While Amy Hearn is trying to convince Charles and the doctor to hold her wake before she dies, the doctor's eyeglasses keep going from his eyes to his hands with each camera change.
The elegance of the inside of Miss Amy's house is completely incongruous with the rickety outside.
The large oak tree with the large bald bark patch outside Ms Hearn's house was also seen previously outside the powder monkey man's house in an earlier show.
When the girls are singing along with the autoharp, the old lady's left hand just swipes midair instead of strumming the strings.
While Amy Hearn is trying to convince Charles and the doctor to hold her wake before she dies, she keeps calling Charles: "John"; she finally switches to "Charles" at the end of the scene.
Charles taking a chunk of the cake isn't something he would do. It could be eaten regardless of the situation by the whole family.
At 29:34 Charles ushers Laura to stay with Miss Hearn but says Miss Ingalls instead.