Plot hole: When Sally crushes a creature in the library with the bookcases, Not only is the crushed body still there, but also its arm on the floor, yet her father still doesn't believe her.
Don't Be Afraid of the Dark (2010)
1 plot hole - chronological order
Directed by: Troy Nixey
Starring: Guy Pearce, Katie Holmes, Jack Thompson, Bailee Madison
Other mistake: Kim is putting Sally back in her own bed at night to sleep however the window shows daylight. (00:47:56)
Trivia: The runes on the grate say "be afraid" in Elder Futhark.