The Fight to Be Male (1981) Online

This is a one hour film from the BBC, from around the mid 70's. The film presents a debate on how the new research has shown to scientists that in several cases, the results attribute the concepts of gender identity to the genetic information that humans carry within them, instead of being something that humans have learned at youth, or by socialization. Several instances are showed in the film that try to demonstrate the influence of hormones in the behavior of humans.

The film's subject covers the "nature" vs. "nurture" debate. As a reference, they used to show this film in HighSchools Students needed to sign Permission Slips in order to view the film.