'Ghosts' Still Needs To Address This Glaring Plot Hole Immediately

Obviously, when you watch the hit CBS sitcom, Ghosts, you need to be able to suspend disbelief. Of course, there's no logical reason that Sam (Rose McIver) would suddenly be able to see spirits after hitting her head, or that the ghosts can walk through walls but use the stairs instead of floating up through the ceiling. All of these aspects add up to make a fantastically silly (and always entertaining) show. But there is one element of the series that is a bit confusing (and will be addressed in Season 6, according to the cast in an interview with Collider).