In early 2023, TikTok became the unlikely battleground for a child custody case, when siblings Ty and Brynlee Larson barricaded themselves inside a bedroom for 54 days. As the pair documented their act of defiance, thousands of viewers waited for a resolution in real time. The upcoming Hulu docuseries The Nightmare Upstairs: What Happened to Ty and Brynn? examines the legal saga that engulfed their family and went viral. The two-part project features archival footage and new interviews with both of their parents, promising to illuminate both sides of the divisive case. Ty and Brynlee refused to return to court-ordered custody of their father, whom they allege sexually and emotionally abused them as children. Instead, the pair took matters into their own hands and locked themselves in a room at their mother’s home. But were they justified, or had they been the victims of involuntary alienation as their father contends? Who Are Ty and Brynlee Larson?…