Introduces Bart's prank calls to Moe's Tavern. The first one used is: I. P. Freely.
Smithers first appears in the episode "Homer's Odyssey" where he is shown being apparently African-American. However, in his second appearance, There's No Disgrace Like Home (1990), he appears as having a yellow complexion, which remains throughout the rest of the series. In "There's No Disgrace Like Home," Lou the policeman is depicted not as African-American (as he later appears), but as Simpson-Caucasian (yellow).
Mr. Burns says his catchphrase "Excellent" for the first time in this episode.
Although elementary and very cartoon-like, Smilin' Joe Fission's explanation of nuclear power is accurate.
Introduces Waylon Smithers, Terri and Sherri, Wendell, Otto, Jasper and Chief Clancy Wiggum. We also find out through the Season 1 DVD commentary that Otto is designed to look like The Simpsons (1989) writer Wallace Wolodarsky.