Octonauts Season 3 Episode 19 The Hammerhead Sharks ( Air Date 2015-09-21 ) Genre Kids, Animation, Action & Adventure category. Overview "The Octonauts meet some hammerheaded sharks, however, they can't sleep too well because Shellington and Professor Inkling have been arguing about who is smarter that they are no longer friends.".
Octonauts Season 3 Episode 19 The Hammerhead Sharks
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- Watch: Octonauts Season 3 Episode 19 The Hammerhead Sharks on CWR-CRB
- Stars: Keith Wickham, Simon Greenall, Jo Wyatt, Rob Rackstraw
- Director:
