When did Horizon Season 9 Episode 25 air?
Horizon Season 9 Episode 25 aired on October 26, 1972.


Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.
This episode of Horizon illustrates the ideas of Prof. W.G. Hoskins on the development of the English landscape from Iron Age times to the present.
Direct answers for episode-level questions and details.
Horizon Season 9 Episode 25 aired on October 26, 1972.
This episode runs for approximately 60 minutes.
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