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8 Seasons
S1 E5

Mystery in Mammoth Cave

Phil and Jessica head to Mammoth Cave to learn about a strange phenomenon -- could something unspeakable be lurking in the old cave, or is it merely a trick of the brain?

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Seasons

Episode   1

Mothman Phenomenon

Episode   2

Cambodia’s Jungle Monster

Episode   3

Terror on Doll Island

Episode   4

Mystery in Mammoth Cave

Episode   5

Mt. Adams’ UFO Encounters

Episode   6

The Amazon's Cursed Ruins

Episode   7

Lake of the Dead