When did Horizon Season 26 Episode 1 air?
Horizon Season 26 Episode 1 aired on January 9, 1989.


Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.
Horizon looks again at the Human Genome Project which aims to decipher or sequence all genes.
Direct answers for episode-level questions and details.
Horizon Season 26 Episode 1 aired on January 9, 1989.
This episode runs for approximately 60 minutes.
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