Octonauts Season 4 Episode 2 Octonauts and the Hidden Lake ( Air Date 2015-09-24 ) Genre Kids, Animation, Action & Adventure category. Overview "The Octonauts are exploring Antarctica, when Shellington discovers strange microscopic creatures living under the ice.".
Octonauts Season 4 Episode 2 Octonauts and the Hidden Lake
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- Stars: Keith Wickham, Simon Greenall, Jo Wyatt, Rob Rackstraw
- Director:
