When did Horizon Season 29 Episode 9 air?
Horizon Season 29 Episode 9 aired on March 9, 1992.


Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.
Horizon presents the life and work of mathematician Dr. Alan Turing.
Direct answers for episode-level questions and details.
Horizon Season 29 Episode 9 aired on March 9, 1992.
This episode runs for approximately 60 minutes.
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