Best New Documentary on Women's History

What documentary on women's history, first aired in 2011, do you consider the best? What would you recommend to others to see? Included are any film or cable or other television documentaries about a famous woman's life or an episode in women's history, or that otherwise is focused primarily on women's experience in history.

To count, the documentary must have a 2011 publication date or have been aired first in 2011. You can nominate one to three here.

_{Next category: Favorite New Movie/TV: Women's History Fictionalized
More nominations: 2012 Readers' Choice Awards for Women's History}