When did Horizon Season 27 Episode 19 air?
Horizon Season 27 Episode 19 aired on June 11, 1990.


Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.
Horizon examines the possibility of scientists, either intentionally or unintentionally, creating living forms which could enjoy an independent existence, initially confined to computers and telephone networks, and in the form of computer viruses.
Direct answers for episode-level questions and details.
Horizon Season 27 Episode 19 aired on June 11, 1990.
This episode runs for approximately 60 minutes.
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