Sunday in the Park with George - S1-E21
Revealing mistake: When Morty gets down on his knee to propose to Sophie, the angle of the camera shows the top of the set, which makes it seem as if there is no ceiling to the room.

Sunday in the Park with George - S1-E21
Revealing mistake: When Morty gets down on his knee to propose to Sophie, the angle of the camera shows the top of the set, which makes it seem as if there is no ceiling to the room.
Look Into Their Eyes and You See What They Know - S5-E19
Other mistake: In an earlier episode where Edie and Susan are driving Martha Huber's ashes to the lake to be spread, Edie gets a flat tire and Susan changes it. In this episode, all the girls are driving with Edie's ashes and they get a flat tire. Susan asks "Does anyone know how to change a flat tire?" Did she forget how?
Bree Van De Kamp: It's the age-old question, isn't it? How much do we really want to know about our neighbours?
Trivia: Across Season 4: Two Lois Lanes appear together in this season: Teri Hatcher played Lois Lane in The Adventures of Lois and Clark and Dana Delaney voiced Lois Lane in Superman: The Animated Series and its follow-ups.
Question: Where did Kayla go? When did they get rid of her and where did she go? And which episode is it?
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.