Seasons & episodes
S4 · E1Solar Storm 2024-02-19 · 11 min
A solar storm throws off some whales’ senses of direction, as well as the Octonauts.
S4 · E2Frigatebird 2024-02-19 · 11 min
Tracker and Kwazii help some fish whose food keeps getting stolen by a frigatebird.
S4 · E3Madagascar Tsingy 2024-02-19 · 11 min
When Selva encounters an injured creature, Peso journeys to provide medical aid.
S4 · E4Permafrost Problem 2024-02-19 · 11 min
The Octonauts help when they discover melting permafrost endangering an ecosystem.
S4 · E5Mudslide 2024-02-19 · 11 min
When a rainstorm surges, the Octonauts contend with an oncoming mudslide.
S4 · E6Honeybees 2024-02-19 · 11 min
The Octonauts help a colony of honeybees that are trapped in a sinking tree.
S4 · E7Boiling River 2024-02-19 · 11 min
While in search of a boiling river, Kwazii and Paani meet some tamarin monkeys.
S4 · E8Kalahari Copycat 2024-02-19 · 11 min
When a fire threatens a meerkat burrow, the Octonauts must put it out.
S4 · E9Ringed Seals 2024-02-19 · 11 min
Arctic ringed seals are threatened when warming temperatures diminish their snow caves.
S4 · E10Alpine Swift 2024-02-19 · 11 min
The Octonauts assist an alpine swift to catch up with its flock.
S4 · E11Elephant Swim Lesson 2024-02-19 · 11 min
A baby elephant separated from its herd needs the Octonauts' help swimming to safety.
S4 · E12Hazardous Habitats 2024-02-19 · 11 min
While collecting pictures, Dashi and Shellington get trapped in a flooding cave.
S4 · E13Iguazu Falls 2024-02-19 · 11 min
The Octonauts must clear a logjam while protecting a family of birds.
S4 · E14Arctic Blizzard 2024-02-19 · 11 min
When a blizzard hits, Captain Barnacles will need to use all his Arctic survival tactics.
S4 · E15Gobi Desert 2024-02-19 · 11 min
A replanting mission is interrupted when a gazelle goes missing just as a sandstorm hits.
S4 · E16Caddisfly Silk 2024-02-19 · 11 min
On a mission to study caddisfly silk, Bud and Paani get washed down a river.
S4 · E17Mudflat Mission 2024-02-19 · 11 min
The Octonauts help rebuild some mudflats while reuniting a lost bird with its flock.
S4 · E18Lost Bottlenose Dolphins 2024-02-19 · 11 min
Two dolphins get stuck in a coastal saltwater lake during low tide.
S4 · E19Desert Creatures 2024-02-19 · 11 min
Kwazii and Periwinkle try to help a bird found in the Sonoran Desert.
S4 · E20Hawaiian Monk Seals 2024-02-19 · 11 min
The Octonauts must repair a coral reef protecting a lagoon from surrounding sharks.
S4 · E21Great Pacific Clean-up 2024-02-19 · 11 min
The Octonauts and Octo-Agents work together to clean up the Great Pacific Garbage Patch.
S4 · E22Volcano Sharks 2024-02-19 · 11 min
When the underwater Kavachi volcano erupts, Ryla calls on the Octonauts to help.
S4 · E23Billabong Mystery 2024-02-19 · 11 min
Tracker and Koshi’s bird-studying mission is upended when a mysterious egg appears.
S4 · E24Spider Crab Surprise 2024-02-19 · 11 min
The Octonauts identify a mysterious creature that turns out to be a spider crab in need.