When did Horizon Season 47 Episode 6 air?
Horizon Season 47 Episode 6 aired on November 17, 2009.
Horizon
Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.
Season 47 · Episode 6
How Long is a Piece of String?
Nov 17, 2009·1h
Alan Davies attempts to answer the proverbial question: how long is a piece of string? But what appears to be a simple task soon turns into a mind-bending voyage of discovery where nothing is as it seems.
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How long is Horizon Season 47 Episode 6?
This episode runs for approximately 60 minutes.
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