S5·E22 The Hidden World
Core
Aired December 12, 1968 60 min
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Synopsis
In this episode, Horizon reports on the exploration and survey of the oceans of the world.
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Frequently Asked Questions
When did Season 5 Episode 22 of Horizon air?
Season 5, Episode 22 ('The Hidden World') originally aired on December 12, 1968.
How long is Season 5 Episode 22 ('The Hidden World')?
The runtime for this episode is approximately 60 minutes.
What happens in Horizon Season 5 Episode 22?
In this episode, Horizon reports on the exploration and survey of the oceans of the world....
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