The stranger-than-fiction story was also the subject of Investigation Discovery's "The Curious Case of Natalia Grace" documentary.

In Hulu’s "Good American Family," a Midwestern couple claim the little girl with dwarfism they adopted is lying about her age. Here’s what to know about the real-life Natalia Grace case.

Based on the real-life saga of Natalia Grace, the show follows her adopted mother and father, Kristine and Michael Barnett, as they become increasingly suspicious that their new child isn't actually a child after all.