When did Horizon Season 15 Episode 13 air?
Horizon Season 15 Episode 13 aired on August 4, 1978.
Horizon
Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.
Season 15 · Episode 13
A Whisper From Space
Aug 4, 1978·1h
Horizon explores the history of evidence used to support the Big Bang Theory of the creation of the universe.
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How long is Horizon Season 15 Episode 13?
This episode runs for approximately 60 minutes.
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