The series
The Octonauts expand their exploration beyond the sea -- and onto land! With new rides and new friends, they'll protect any habitats and animals at risk.
Episodes
Season 4 · 25 episodes · 2024
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Episode 119 Feb 202411m
Solar Storm
A solar storm throws off some whales’ senses of direction, as well as the Octonauts.
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Episode 219 Feb 202411m
Frigatebird
Tracker and Kwazii help some fish whose food keeps getting stolen by a frigatebird.
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Episode 319 Feb 202411m
Madagascar Tsingy
When Selva encounters an injured creature, Peso journeys to provide medical aid.
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Episode 419 Feb 202411m
Permafrost Problem
The Octonauts help when they discover melting permafrost endangering an ecosystem.
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Episode 519 Feb 202411m
Mudslide
When a rainstorm surges, the Octonauts contend with an oncoming mudslide.
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Episode 619 Feb 202411m
Honeybees
The Octonauts help a colony of honeybees that are trapped in a sinking tree.
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Episode 719 Feb 202411m
Boiling River
While in search of a boiling river, Kwazii and Paani meet some tamarin monkeys.
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Episode 819 Feb 202411m
Kalahari Copycat
When a fire threatens a meerkat burrow, the Octonauts must put it out.
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Episode 919 Feb 202411m
Ringed Seals
Arctic ringed seals are threatened when warming temperatures diminish their snow caves.
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Episode 1019 Feb 202411m
Alpine Swift
The Octonauts assist an alpine swift to catch up with its flock.
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Episode 1119 Feb 202411m
Elephant Swim Lesson
A baby elephant separated from its herd needs the Octonauts' help swimming to safety.
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Episode 1219 Feb 202411m
Hazardous Habitats
While collecting pictures, Dashi and Shellington get trapped in a flooding cave.
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Episode 1319 Feb 202411m
Iguazu Falls
The Octonauts must clear a logjam while protecting a family of birds.
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Episode 1419 Feb 202411m
Arctic Blizzard
When a blizzard hits, Captain Barnacles will need to use all his Arctic survival tactics.
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Episode 1519 Feb 202411m
Gobi Desert
A replanting mission is interrupted when a gazelle goes missing just as a sandstorm hits.
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Episode 1619 Feb 202411m
Caddisfly Silk
On a mission to study caddisfly silk, Bud and Paani get washed down a river.
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Episode 1719 Feb 202411m
Mudflat Mission
The Octonauts help rebuild some mudflats while reuniting a lost bird with its flock.
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Episode 1819 Feb 202411m
Lost Bottlenose Dolphins
Two dolphins get stuck in a coastal saltwater lake during low tide.
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Episode 1919 Feb 202411m
Desert Creatures
Kwazii and Periwinkle try to help a bird found in the Sonoran Desert.
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Episode 2019 Feb 202411m
Hawaiian Monk Seals
The Octonauts must repair a coral reef protecting a lagoon from surrounding sharks.
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Episode 2119 Feb 202411m
Great Pacific Clean-up
The Octonauts and Octo-Agents work together to clean up the Great Pacific Garbage Patch.
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Episode 2219 Feb 202411m
Volcano Sharks
When the underwater Kavachi volcano erupts, Ryla calls on the Octonauts to help.
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Episode 2319 Feb 202411m
Billabong Mystery
Tracker and Koshi’s bird-studying mission is upended when a mysterious egg appears.
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Episode 2419 Feb 202411m
Spider Crab Surprise
The Octonauts identify a mysterious creature that turns out to be a spider crab in need.
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Episode 2519 Feb 202411m
Mysterious Webs
When the Reef Base’s power is knocked out, Octo-Agents lead the charge to restore it.
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