Early in the episode, Ben tells Julia that Little Joe was too young to really remember his mother. However, later on in the story, Joe confronts his father about conversations he heard between his father and brother Adam about where his mother could and could not go. He was old enough to remember these conversations but not his mother?
Roy Engel makes his first appearance as Dr. Paul Martin and would appear occasionally during the first five years. Sometimes he played a doctor on the series, but with a name different than "Martin".