Early on in Good American Family, viewers of the weekly Hulu series about the adoptive parents of Natalia Grace get a sense that they aren’t being told the full story.

The dramatization of the real-life national news story of Kristine and Michael Barnett adopting Grace, a Ukrainian child orphan with a rare and severe form of dwarfism, has been primarily unfolding in flashback to explore what allegedly happened after the Indiana husband-and-wife adopted Grace in 2010. But each episode opens with a flash-forward that gives even the most unassuming viewer (who hasn’t seen the headlines or watched the ID docuseries The Curious Case of Natalia Grace) hints that there is at least one unreliable narrator telling this story.

The first four episodes have explored the Barnetts’ point of view to explain why they end up being accused of neglect for abandoning Grace. Their adopted daughter was actually an adult...