A professor in a sex-education class gives his students a lecture on sexual practices, which are then demonstrated on screen.
Release Date: August 01, 1970
January 01, 1968
April 07, 1972
July 22, 1971
March 25, 1970
June 14, 2002
December 07, 1979
July 14, 1982
February 10, 2007
September 12, 2004
March 27, 2002
October 09, 2008
December 04, 1969
August 08, 2000
September 01, 1972
June 04, 1999
November 09, 2003
August 02, 1996
April 30, 1992
June 10, 2010
June 22, 2013
