When did Horizon Season 27 Episode 5 air?
Horizon Season 27 Episode 5 aired on February 5, 1990.


Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.
This report by Horizon presents the Voyager space probe close up encounter with the planet Neptune.
Direct answers for episode-level questions and details.
Horizon Season 27 Episode 5 aired on February 5, 1990.
This episode runs for approximately 60 minutes.
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