The Lost Secret of Catherine the Great - 2003 TV was released on:
Belgium: 27 January 2003 (premiere)
Finland: 5 June 2003
USA: 3 November 2003 (Hofstra University Russian Film Festival)
Ireland: 13 October 2004 (Cork International Film Festival)
Bulgaria: 12 March 2005 (Sofia International Film Festival)
Secrets of the Great Plague - 2006 TV was released on:
USA: 28 August 2006
The Great Plague of 1918 - 1982 was released on: USA: 1982
Asylum of Secrets Chapter 1 - 2015 was released on: USA: 2015
Travel Channel Secrets Of - 2002 Dollywood was released on: USA: 24 March 2003
Nasca Lines The Buried Secrets - 2010 TV was released on: USA: 1 March 2010 (TV premiere)
Unearthing Ancient Secrets - 2009 The Sphinx Unmasked 1-8 was released on: USA: 27 April 2009
Unearthing Ancient Secrets - 2009 Secrets of the Great Plague 1-6 was released on: USA: 23 February 2009
The Great Adventure - 1963 Plague 1-19 was released on: USA: 28 February 1964
Crime Scene Secrets Great Heists - 2001 was released on: USA: 21 January 2001
University Hospital - 1995 Secrets Great and Small 1-1 was released on: USA: 16 January 1995
A Plague on Our Children - 1979 was released on: USA: 1979
The Great Plague of 1918 - 1982 was released on: USA: 1982
Sins and Secrets - 2012 was released on: USA: 2012
Suburban Secrets - 2008 was released on: USA: 2008
American Secrets - 2014 was released on: USA: 2014
Secrets - 1991 was released on: USA: 1 March 1991
Secrets - 2014 SUSPENDED was released on: USA: 2014
Sara's Secrets - 2001 was released on: USA: 2001