The Sperminator is a documentary about the life of Ari Nagel, a math professor in Brooklyn, New York with a surprising hobby: helping women get pregnant by donating his sperm, free of charge. What started as a simple favor assisting a friend get pregnant has turned into a calling for Nagel, who now has nearly 30 children — and no plans of stopping.Equal parts peculiar and heartwarming, The Sperminator explores the new meaning of Family and Fatherhood in the modern age.