The dance Nelson practices for Krusty's show is a parody of the famous routine from Flashdance.
Sideshow Mel's narration breaks the fourth wall just before the advertisement break, saying, "Lisa didn't know it yet, but she had just dipped her first toe, into the business of show! And it is a business, as you will find out in three...two...one..."
During Krusty's first comedy act in the show after gaining back airtime, he is dressed as Nana from Disney's Peter Pan.
In the scene in Last Gasp with Krusty the Clown, when Krusty says "This is the lowest I've ever sunk and I once made out with a blow up doll.". The closed captioning replaces Blow up doll with Brett Butler.
Gabbo, a ventriloquist dummy who has appeared a few times in the series, makes a short appearance.
This is the second episode where a Simpson becomes a star after a hard time working for Krusty. The first was Bart Gets Famous.
The baby wipes Krusty endorsed in Norway, "Krusty Kloven Baby Visker" is real Norweigian for "Krusty the Clown Baby Wipes".
This episode had the second lowest ratings in Simpsons history, with just 6.11 million viewers.
Unlike most episodes, this one features narration by Sideshow Mel.
This episode premiered a day before The Simpsons Rideopened at Universal Studios Hollywood and 4 days after the Florida one opened.
In the flashback in the beginning of the episode, when Lisa is about to receive the award, Homer and Lenny are surprised, opening a bottle of champagne, but when this scene comes back at the end of the episode, they are happily applauding her.
In the ending, Krusty during his comedy act while dressed as Nana from Peter Pan is implied to be about to mark territory on a hydrant, played by Sideshow Mel. In reality, only male dogs do that method of marking, as female dogs squat when urinating (as Nana's actual gender is female).