. >> reporter: at the helm of the project, award-winning filmmaker dawn porter, who has chronicled pivotal moments and people in american history, like civil rights icon john lewis in the critically acclaimed documentary "good trouble." >> get in trouble, good trouble, necessary trouble! >> what led you to look at title ix? >> you know, title ix is one of the most misunderstood civil rights laws. it just says, no person shall be discriminated against in education. but something so simple has had an outsized impact for women and girls in education. >> reporter: the law has evolved to help fight sexual harassment and discrimination, along with paving the way for women in sports. but its existence has also been met with challenges. >> part of the reason that it's known as a sports law, the biggest backlash was from big coaches at big universities. and they thought, this is going to ruin athletics for men. >> reporter: before title ix, around 32,000 women played sports in college. in 2020, that number soaring to more than 200,000. >> the idea that we could help remind younger women of the batt