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HISTORY VAULT

The team analyzes NASA footage of reported UFOs and alien presence.

UFO Hunters

The NASA Files

Believers say that the sighting of 12 UFOs on radar triggered a military alert at Edwards Air Force Base in California on Oct. 7, 1965.

Code Red

The top destination for all things history.

HISTORYCHANNEL

Jet fighter pilots from Peru and Iran provide accounts of encounters with UFOs.

UFO Dogfights

The team conducts interviews and analyzes video footage shot after strange lights began appearing in the skies over Texas in December 2007.

Invasion Texas 2008

The team finds people who tell of having contact with aliens, then works with doctors and scientists to discover what happened to them.

Alien Contact

Researchers investigate theories about the existence of UFO gateways in New York's Hudson Valley and the Arizona desert.

UFO Vortexes

The team investigates reports that wreckage from UFO crashes has been used for reverse engineering.

Reverse Engineering

Police officers tell of their own, unbelievable but substantiated, encounters with UFOs.

Cops vs. UFOs

Investigating reports of encounters between UFOs and the military; 1980 Rendlesham Forest incident in England; RAF incident in 1956.

Military vs. UFOs

Coinciding crashes of a UFO and a civilian aircraft in 1974 Mexico and the ambush of a military convoy; 2007 reports of debris falling from the sky in Mexico.

Crash and Retrieval

A purported alien abduction survivor undergoes surgery to have an implant removed for study by scientists trying to determine its origin and composition.

Abductions

The team searches the waters off Catalina Island for the wreckage of a plane whose 1990 crash was blamed on a strange undersea object.

USOs

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S1 E7 | Reverse Engineering