About this showing of Secrets Underground
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.
Exact TV airing
Secrets Underground
Mystery Of The Ice Cave
This broadcast aired on Discovery .History on Friday 28 August 2026, 21:00, ending at 22:00.
This airing has ended
This page records the exact Fri 28 Aug 2026 showing. For the next available broadcast, use the current Secrets Underground programme page.
Airing details
ChannelDiscovery .History
StartsFri 28 Aug 2026, 21:00
EndsFri 28 Aug 2026, 22:00
Episode / edition: Mystery Of The Ice Cave
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The next currently listed showing is Mon 31 Aug 2026, 09:00 on Discovery .History.
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