When did Horizon Season 34 Episode 13 air?
Horizon Season 34 Episode 13 aired on October 9, 1997.


Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.
Horizon presents a documentary about scientists who now believe that viruses that can kill bacteria, known as bacteriophage, might win the fight against super-germs.
Direct answers for episode-level questions and details.
Horizon Season 34 Episode 13 aired on October 9, 1997.
This episode runs for approximately 60 minutes.
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