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.
Previously on TV
Secrets Underground
Mystery Of The Ice Cave
Previously shown on Discovery .Science on Fri 11 Sep 2026 at 04:00.
This showing has ended
This showing was on Discovery .Science at 04:00 on Fri 11 Sep 2026. See future airings below or open the main programme page for the latest TV times.
Airing details
ChannelDiscovery .Science
StartsFri 11 Sep 2026, 04:00
EndsFri 11 Sep 2026, 05:00
Episode / edition: Mystery Of The Ice Cave
SkySky Q / Satellite167