Every Day a Little Death - S1-E12
Continuity mistake: Bree arrives home carrying a package in her left hand and bags in her right. In the next shot, when her phone rings, the package is gone, the bags are in her left hand and she answers the phone with her right. (00:07:10)
Every Day a Little Death - S1-E12
Continuity mistake: When Gabrielle is eating fried chicken on the walkway, the bucket she is eating from mysteriously turns between shots.
Every Day a Little Death - S1-E12
Continuity mistake: When Edie throws the urn of ashes at Susan after she discovered Susan burned her house down, you can see that there is nothing on Edie's left shoulder, but when the camera angle changes to behind Edie in the next shot, her shoulder is now covered by her cardigan.
Every Day a Little Death - S1-E12
Continuity mistake: When Edie throws the container of Mrs Huber's ashes over Susan after she discovered Susan burned her house down, there is still some ash in Susan's hair and on her cardigan from a previous take.
Every Day a Little Death - S1-E12
Continuity mistake: When Edie is about to spray water on Susan from the hose, you can see that Susan is very close to Edie, but as the camera angle changes she is much further away.
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.
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.
Every Day a Little Death - S1-E12
Continuity mistake: When Edie gets the phone call, saying Mrs Huber was found, while she is at Mike's, you can see the cell phone on the table where she is sitting. When the phone rings, she reaches to nowhere with her right hand and you can still see the phone. Then the view changes and you can see her getting the call with her left hand.
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.