Secrets Underground

California's Hidden Doomsday

Channel
Discovery .Science

Starts
Sat 1 Aug 2026, 04:00

Ends
Sat 1 Aug 2026, 05:00

Category
News & Documentary

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Start time
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About this programme

Rob heads to California to investigate a network for major fault lines that could set off a mega-quake. Plus, he explores a mysterious sinkhole.

Other airings

Sat 1 Aug
05:00Secrets UndergroundDiscovery .Science Tue 4 Aug
04:00Secrets Underground
Great Lakes Bermuda TriangleDiscovery .Science Tue 4 Aug
05:00Secrets Underground
Legend Of The Nazi GoldDiscovery .Science Wed 5 Aug
04:00Secrets Underground
King Solomon's TreasuresDiscovery .Science Wed 5 Aug
05:00Secrets Underground
Doomsday Volcano MysteryDiscovery .Science Thu 6 Aug
04:00Secrets Underground
Atlantis In AmericaDiscovery .Science Thu 6 Aug
05:00Secrets Underground
Mystery Of The Ice CaveDiscovery .Science Fri 7 Aug
04:00Secrets Underground
Lost Pirate City Of TreasureDiscovery .Science Fri 7 Aug
05:00Secrets UndergroundDiscovery .Science

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