When did Horizon Season 9 Episode 29 air?
Horizon Season 9 Episode 29 aired on November 23, 1972.


Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.
This epidsode of Horizon reports on how a group of zoologists at Oxford Scientific Films in England makes films.
Direct answers for episode-level questions and details.
Horizon Season 9 Episode 29 aired on November 23, 1972.
This episode runs for approximately 60 minutes.
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