UFOs: The Lost Evidence

An exploration into whether breakthroughs such as high-energy lasers, antigravity technology and super-advanced aircraft are the result of human efforts alone or contact with UFOs.

Investigators reveal the secret history of U.S. presidents and UFOs, from President Franklin D. Roosevelt's knowledge about a UFO battle over Los Angeles to President John F. Kennedy's alleged plan to share extraterrestrial secrets with the Russians.

Although alien abduction claims are often dismissed as hoaxes or delusions, there are landmark cases that scholars struggle to refute; Calvin Parker retells his harrowing experience of being abducted near the Pascagoula River in Mississippi.

Evidence suggests contact with interstellar travelers in the distant past may have influenced humankind and many of its sacred sites.

Using archival audio recordings, official transcripts and incident reports, UFO researchers investigate what really happened during encounters between law enforcement personnel and UFOs.

Evidence reveals the development of secret Nazi weapons not long after an alleged UFO crashed in Germany's Black Forest; UFO experts investigate whether the U.S. government co-opted this technology for its own space and military programs.