When did Nature Season 21 Episode 4 air?
Nature Season 21 Episode 4 aired on November 17, 2002 at 8 PM ET.


Consistently stunning documentaries transport viewers to far-flung locations ranging from the torrid African plains to the chilly splendours of icy Antarctica. The show's primary focus is on animals and ecosystems around the world. A comic book based on the show, meant to be used an as educational tool for kids, was briefly distributed to museums and schools at no cost in the mid-2000s.

A filmmaker goes in search of the scary and fascinating creatures that feed on blood in NATURE's BLOODY SUCKERS.
Direct answers for episode-level questions and details.
Nature Season 21 Episode 4 aired on November 17, 2002 at 8 PM ET.
This episode runs for approximately 53 minutes.
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