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Octonauts

Animation

Children's: Factual

Animated deep sea adventures with Captain Barnacles and his band of explorers

Join an adventurous team of underwater explorers as they dive into action, rescuing all sorts of amazing sea creatures and trying their best to protect the ocean.

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CBBC HD

Octonauts: Series 3: Episode 18: Urchin Invasion

Urchin Invasion

Episode 18

Episode 18: Urchin Invasion

Octonauts - CBeebies - BBC

The Octonauts find the kelp forest endangered by an infestation of kelp-eating urchins!

Animated deep sea adventures. The Octonauts head to the kelp forest to visit Shellington's sister Pearl and her newborn son Periwinkle.

Animated deep sea adventure series. Captain Barnacles and his intrepid band of explorers roam the oceans in search of adventure and fun. 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!

Octonauts: Series 3

Series 3

The UK's most watched and most loved channel for the under-sixes.

The UK's most watched and most loved channel for the under-sixes, dedicated to delighting and surprising its pre-school audience.

Animated deep sea adventure series. Captain Barnacles and his intrepid band of explorers roam the oceans in search of adventure and fun

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Octonauts

Series 3

Episode 18: Urchin Invasion

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