Mysterious Life Of Caves

Oct 01, 2002 on PBS at 9:00 PM
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Summary

Toxic caverns teaming with strange life-forms spark a brand new theory about how caves form.

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Killer Disease On Campus
Season 29 Episode 9

Sep 03, 2002

Next episode

Lost Roman Treasure
Season 29 Episode 11

Oct 08, 2002

Guest stars

Edd Gasper