When did Horizon Season 3 Episode 9 air?
Horizon Season 3 Episode 9 aired on April 24, 1966.


Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.
The location of the historic city of Troy was finally pinned down by the researches of Carl Blegen. By A.D. 2,000, more than half the world's population may be living in cities. The population of some of them may exceed 60 million. This is one of the main preoccupations of the World Institute of Ekistics.
Direct answers for episode-level questions and details.
Horizon Season 3 Episode 9 aired on April 24, 1966.
This episode runs for approximately 60 minutes.
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