Season 3
22 episodes
19 min. per episode
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A brave polar bear and daring kitten unite their quirky crew to solve ocean mysteries, forging bonds and facing fears together.
Episodes
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.
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.
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.
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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.
An intrepid band of explorers roam the oceans in search of adventure and fun. Led by a valiant polar bear and a daredevil kitten, these eight talented critters are always ready to embark on an exciting new mission.