Every Day a Little Death - S1-E12
Continuity mistake: When Lynette signs the clipboard at yoga, a close-up shows her signing it with her right hand, but in the next shot she is holding Penny with her right hand and signing her name with her left.
Every Day a Little Death - S1-E12
Continuity mistake: When Gabrielle toasts to Carlos' return, the volume of champagne in her glass changes between shots.
Continuity mistake: When Lynette is at the school, the teacher is waiting outside eating. If you look at her hands, you can see that she has a white napkin. The napkin changes from one hand to the other between shots, and in one shot it is small and the other it is not.
Continuity mistake: When Lynette throws the dirty diaper, it hits the glass wall and falls next to the trash can, but when the camera turns to Nina, in the background, the diaper is no longer there.
Continuity mistake: When John is speaking to Susan about his relationship with Gabrielle, Susan puts her hand on John's cheek, but in the next shot, when John's mother is looking out of her car, Susan can be seen with her hand on John's shoulder.
Continuity mistake: When Bree steals Mary Alice's tape in Dr Goldstein's room, she takes it with her right hand and grabs it to her waist while she raises her left hand to her hair. In the next shot when the doctor enters the room, you can see her right hand is up, and when the camera comes on her the next shot, her left hand is up again.
Continuity mistake: When the boy paints "witch" on Mrs. McCluskey's front door, he holds the container in his left hand and the brush in his right. But when Karen gets out and he runs away with the other kids, the two items switch positions.
Continuity mistake: In the scene where Bree and Lynette are talking about nannies, Lynette is in the back seat strapping her baby daughter into the car seat. In the shot facing Bree, Lynette takes a baby toy lying on the back seat and hands it to her daughter, but in the next shot facing Bree, the toy is back on top of the seat where again Lynette hands it to her baby.
Sunday in the Park with George - S1-E21
Continuity mistake: When Bree is out for dinner with George, the scene starts with a close up of her eating with her fork in her right hand. It then cuts to a wide shot of her suddenly holding her fork in her left hand, and then she switches it to her right hand.
Color and Light (a.k.a. I Must Be Dreaming) - S2-E7
Continuity mistake: When Julie finds out about Susan and Karl sleeping together, the tightness of Susan's dressing gown changes several times throughout the scene.
Continuity mistake: When Bree grabs the twin's toy keyboard, she grabs it and holds it at a downward angle. But in the immediate shot she is suddenly holding it at an upward angle.
Continuity mistake: When Lynette starts talking to Andrew, her car door suddenly goes from closed to open between shots.
Continuity mistake: When Julie is tutoring Austin, he takes out a beer can, drinks it, crushes it and puts it down on the desk. A couple of shots later when Julie stands up, the beer can has rotated itself slightly without Austin touching it.
My Heart Belongs To Daddy - S2-E4
Continuity mistake: When George is eating watermelon with Bree, the position the watermelon on his plate and the salt shaker on the table change between shots before George or Bree even touch them.
Continuity mistake: Season 3, Episode 6: "Sweetheart, I Have to Confess" - When Gabrielle suggests that her and Carlos don't go through with their divorce, her head is resting on Carlos' chest. But in the next shot, it isn't.
Continuity mistake: When Bree is at the restaurant by herself, she is wearing a ring around her neck on a chain which constantly moves position throughout the scene.
Continuity mistake: When Bree is talking to Mike in hospital, the position of her roll neck jumper on her right shoulder changes constantly throughout the scene. In some shots it's rolled down, in some it is rolled up.
Continuity mistake: At one point in episode 1.2 ("Ah, But Underneath"), Susan looks at the note used to blackmail Mary Alice and we can see that it has been folded twice and become somewhat crumpled. Two episodes later in "Who's That Woman?" (1.4) when the girls show the note to Paul, it is almost perfectly smooth with a single horizontal crease.
Mama Spent Money When She Had None - S5-E14
Continuity mistake: In an early scene Bree pulls up in a Lexus four door and the camera lingers on the car. But later in this episode she brings the same car home as a gift for herself.
Every Day a Little Death - S1-E12
Continuity mistake: When Carlos pulls Gabrielle down to the sofa for a neck massage, he places the fried chicken bucket by his side on the sofa. When Gabrielle stands up and refuses to have a baby, the bucket has disappeared, and when we see Carlos leaning back on the sofa a few moments later, he has the bucket held in his arm.
Answer: Kayla was sent away in episode 16 (The Gun Song) in season 4, after falsely accusing Lynette of child abuse. She now lives with her grandparents - probably Nora's parents.
I'm curious why we never see her again, why she never talked about, and why Tom never mentions visiting her.