When this episode first aired, stars appeared during the commercial breaks to celebrate the 100th episode.
Luke Perry:(Refering to his animated appearence) You know, I've been shot out of a lot of cannons, but there's nothing like the first time. Congratulations to The Simpsons on their 100th episode.
Leonard Nimoy: To everyone in the sleepy town of Springfield...may you live long and prosper.
Kelsey Grammer: Hello, Kelsey Grammer here. Felicitations to the people who bring The Simpsons to life. May you make 100 more.