When did Horizon Season 7 Episode 23 air?
Horizon Season 7 Episode 23 aired on September 7, 1970.
Horizon
Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.
Season 7 · Episode 23
Noah's Ark in Kensington
Sep 7, 1970·1h
Horizon brings you the history and modern day functions of the Natural History museum in Kensington, Britain.
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How long is Horizon Season 7 Episode 23?
This episode runs for approximately 60 minutes.
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