In this episode, Dorothy says Stan never bought her a mink. However in the episode Break In (1985) , Dorothy said a mink, which Stan had given her, had been stolen.
When Blanche stands up, walking around the doctor's office nervously, she straightens the framed art on the wall, but when the camera comes backs to her seconds later, the frame is crooked again.
Dr. Parks referred to mink as rodents. Mink are not rodents. They are a member of the family that includes weasels, otters, and ferrets.
Sombreros are from Mexico, not Spain.