National Geographic Channel

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  • I DIDN'T KNOW THAT

DESCRIPTION

I Didn't Know That, is an action-packed series that exposes the little-known facts about ordinary items we take for granted.

EPISODE GUIDE

  • I Didn't Know That: Episode 1
    This series exposes the little-known facts about ordinary items we take for granted. Each episode is a mind-blowing cavalcade of crazy demonstrations and rarely heard info about everyday stuff.
  • I Didn't Know That: Episode 5
  • I Didn't Know That: Episode 4
  • I Didn't Know That: Episode 2
  • I Didn't Know That: Episode 3
  • I Didn't Know That: Episode 3
  • I Didn't Know That: Episode 4
  • I Didn't Know That: Episode 5
  • I Didn't Know That: Episode 6
  • I Didn't Know That: Episode 6
  • I Didn't Know That: Episode 3
  • I Didn't Know That: Episode 7
  • I Didn't Know That: Episode 6
  • I Didn't Know That: Episode 8
  • I Didn't Know That: Episode 9
    This series exposes the little-known facts about ordinary items we take for granted. Each episode is a mind-blowing cavalcade of crazy demonstrations and rarely heard info about everyday stuff.
  • I Didn't Know That: Episode 10
    This series exposes the little-known facts about ordinary items we take for granted. Each episode is a mind-blowing cavalcade of crazy demonstrations and rarely heard info about everyday stuff.
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