About this showing of Expedition X
Video captured by the U.S. Navy triggers Jess and Phil's investigation into mysterious, supersonic craft flying above the waters off California's Catalina Island.
Previously on TV
Expedition X
Aliens Of The Deep
Previously shown on Discovery .History on Fri 21 Aug 2026 at 04:00.
This showing has ended
This showing was on Discovery .History at 04:00 on Fri 21 Aug 2026. See future airings below or open the main programme page for the latest TV times.
Airing details
ChannelDiscovery .History
StartsFri 21 Aug 2026, 04:00
EndsFri 21 Aug 2026, 05:00
Episode / edition: Aliens Of The Deep
Next showing of Expedition X
The next currently listed showing is Wed 2 Sep 2026, 23:00 on DMAX.
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