Actors
Ross Breen , Teresa Gallagher , Simon Greenall , Shelley Longworth , Mary Murphy , Michael Murphy , Paul Panting , Rob Rackstraw , Keith Wickham , Jo Wyatt
About
Download The Octonauts and the Urchin Invasion Season 3 Episode 18 for free on Utubemate.com. The Octonauts and the Urchin Invasion Season 3 Episode 18, Animation releasing in language. Know about TV show reviews, lead cast & crew, photos & video gallery on uTubeMate.com.
Story
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! Lionsmane Jelly: A lionsmane jellyfish gets its long and stingy tentacles tangled in the bubble engine, unintentionally flooding the Octopod and causing havoc.
