The Octonauts head to the kelp forest to visit Shellington's sister, Pearl, and her newborn son Periwinkle - only to find the forest endangered by an infestation of kelp-eating urchins!
| Title | Octonauts - Season 3 Episode 18 The Urchin Invasion |
|---|---|
| Year | 2023 |
| Genre | Kids, Animation, Action & Adventure |
| Country | Ireland, United Kingdom, United States of America |
| Studio | CBeebies |
| Cast | |
| Crew | |
| Alternative Titles | The Octonauts, 海底小纵队, 海底小纵队, 바다 탐험대 옥토넛, 바다탐험대 옥토넛 |
| Keyword | submariner, oceans rescue, anthropomorphic animal, animation, discovery kids |
| First Air Date | Oct 04, 2010 |
| Last Air date | Mar 31, 2023 |
| Season | 5 Season |
| Episode | 143 Episode |
| Runtime | 15:14 minutes |
| Quality | HD |
| IMDb: | 6.80/ 10 by 40.00 users |
| Popularity | 61.642 |
| Language | English |
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