King of Queens, The - Window with a View of the Stairs
In the episode where Arthur shows Doug a picture of Carrie's mother who was big, Doug gets worried and tells Carrie she needs to lose a few pounds. When there in bed, Doug tells Carrie he doesn't care if she gets as big as her mother, but he makes a face. Carrie says to him, "I can see your reflection in the window." Problem is that Carrie is facing the wall of the bed room that faces the stairs to the den.