Netflix's 'The Man with 1000 Kids' is about a prolific Danish sperm donor. Mothers who say he tricked them 'just want him to stop.'

• Netflix's "The Man with 1000 Kids" is about a prolific Danish sperm donor, Jonathan Jacob Meijer.
• In April 2023, Meijer was banned by a Dutch court from being a sperm donor.
• Subjects in the docuseries claim that he has donated to fertility clinics worldwide.

Netflix's latest docuseries, "The Man with 1000 Kids," raises questions about the ethics of sperm donation by telling the story of a man who claims to have fathered 550 children. Some mothers who have used Jonathan Jacob Meijer's sperm claim the number is much higher.