Michael and Kristine Barnett thought they were adopting a six-year-old little person with a disability from Ukraine. But Natalia had the physical traits of an adult, including pubic hair and a period. Soon the family lived in fear as the girl was threatening to harm them. The Barnetts petitioned a court to declare her an adult and they moved Natalia to her own apartment to live on her own. But police were not convinced Michael and Kristine hadn’t used the system to abandon a special needs child.

From Investigation Discovery and available to stream on Max comes “The Curious Case of Natalia Grace.” With extensive interviews from Michael Barnett, the docuseries explores Natalia’s identity and true age, the family dynamics, and the legal fallout that resulted. Viewers are left to decide whether the Barnetts or Natalia are the actual victims.

OUR SPOILER-FREE REVIEWS OF "THE CURIOUS CASE OF NATALIA GRACE" BEGIN IN THE FINAL TEN MINUTES OF THE EPISODE.

In Crime of the Week: date crashers.