There are some mildly violent scenes like in a PG-13 horror movie, nothing else.
Frightening & Intense Scenes
Moderate
Classified on the site as horror, it does have its scary moments.
In the first few episodes, frightening ghosts are seen (often suddenly). Sometimes they attempt to hurt the characters or are the cause of accidents or mishaps.
The whole show has an overhanging sense of gloom, dread, and mild fear.