Respected mainstream journalist, Lester Holt capitalizes on exclusive access to restricted sites, traveling from Area 51 in Nevada to deep inside the Vatican secret archives, interviewing informants, Washington decision-makers, former top military personnel and leading experts.

Among the explosive findings:

* A mandible thought to be not of this world: Potential evidence that alien life was hidden by the United States government at Wright-Patterson Air Force base.

* High level informant who describes huge underground tunnels beneath military installations. Victims (including former U.S. military personnel) of unauthorized government experimentation.

* A former US Air Force pilot ordered to shoot down a UFO in England.

Experts interviewed for the show include John Podesta, Former White House Chief of Staff.