Octonauts

Season 3 Episode 18: The Urchin Invasion

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!

Genre:

Animation, Kids

Seasons:

10

Episodes:

274

Actor:

Keith Wickham, Simon Greenall, Jo Wyatt

Quality:

HD

Status:

Returning Series

First Air:

2010

IMDb:

7.2