S4·E18 Octonauts and the Hippos
Core
Aired September 20, 2017
Synopsis
Trying to return home from a mission along an African river, the Octonauts have trouble getting past a gang of large, mud-splatting, territorial hippos.
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Frequently Asked Questions
When did Season 4 Episode 18 of Octonauts air?
Season 4, Episode 18 ('Octonauts and the Hippos') originally aired on September 20, 2017.
How long is Season 4 Episode 18 ('Octonauts and the Hippos')?
The episode follows the standard broadcast runtime for Octonauts.
What happens in Octonauts Season 4 Episode 18?
Trying to return home from a mission along an African river, the Octonauts have trouble getting past a gang of large, mud-splatting, territorial hippos....