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Preview: Season 37 Episode 11 | 30s
Learn how medieval builders raised Gothic cathedrals to such spectacular heights.
Aired: 10/18/10
The full episode is no longer available for online streaming. Why?
Please continue to enjoy extra(s) from this episode. The full episode is still available for purchase through the "Buy Now" links.
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Parenting is full of obstacles that can be hard to navigate—even without a toddler yelling at your face. There’s no instruction manual, which means discerning fact from fiction and reasonable from ridiculous can be maddening. That’s where Parentalogic comes in, a digital series from NOVA and PBS Digital Studios.
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