The Unexplained is an American documentary television series that originally aired from 1996 to 2000 on the Biography Channel. The program features various mysteries, paranormal, psychic phenomena, and other topics that are considered to be "unexplained." Some episodes of the series are narrated by Bill Kurtis. Other episodes are narrated by Norm Woodel. The series was produced by Tom Golden a former U.S. Army Counterintelligence Special Agent who retired from the Army after spending 30 years detailed to the CIA. He owns Golden Phoenix Productions of Hot Springs, Arkansas. Golden Phoenix Productions produces a number of award winning reality programs featured on Discovery Channel, A&E Television Network, Investigation Discovery and the History Channel.

Source: Wikipedia.org