5:00 AM: Secrets Of The Underground (S2 E6) (S2) | Discovery Science | 2/19 2026

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Secrets Of The Underground « at 5:00 AM on Discovery Science

Episode 6

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Published:	2017
Episode:	Mystery Of The Ice Cave

A strange cave freezes in summer and melts in winter, and a huge sand dune swallows a small child in an instant. Rob and Stefan explore these mysteries.

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