Octonauts Season 3 Episode 5 The Humpback Whales ( Air Date 2013-09-10 ) Genre Kids, Animation, Action & Adventure category. Overview "When a sardine swallows the key to a treasure chest, a humpback whale helps Kwazii track it down.".
Octonauts Season 3 Episode 5 The Humpback Whales
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- Watch: Octonauts Season 3 Episode 5 The Humpback Whales on CWR-CRB
- Stars: Keith Wickham, Simon Greenall, Jo Wyatt, Rob Rackstraw
- Director:
