About this showing of Secrets Underground
Beneath the densely populated city of Naples lies a looming threat. A super volcano may be on the verge of erupting and cause an apocalyptic catastrophe.
Previously on TV
Secrets Underground
Doomsday Volcano Mystery
Previously shown on Discovery .History on Wed 26 Aug 2026 at 21:00.
This showing has ended
This showing was on Discovery .History at 21:00 on Wed 26 Aug 2026. See future airings below or open the main programme page for the latest TV times.
Airing details
ChannelDiscovery .History
StartsWed 26 Aug 2026, 21:00
EndsWed 26 Aug 2026, 22:00
Episode / edition: Doomsday Volcano Mystery
Next showing of Secrets Underground
The next currently listed showing is Tue 1 Sep 2026, 21:00 on Discovery .History.
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