[s1e7] Haunting Here

1. The "Fixer" Fallacy: Hugh Crain and the Architect of Grief

Hugh's realization that the Red Room has been the source of the house's "leaks" all along, despite it being locked. [S1E7] Haunting

This episode provides the backstory of the Dudleys, the house's caretakers, who have their own tragic history with the property. the house's caretakers

The Haunting of Hill House – Season 1, Episode 7: “Eulogy” [S1E7] Haunting

The discovery of the mold behind the "squishy" walls.