Season 4

E1. Solar Storm

Feb 19, 2024 · 11m

A solar storm throws off some whales’ senses of direction, as well as the Octonauts.

E2. Frigatebird

Feb 19, 2024 · 11m

Tracker and Kwazii help some fish whose food keeps getting stolen by a frigatebird.

E3. Madagascar Tsingy

Feb 19, 2024 · 11m

When Selva encounters an injured creature, Peso journeys to provide medical aid.

E4. Permafrost Problem

Feb 19, 2024 · 11m

The Octonauts help when they discover melting permafrost endangering an ecosystem.

E5. Mudslide

Feb 19, 2024 · 11m

When a rainstorm surges, the Octonauts contend with an oncoming mudslide.

E6. Honeybees

Feb 19, 2024 · 11m

The Octonauts help a colony of honeybees that are trapped in a sinking tree.

E7. Boiling River

Feb 19, 2024 · 11m

While in search of a boiling river, Kwazii and Paani meet some tamarin monkeys.

E8. Kalahari Copycat

Feb 19, 2024 · 11m

When a fire threatens a meerkat burrow, the Octonauts must put it out.

E9. Ringed Seals

Feb 19, 2024 · 11m

Arctic ringed seals are threatened when warming temperatures diminish their snow caves.

E10. Alpine Swift

Feb 19, 2024 · 11m

The Octonauts assist an alpine swift to catch up with its flock.

E11. Elephant Swim Lesson

Feb 19, 2024 · 11m

A baby elephant separated from its herd needs the Octonauts' help swimming to safety.

E12. Hazardous Habitats

Feb 19, 2024 · 11m

While collecting pictures, Dashi and Shellington get trapped in a flooding cave.

E13. Iguazu Falls

Feb 19, 2024 · 11m

The Octonauts must clear a logjam while protecting a family of birds.

E14. Arctic Blizzard

Feb 19, 2024 · 11m

When a blizzard hits, Captain Barnacles will need to use all his Arctic survival tactics.

E15. Gobi Desert

Feb 19, 2024 · 11m

A replanting mission is interrupted when a gazelle goes missing just as a sandstorm hits.

E16. Caddisfly Silk

Feb 19, 2024 · 11m

On a mission to study caddisfly silk, Bud and Paani get washed down a river.

E17. Mudflat Mission

Feb 19, 2024 · 11m

The Octonauts help rebuild some mudflats while reuniting a lost bird with its flock.

E18. Lost Bottlenose Dolphins

Feb 19, 2024 · 11m

Two dolphins get stuck in a coastal saltwater lake during low tide.

E19. Desert Creatures

Feb 19, 2024 · 11m

Kwazii and Periwinkle try to help a bird found in the Sonoran Desert.

E20. Hawaiian Monk Seals

Feb 19, 2024 · 11m

The Octonauts must repair a coral reef protecting a lagoon from surrounding sharks.

E21. Great Pacific Clean-up

Feb 19, 2024 · 11m

The Octonauts and Octo-Agents work together to clean up the Great Pacific Garbage Patch.

E22. Volcano Sharks

Feb 19, 2024 · 11m

When the underwater Kavachi volcano erupts, Ryla calls on the Octonauts to help.

E23. Billabong Mystery

Feb 19, 2024 · 11m

Tracker and Koshi’s bird-studying mission is upended when a mysterious egg appears.

E24. Spider Crab Surprise

Feb 19, 2024 · 11m

The Octonauts identify a mysterious creature that turns out to be a spider crab in need.

E25. Mysterious Webs

Feb 19, 2024 · 11m

When the Reef Base’s power is knocked out, Octo-Agents lead the charge to restore it.