“ The Curious Case of Natalia Grace: The Final Chapter ” premieres Monday, Jan. 6, at 9 p.m. ET on Investigation Discovery. Watch the new season for free with a trial from Philo.

Grace was invited to live with Bishop Antwon and Cynthia Mans after she was abandoned. The first two episodes of “The Curious Case of Natalia Grace,” told the story about her adoption, claims that she was an adult and not a minor when abandoned and claims that she was manipulative and predatory.

The Final Chapter" is premiering in January. When is Season 3 on? What is the schedule? What channel? Find out here.

The series follows the Barnett family, who initially adopted what they assumed to be a 6-year-old Ukrainian orphan with spondyloepiphyseal dysplasia, a rare bone growth disorder.