I Didn't Know That Episode Rating Graph poster

I Didn't Know That Episode Rating Graph

Oct 2007 - Jun 2010

4.3

I Didn't Know That Episode Rating Graph poster

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Industrial scientists Richard Ambrose and Jonny Phillips find extraordinary facts behind ordinary everyday objects.

Best Episodes of I Didn't Know That

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Worst Episodes of I Didn't Know That

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I Didn't Know That Episode Guide