Season 4

1. Solar Storm

2024-02-19 · 11m

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

2. Frigatebird

2024-02-19 · 11m

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

3. Madagascar Tsingy

2024-02-19 · 11m

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

4. Permafrost Problem

2024-02-19 · 11m

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

5. Mudslide

2024-02-19 · 11m

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

6. Honeybees

2024-02-19 · 11m

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

7. Boiling River

2024-02-19 · 11m

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

8. Kalahari Copycat

2024-02-19 · 11m

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

9. Ringed Seals

2024-02-19 · 11m

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

10. Alpine Swift

2024-02-19 · 11m

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

11. Elephant Swim Lesson

2024-02-19 · 11m

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

12. Hazardous Habitats

2024-02-19 · 11m

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

13. Iguazu Falls

2024-02-19 · 11m

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

14. Arctic Blizzard

2024-02-19 · 11m

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

15. Gobi Desert

2024-02-19 · 11m

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

16. Caddisfly Silk

2024-02-19 · 11m

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

17. Mudflat Mission

2024-02-19 · 11m

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

18. Lost Bottlenose Dolphins

2024-02-19 · 11m

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

19. Desert Creatures

2024-02-19 · 11m

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

20. Hawaiian Monk Seals

2024-02-19 · 11m

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

21. Great Pacific Clean-up

2024-02-19 · 11m

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

22. Volcano Sharks

2024-02-19 · 11m

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

23. Billabong Mystery

2024-02-19 · 11m

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

24. Spider Crab Surprise

2024-02-19 · 11m

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

25. Mysterious Webs

2024-02-19 · 11m

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