When did Horizon Season 34 Episode 9 air?
Horizon Season 34 Episode 9 aired on May 1, 1997.


Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.
Horizon reports on the technical and logistical struggles of teams trying for the first time to circumnavigate the earth by balloon.
Direct answers for episode-level questions and details.
Horizon Season 34 Episode 9 aired on May 1, 1997.
This episode runs for approximately 60 minutes.
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