Animated deep sea adventures with Captain Barnacles and his explorers. When a sardine swallows an important key, a humpback whale helps Kwazii track it down. Show more

Animated deep sea adventures. A lion's mane jellyfish gets its long and stingy tentacles tangled in the bubble engine, unintentionally flooding the Octopod. Show more

Animated deep sea adventures with Captain Barnacles and his explorers. When Peso's patient mysteriously disappears, the Octonauts enlist a unique undersea detective. Show more

Animated deep sea adventures with Captain Barnacles and his explorers. The Octonauts attempt to keep the peace amongst a trio of mudskippers. Show more

Animated deep sea adventures with Captain Barnacles and his explorers. The Octonauts must stop a huge herd of sea pigs before they march blindly into the Mariana Trench. Show more

Animated deep sea adventures with Captain Barnacles and his explorers. Only Peso can save the day when a cone snail invades the Octopod.

Animated deep sea adventures with Captain Barnacles and his explorers. Tweak and her crewmates must convert the Gup-F into an artificial reef. Show more

Animated deep sea adventures with Captain Barnacles and his explorers. A floating garbage patch endangers a flock of pelicans and other sea creatures. Show more

Animated deep sea adventures with Captain Barnacles and his explorers. Shellington and the Vegimals are on a mission to replant a mangrove forest. Show more

Animated deep sea adventures with Captain Barnacles and his explorers. A yeti crab damages the ship, endangering itself and the Octonauts. Show more

Animated deep sea adventures with Captain Barnacles and his explorers. While rescuing river creatures after a storm, the Octonauts find a strange egg. Show more

Animated deep sea adventures with Captain Barnacles and his explorers. When Kwazii gets lost at sea aboard the tiny octo-ski, he meets a flotilla of sea skaters. Show more

Animated deep sea adventures. A sea sponge that houses other sea creatures in its pores suffers from a mysterious illness, and Peso must figure out the cause. Show more

Animated deep sea adventures. When Shellington and the crew try to gather some skittish crabs who have drifted away from home, they get help from some old friends. Show more

Animated deep sea adventures. Shellington and the Octonauts try to track an unusual creature, a jellyfish that can live forever. Show more

Animated deep sea adventures. The Octonauts study a group of baby hammerhead sharks as they hunt on their own for the first time. Show more

Animated deep sea adventures. The Octonauts head to the kelp forest to visit Shellington's sister Pearl and her newborn son Periwinkle. Show more

Animated deep sea adventure series. When an underwater tremor separates the Gup-X and its crew, Barnacles seeks guidance from a mysterious sea turtle. Show more

Animated deep sea adventures with Captain Barnacles and his explorers. The Octonauts venture into a dangerous red-hot lava tube to rescue a teeny-tiny water bear. Show more

Animated deep sea adventures with Captain Barnacles and his explorers. Kwazii and Dashi become entangled in a strange deep sea creature, a siphonophore. Show more