About this programme
What really happens at the world's most secret military base? CIA agents and Area 51 employees reveal all about the previously-classified missions they kept covered up. 7+.
TVGuideUK
Programme listing
Secrets Of Area 51 has no further showing currently listed. It was last on National Geographic at 14:00 on Sat 31 Oct 2026.
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What really happens at the world's most secret military base? CIA agents and Area 51 employees reveal all about the previously-classified missions they kept covered up. 7+.