Oak Park

Oak Park is a suburb bordering the west side of the city of Chicago in Illinois.

Season 3
In Oak, Walter Rosen is putting out his garbage when the street lights flicker and dark clouds roil. From the sky a stream of black substance overtakes Walter. He opens his eyes and they are black - he has been possessed by a demon. ("The Magnificent Seven")

Appearances

 * Season 3
 * The Magnificent Seven