: Ross Breen, Teresa Gallagher, Simon Greenall
Writer(s): Vicki Wong

Shellington and the Vegimals are on a mission to replant a mangrove forest that is put in peril by a school of toothy barracudas.

Stars: Ross Breen, Teresa Gallagher, Simon Greenall
Writer(s): Vicki Wong

While rescuing river creatures after a storm, the octonauts find a strange egg.

Stars: Ross Breen, Teresa Gallagher, Simon Greenall
Writer(s): Vicki Wong

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

Stars: Ross Breen, Teresa Gallagher, Simon Greenall
Writer(s): Vicki Wong

The Octonauts attempt to keep the peace amongst a trio of mudskippers whose home has been flooded.

Stars: Ross Breen, Teresa Gallagher, Simon Greenall
Writer(s): Vicki Wong

When Peso's patient, a remora fish, mysteriously disappears, the Octonauts enlist a unique undersea detective - a harbour seal.

Stars: Ross Breen, Teresa Gallagher, Simon Greenall
Writer(s): Vicki Wong

An enormous lion's mane jellyfish gets its amazingly long tentacles tangled in the Octopod's engine whilst Tweak is working on it and causes havoc.

Stars: Ross Breen, Teresa Gallagher, Simon Greenall
Writer(s): Vicki Wong

Red Rock Crabs: When Shellington and the crew try to gather some skittish crabs who have drifted away from home, they get help from some old friends. Sea Pigs: The Octonauts must stop a huge herd of sea pigs before they march blindly into the Mariana Trench - the deepest point on earth!

Stars: Ross Breen, Teresa Gallagher, Simon Greenall
Writer(s): Vicki Wong

Examining a sick sea sponge, Peso is surprised to discover that all sorts of creatures live inside it, treating it like a hotel, a behaviour known as commensalism.

Stars: Ross Breen, Teresa Gallagher, Simon Greenall
Writer(s): Ken Pontac, Vicki Wong

Mudskippers: The Octonauts attempt to keep the peace amongst a trio of mudskippers whose home has been flooded. Immortal Jellyfish: Shellington and the Octonauts try to track an unusual creature: a jellyfish that can transform from old to young repeatedly - and live forever!

Stars: Ross Breen, Teresa Gallagher, Simon Greenall
Writer(s): Vicki Wong

Urchin Invasion: 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! Lionsmane Jelly: A lionsmane jellyfish gets its long and stingy tentacles tangled in the bubble engine, unintentionally flooding the Octopod and causing havoc.

Stars: Ross Breen, Teresa Gallagher, Simon Greenall
Writer(s): Vicki Wong

Pelicans: 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. Hammerhead Sharks: The Octonauts study a group of baby hammerhead sharks, as they hunt on their own for the first time and poke their noses into trouble.

Stars: Ross Breen, Teresa Gallagher, Simon Greenall
Writer(s): Vicki Wong

Sea Sponge: A sea sponge that houses other sea creatures in its pores suffers from a mysterious illness and Peso must figure out the cause. Loggerhead Sea Turtle: When an underwater tremor separates the Gup-X and its crew, Barnacles seeks guidance from a mysterious sea turtle.

Stars: Ross Breen, Teresa Gallagher, Simon Greenall
Writer(s): Vicki Wong