The Haunting of Hill House" director Mike Flanagan revealed the episode that made him cry when he thought of the idea.
Episode five, "The Bent-Neck Lady," focuses on Nell and reveals the ghost that has haunted her since childhood was actually her own as an adult.
According to TheWrap, Mike Flanagan said that when the idea for ?The Bent-Neck Lady? occurred to him, he began to cry.
Business Insider reports, Flanagan refers to the episode as the ?heart of the show,? hence its placement in the middle of the season.
In a lot of ways, that episode was why I wanted to make this show. It completely changes everything that came before it.