Octonauts Season 4 features a dynamic group of animal explorers who embark on oceanic adventures, save marine life, and advocate for ocean preservation from their headquarters, the Octopod. The fourth ...

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

Octonauts Series 4: 13. Octonauts and the Tiger Shark Preschool animation. Tweak must help her friend Sandy the sea turtle escape a hungry tiger shark.

Series 4: 15. Octonauts and the Coelacanth Series 4: 16. Octonauts and the Surfing Snail When surfing snails are swept out to sea by a huge wave, it's up to Dashi to save them.

Streaming platforms for The Octonauts Season 4: Sea Monster Trouble haven’t been announced yet. Check back soon for updates on where you can watch it online.