When did Horizon Season 6 Episode 30 air?
Horizon Season 6 Episode 30 aired on November 10, 1969.


Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.
A report on current research into cancer and the subsequent knowledge and problems it brings.
Direct answers for episode-level questions and details.
Horizon Season 6 Episode 30 aired on November 10, 1969.
This episode runs for approximately 60 minutes.
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