Season 4

2024 · 25 episodes · 4h 35m in all · 10.0/10

1. Solar Storm
19 Feb 2024 · 11 min
A solar storm throws off some whales’ senses of direction, as well as the Octonauts.
2. Frigatebird
19 Feb 2024 · 11 min
Tracker and Kwazii help some fish whose food keeps getting stolen by a frigatebird.
3. Madagascar Tsingy
19 Feb 2024 · 11 min
When Selva encounters an injured creature, Peso journeys to provide medical aid.
4. Permafrost Problem
19 Feb 2024 · 11 min
The Octonauts help when they discover melting permafrost endangering an ecosystem.
5. Mudslide
19 Feb 2024 · 11 min
When a rainstorm surges, the Octonauts contend with an oncoming mudslide.
6. Honeybees
19 Feb 2024 · 11 min
The Octonauts help a colony of honeybees that are trapped in a sinking tree.
7. Boiling River
19 Feb 2024 · 11 min
While in search of a boiling river, Kwazii and Paani meet some tamarin monkeys.
8. Kalahari Copycat
19 Feb 2024 · 11 min
When a fire threatens a meerkat burrow, the Octonauts must put it out.
9. Ringed Seals
19 Feb 2024 · 11 min
Arctic ringed seals are threatened when warming temperatures diminish their snow caves.
10. Alpine Swift
19 Feb 2024 · 11 min
The Octonauts assist an alpine swift to catch up with its flock.
11. Elephant Swim Lesson
19 Feb 2024 · 11 min
A baby elephant separated from its herd needs the Octonauts' help swimming to safety.
12. Hazardous Habitats
19 Feb 2024 · 11 min
While collecting pictures, Dashi and Shellington get trapped in a flooding cave.
13. Iguazu Falls
19 Feb 2024 · 11 min
The Octonauts must clear a logjam while protecting a family of birds.
14. Arctic Blizzard
19 Feb 2024 · 11 min
When a blizzard hits, Captain Barnacles will need to use all his Arctic survival tactics.
15. Gobi Desert
19 Feb 2024 · 11 min
A replanting mission is interrupted when a gazelle goes missing just as a sandstorm hits.
16. Caddisfly Silk
19 Feb 2024 · 11 min · 10.0/10
On a mission to study caddisfly silk, Bud and Paani get washed down a river.
17. Mudflat Mission
19 Feb 2024 · 11 min
The Octonauts help rebuild some mudflats while reuniting a lost bird with its flock.
18. Lost Bottlenose Dolphins
19 Feb 2024 · 11 min
Two dolphins get stuck in a coastal saltwater lake during low tide.
19. Desert Creatures
19 Feb 2024 · 11 min
Kwazii and Periwinkle try to help a bird found in the Sonoran Desert.
20. Hawaiian Monk Seals
19 Feb 2024 · 11 min
The Octonauts must repair a coral reef protecting a lagoon from surrounding sharks.
21. Great Pacific Clean-up
19 Feb 2024 · 11 min
The Octonauts and Octo-Agents work together to clean up the Great Pacific Garbage Patch.
22. Volcano Sharks
19 Feb 2024 · 11 min
When the underwater Kavachi volcano erupts, Ryla calls on the Octonauts to help.
23. Billabong Mystery
19 Feb 2024 · 11 min
Tracker and Koshi’s bird-studying mission is upended when a mysterious egg appears.
24. Spider Crab Surprise
19 Feb 2024 · 11 min
The Octonauts identify a mysterious creature that turns out to be a spider crab in need.
25. Mysterious Webs
19 Feb 2024 · 11 min
When the Reef Base’s power is knocked out, Octo-Agents lead the charge to restore it.