Area 51 becomes a symbol of secrecy within the U.S. military-intelligence system.
UFOs: Then and Now - Cause for Alarm
Beyond The War Of The Worlds
Brazil's Roswell
Britain's Roswell
UFOs: Then and Now - Aliens and Contact
Deep Sea UFOs: Red Alert
Area 51: Beyond Top Secret
Mexico's Roswell
Majestic Twelve UFO Cover-Up
Out of This World
Alien Engineering Part 1
Alien Engineering Part 2
Delete Me
The Gray's Agenda
China's Roswell
Deep Sea UFOs
UFOs: Then and Now - The Innocent Years
An Alien History of Planet Earth
Ancient Aliens
Area 51
Cattle Mutilations
UFOs of the 70's
Britain's X-Files
Kecksburg UFO
Roswell: Final Declassification
Roswell: Roswell Secrets Unveiled
Real UFOs
Texas' Roswell
The Day After Roswell
Pacific Bermuda Triangle
UFOs: Then and Now? Cause for Alarm:
When UFOs Arrive
Soviet UFO Secrets Revealed
Then and Now: Nightmare
UFO Cults
Ufo Hot Spots
UFOs and the White House
UFOs vs. The Government: