Octonauts - Season 3 Episode 5 The Humpback Whales
When a sardine swallows the key to a treasure chest, a humpback whale helps Kwazii track it down.
- Genre: Kids, Animation, Action & Adventure
- Studio: CBeebies, Tencent Video
- Keyword: submariner, oceans rescue, anthropomorphic animal, animation, discovery kids
- Cast: