Homer mentions strange adults befriending small children, which is a possible reference to Michael Jackson as well as to Charlie and the Chocolate Factory. When the episode first aired, Jackson was dealing with child molestation charges and movie posters featuring Johnny Depp as Willy Wonka were appearing in theatres as part of the pre-release publicity for the movie.
The song Lisa and Janey are singing at the beginning is "Miss Lucy Had a Steamboat."
Osama bin Scratchy reference Saudi Arabian‘s Osama bin Laden.
"Dust in the Wind" by Kansas (When Bart burns his toys.)
"I'm Too Sexy" by Right Said Fred (When Bart models his T-shirts around school and at the mall.)
"Get Ready for This" by 2 Unlimited (At the Springfield Novelty Expo, when Krusty's booth appears and destroys Bart's.)
When Bart is autographing T-shirts at Goose's store, a sign outside says that Bart will not say "Cowabunga," a reference to the fact Bart only said the saying once in season 1 and the phrase become attached to him.
Smithers replies "Today is Christmas, sir" when Mr. Burns asks why everyone is so insolent.
Before the episode first aired, Matt Groening registered the domain nuclear-secrets.com, but never created a website.
Mood Lollipops (Apu, attending the expo as a retailer, tries one and is singularly unimpressed.)
Homer quits his job because Bart earns enough income to support his family. He previously thought of doing this in Bart the Lover.
This is the third episode where plutonium is taken from the Springfield Nuclear Power Plant to be used for an unrelated purpose. The first two being Treehouse of Horror IX and E-I-E-I-D'oh.
This is one of two episodes of season 16 where Bart screams in his treehouse when something happens to him offscreen. The other episode is All's Fair in Oven War.
Bart's T-Shirt Slogans
Adults Suck, Then You Are One
Life Ends at Ten
Bored in the USA
This Shirt Sucks
Wake Me When It's Recess
I've Puked More Beer Than You've Drunk
Pobody's Sherfect, Nithead
My Other T-Shirt Is Also a Joke T-Shirt
Think Globally, Fart Locally
Weapon of Ass Destruction
I ♥ ♥ Attacks
Get Bent (Flanders thinks it refers to kneeling down to pray.)
Do Not Resuscitate (Dr. Hibbert takes a dozen: "These could get me out of a lot of sticky situations.")
Proud Nubian Princess (Chief Wiggum takes this one when the police bust Bart's stand and confiscate the shirts; it's the only one that fits him.)
Jews for Jebus
Body by Oreo
Don't Blame Me, I Voted for Scooby-Doo
If You Can Read This, the Backpack Fell Off
Stop Staring at My Man Boobs
I'm Not Getting Older, I'm Getting Bitter
Wish You Were Beer
Top of the Dude Chain
America's Least Wanted
Stop World Hunger, Eat My Shorts! (Bart poses with this one on the cover of a magazine running an article about his shirts.)
Don't Wake Me, I'm Working (Homer wears it to work and gets suspended without pay.)
I'm Not Fat, I'm Enormous (Comic Book Guy brings it to Bart for an autograph.)
Moe asks if Bart has any T-shirts with Calvin peeing on Hobbes. Bart says "Sorry," Moe then asks, "Well what do you got him peeing on ?"
When the Police Car arrives at Bart's stand, the car has a white paintjob, but when the police confiscates his t-shirts, the car has a black and white paintjob. Later, the car has the white paintjob again.