First episode where Mr. Burns mentions, "the hounds."
The idea that Mr Burns would greet his employees using index cards was inspired by the way Ronald Reagan would greet people.
This marked the first appearance of yellow Smithers, who was drawn as an African-American in the previous episode. Eddie and Lou also appeared for the first time, although Lou was mistakenly animated with yellow instead of black, as he would later become.
Bart introduces his famous catch phrase "Don't have a cow, man" in this episode.
First appearance of these characters: Dr. Marvin Monroe, Officer Lou, Eddie, Itchy and Scratchy.