Continuity mistake: During the scene when Ray and Frank are playing Ping Pong, you can see that the balls are on the floor, but in a few shots, they're not.
Continuity mistake: At the end of the episode when everyone is arguing in the kitchen, the potholders next to the lasagna on the table keep changing position between shots.
The Sister - S4-E6
Continuity mistake: Marie comes over with a cake shaped like a cross. In almost all the scenes where the family is sitting at the table different pieces of cake are missing. In some of the camera angles there are no pieces of cake cut from the bottom yet when the cake is seen from other angles there are.
The Tenth Anniversary - S4-E16
Continuity mistake: In this episode, it is snowing outside but in "The Wedding Pt1" the date that they book for the reception is on the 17th of June.
Continuity mistake: Amy's brother was called Russel. In later episodes he is called Peter.
Continuity mistake: At the beginning of the scene where the three Barone kids are singing along to the Hackidu song with Robert on the couch, the scene opens with a picture of the house from the outside, and it is light and not raining at all. Then, when Ray comes in minutes later, it is suddenly dark and pouring rain.
Continuity mistake: This is a flashback episode of Robert's Divorce - they show that Joanne dumped him because she didn't like their life together but in another episode, Ray says that Joanne dumped him for a guy that he arrested.
Continuity mistake: When Marie backs The Car into Ray and Deborah's house, the debris on The Car changes from shot to shot.
Meant to Be - S5-E4
Continuity mistake: When Robert stops Marie from calling Amy, he removes the phone from her hand and places it on the table where it rolls out of place. In the next scene, the phone is placed back where Robert put it before.
Continuity mistake: When the family is riding to the wedding, a bright orange sign is visible in the background. A few shots later, the same sign goes by again.
Continuity mistake: In the last scene in The Car, there were 5 of them driving to the event, then 6 driving back home.
Suggested correction: There were always 8 driving to the event and then 8 driving back.
Continuity mistake: In the episode "Traffic School," Robert notes that when he was young during a family trip he was left at a gas station in New Mexico. But in "Ray's Journal," he says that he was left at a gas station in Arizona.
Continuity mistake: When Robert is in Debra and Ray's kitchen, as they talk Debra holds a plate with a slice of meatloaf on it. When she finally places the plate on the table, the piece of meatloaf Ray eats is different.
Separation - S5-E23
Continuity mistake: In the scene where Debra tells Ray her parents have separated and he laughs, later on in this scene he tells Debra that he got free candy from the broken vending machine at work. When Debra leaves the room, Ray starts taking more candies out his pockets and throwing them on the bed. Take notice of the position of the sweets on the bed. Now just after the close up scene of Ray scratching his head, look at the position of the sweets. Totally different. One or two are actually closer to the end of the bed, whereas in the scene before, they were more further on. (00:52:50 - 00:53:55)
Frank Paints the House - S5-E24
Continuity mistake: Inside the kitchen, the back door is perpendicular to the sink's wall. On the outside, the door is part of one continuous wall.
Continuity mistake: In this episode, while Ray is telling Marie her faults, he has an almost empty glass. In the next shot, his glass has been topped-up slightly without him or anyone else doing so.
Continuity mistake: After their engagement in 2-25 "The Wedding", Debra introduces Ray to her priest Fr Hubley but in this flashback episode "The First Time" Marie brings Fr Hubley to Debra's apartment to meet her. The priest mentions that "he's known the Barones for quite some time."
Continuity mistake: During his discipline fiasco Ray sends the twins, Michael and Geoffrey, to their beds at noon. Depending on the camera angle, one twin (who lies closest to the camera) has his head atop his pillow at the middle of the bed, and in other shots that pillow is much further back near the headboard and the boy's head lies on the blanket.
Continuity mistake: In the last scene where everybody is in Ray's living room, the strap on Georgia Engel's purse keeps changing positions from hanging from her left shoulder to across her chest. Finally, when both her hands are occupied trying to light a match, her purse slips from her shoulder to her bent elbow. In the next shot, her hands are still not free, but the purse strap is on her shoulder again.
Continuity mistake: When the family is in the hallway after Amy senses Robert smells like smoke, the lampshade on the sconce is crooked in every other shot.