When did Horizon Season 21 Episode 15 air?
Horizon Season 21 Episode 15 aired on May 7, 1984.


Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.
Horizon investigates the military bias of British scientific industries and the possible consequences if the bias continues.
Direct answers for episode-level questions and details.
Horizon Season 21 Episode 15 aired on May 7, 1984.
This episode runs for approximately 60 minutes.
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