When did Horizon Season 3 Episode 8 air?
Horizon Season 3 Episode 8 aired on April 10, 1966.


Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.
Europe's heritage of pictures, statues, and buildings is being destroyed at a frightening rate by atmospheric pollution, but an American scientist has just invented a method of preserving limestone. In 1908, a vast explosion shook the Tungus district of Siberia: was it due to the biggest meteorite ever to hit the earth, or something odder?
Direct answers for episode-level questions and details.
Horizon Season 3 Episode 8 aired on April 10, 1966.
This episode runs for approximately 60 minutes.
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