When did Horizon Season 20 Episode 23 air?
Horizon Season 20 Episode 23 aired on December 5, 1983.
Horizon
Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.
Season 20 · Episode 23
Cancer: The Pattern in the Genes
Dec 5, 1983·1h
In this report, Horizon outlines the latest research into cancer with specific reference to oncogenes.
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How long is Horizon Season 20 Episode 23?
This episode runs for approximately 60 minutes.
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