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The Real Boston Strangler
Special • 2017
Handyman Albert De Salvo confesses to murdering 13 women, but evidence creates doubt.
Ghosts of the Russian Royal Family
Special • 2017
Investigating the disappearance of Russia's last tsar, Nicholas II, and his family.
Dark Secrets of the CIA
Special • 2017
The CIA's efforts to expose the public to biological agents, hallucinogenic drugs and mind control.
Roswell UFO Secrets
Special • 2017
In 1947, the U.S. Army claims to have recovered a flying disk in New Mexico, then denies it.
Area 51: The CIA’s Secret
Special • 2014
The history of the base's development, up-to-date information and expert interviews.
Stream
UFOs: Investigating the Unknown
Series • 2023
Season 1 • Episode 1
The U.S. Government's secret Pentagon program on UFOs is exposed.
Stream
UFOs: Investigating the Unknown
Series • 2023
Season 1 • Episode 2
Project Blue Book is launched to study the country's growing UFO problem.
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UFOs: Investigating the Unknown
Series • 2023
Season 1 • Episode 3
U.S. nuclear missiles malfunction after a close encounter with UFOs.
Stream
UFOs: Investigating the Unknown
Series • 2023
Season 1 • Episode 4
More military and commercial pilots are reporting seeing UAPs in flight.
Full Nat Geo Schedule