Overview
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!
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3 - 1The Siphonophore September 04, 2013 -
3 - 2The Water Bears September 05, 2013 -
3 - 3The Cone Snail September 06, 2013 -
3 - 4The Artificial Reef September 09, 2013 -
3 - 5The Humpback Whales September 10, 2013 -
3 - 6The Pelicans September 11, 2013 -
3 - 7The Sea Pigs September 12, 2013 -
3 - 8The Yeti Crab September 13, 2013 -
3 - 9The Barracudas March 10, 2014 -
3 - 10The Duck-Billed Platypus March 11, 2014 -
3 - 11The Sea Skaters March 12, 2014 -
3 - 12The Mudskippers March 13, 2014 -
3 - 13The Harbour Seal March 14, 2014 -
3 - 14The Lion's Mane Jellyfish March 17, 2014 -
3 - 15The Red Rock Crabs March 18, 2014 -
3 - 16The Sea Sponge March 19, 2014 -
3 - 17The Immortal Jellyfish March 20, 2014 -
3 - 18The Urchin Invasion March 21, 2014 -
3 - 19The Hammerhead Sharks September 21, 2015 -
3 - 20The Loggerhead Sea Turtle September 22, 2015