Criminal Minds2005

Penelope Garcia:
Come on, baby. Come on.

Dr. Spencer Reid:
Boo!

Penelope Garcia:
Jeez, you scared me. I thought you were a ghost.

Dr. Spencer Reid:
You know, older building like this emit a low enough frequency that you can't consciously hear. Because the sensory overload can't be explained, it wreaks havoc with your emotions, inducing fear, panic, and dread, hence the feeling of being haunted.

Penelope Garcia:
What about the visions?

Dr. Spencer Reid:
Your eyes overcompensate for what your ears are missing. That said, I do know a three-year-old boy that once met a friendly apparition named Leverett Saltonstall.

Penelope Garcia:
He was nice?

Dr. Spencer Reid:
Very nice.