This episode marks the first appearance of Edith Montgomery, played by Lia Williams. She appears in eight episodes in total.
This episode marks the first appearance of Caitlin Morgan, played by Angela Curran. She appears in five episodes in total.
Someone's snoring is compared to a "weapon of mass destruction" which became a catchphrase at this time.
First episode of the little dog Buddy... Aunt Joan even brings up that "other dog" that used to follow Doc around... which was larger, more furry... who Buddy replaced.