Continuity mistake: The large spoon and fork in Frank and Marie's kitchen change positions, right to left, and up and down. In some episodes the fork is on the right, and in others it is on the left. In other episodes, the fork is higher or lower than the spoon. At other times, the spoon and fork seem to be larger than at other times. It is obvious when she removes one of the utensils that they have never been moved - The Wallpaper underneath is a different shade from fading. If these were moved at subsequent times in the supposed feud, the difference in wallpaper fading would be seen.
Continuity mistake: On Ray's house, the small window at the base of the stairs is not seen in the outside view typically shown before and after commercial breaks.
Continuity mistake: In "The Suitcase" Ray says he bought wooden spoons and forks. In other episodes the spoons and forks are metal.
Continuity mistake: Throughout the series when the exterior of Ray's house was shown there are steps leading to the front door. In one episode Ray's mother drives a car through the wall and when she drives off there are no steps. Where did they go?
Continuity mistake: The exterior of Ray's house does not fit with the interior, even before Marie drives through the front of the house with The Car. The windows are in the wrong places and the door placement is off.
Continuity mistake: The garage door at Raymond and Deborah's house has two different sets of windows in some of the same episodes. One set of windows are lateral and the other set are half rounds.
Continuity mistake: In living room scenes, there are two windows. One to the immediate left of the door and one by the landing of the staircase. When they show the house from the outside, there are two large windows on either side of the door.
Continuity mistake: Throughout the show the twins' names changes from Matthew and Gregory to Michael and Jeffrey.
Answer: War.
By whom?
Edwin Starr.