When did NOVA Season 30 Episode 2 air?
NOVA Season 30 Episode 2 aired on October 1, 2002 at 9 PM ET.


PBS' premier science series helps viewers of all ages explore the science behind the headlines. Along the way, NOVA demystifies science and technology, and highlights the people involved in scientific pursuits.

Toxic caverns teaming with strange life-forms spark a brand new theory about how caves form.
Direct answers for episode-level questions and details.
NOVA Season 30 Episode 2 aired on October 1, 2002 at 9 PM ET.
This episode runs for approximately 55 minutes.
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