Octonauts: Season 4
This season started on September 23, 2015. The table lists episodes with recorded air dates up to September 28, 2026.
| Ep | Title and air date | My place |
|---|---|---|
| 1 | Octonauts and the Poison Dart Frogs · 11 min | |
| 2 | Octonauts and the Hidden Lake · 11 min | |
| 3 | Octonauts and the Octopod Mystery · 11 min | |
| 4 | Octonauts and the Baby Sea Turtles · 11 min | |
| 5 | Octonauts and the Walrus Pups · 11 min | |
| 6 | Octonauts and the Mantis Shrimp · 11 min | |
| 7 | Octonauts and the Loneliest Whale · 11 min | |
| 8 | Octonauts and the Tree Lobsters · 11 min | |
| 9 | Octonauts and the Convict Fish · 11 min | |
| 10 | Octonauts and the Emperor Penguins · 11 min | |
| 11 | Octonauts and the Crawfish · 11 min | |
| 12 | Octonauts and the Flamingos · 11 min | |
| 13 | Octonauts and the Tiger Shark · 11 min | |
| 14 | Octonauts and the Sunfish · 11 min | |
| 15 | Octonauts and the Coelacanth · 11 min | |
| 16 | Octonauts and the Surfing Snails · 11 min | |
| 17 | Octonauts and the Yellow Bellied Sea Snakes · 11 min | |
| 18 | Octonauts and the Hippos · 11 min | |
| 19 | Octonauts and Operation Cooperation · 11 min | |
| 20 | Octonauts and the Bomber Worms · 11 min | |
| 21 | Octonauts and the Kelp Monster Mystery · 11 min | |
| 22 | Octonauts and the Coconut Crisis · 11 min | |
| 23 | Octonauts and the Baby Gator · 11 min | |
| 24 | Octonauts and the Spinner Dolphins · 11 min |
