When Lisa takes Nelson to the convention, he is seen wearing a blue shirt with a pocket in the front, but when Nelson begins playing Chicken with the Billionaires, he is wearing his normal clothes.
According to this episode Nelson's middle name is Mandela.
Grampa already gave Homer and the family their inheritance once before in the season 5 episode "Lisa vs. Malibu Stacy."
Lisa: You're dropping school?!?
Nelson: Like a melon from an overpass.
Chris Hansen: Hello, Homer.
Homer: How do you know my name?
Chris: I'm Chris Hansen from To Catch a Credit Whore. We know you've been returning used items all over town. (his film crew appears)
Homer: It's not what you think. I came here to warn them. Yes, to-to warn them about duh...
Chris: People like you?
Homer: Yes! I mean no! I mean... (screams and flees) You'll never get me! (then returns) I have to sign a release so you can broadcast this, right? (Chris hands him the form and he signs it) Initial there and...(yells and flees again) Never! (returns again) Can you tell me when this is gonna be on? I'm thinking of having a party.
Show Title: A blimp with Mr. Burns pictured flying overhead.
Billboard Gag: Springfield DMV. Wait time 38 (changing to 39) hours. (With Patty and Selma pictured)
Blackboard Gag: I did not see teacher applying for welfare.
Couch Gag: The family runs to the couch as usual, but comes across a dead body in the living room. They hear a police siren and the family drives off still seated on the couch, and are pursued then arrested by the police. Still on the couch, they're picked out in the lineup between the Flanders and Hibberts. After a stint in jail, they're then hooked up to electrodes connected to the couch and a guard throws the switch to execute them. At that point, the image of being shocked freezes as a display on a Lite Brite.
The name of one of the booths at the entrepreneur show is "Ohm Depot," a parody of the home improvement store chain "Home Depot."
The name of the plastic surgery booth is "Jiffy Boob". This is a parody of Jiffy Lube, a place you take your vehicle for an oil change or a lube job.
The Itchy and Scratchy cartoon titled "P.U." in the opening scene was a parody of the hit 2009 Pixar film, Up.
The title of this episode is a play on the famous Mona Lisa painting by Leonardo da Vinci. This is the fourth episode of the series with a play on this title after "Moaning Lisa" (season 1), "Moe 'N' a Lisa" (season 18), and "Mona Leaves-a" (season 19).