Octonauts Specials Episode 4 The Mariana Trench Adventure ( Air Date 2013-05-27 ) Genre Kids, Animation, Action & Adventure category. Overview "Tweak has designed a brand-new Deep Sea Station to study the deepest, darkest reaches of the ocean, but the Octonauts face multiple challenges: from getting it down there, to the extreme environment and strange, prehistoric creatures that greet them once they arrive.".
Octonauts Specials Episode 4 The Mariana Trench Adventure
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- Stars: Keith Wickham, Simon Greenall, Jo Wyatt, Rob Rackstraw
- Director:
