Hotfoot in the Park/References

References/Trivia

Cultural references

Bart got a whistle in the shape of Erin Brockovich's head.
When Bart finds that his coupon for a free ride is only valid in Zenith City, he says that's like Metropolis, Gotham City, or Toronto in that it doesn't really exist.
Wiseguy says that he'll call Ripley's Believe It or Not! about a comic book ad lying to a kid.
Comic Book Guy had Vulcan ears surgically attached to him, a reference to Star Trek.
Comic Book Guy goes to retrieve a Mr. Fantastic figure that was stuck in a dried puddle of Mr. Pibb. He then says that he needs a team up with Mr. Clean.
Comic Book Guy calls his shop his Fortress of Solitude and Sanctum Sanctorum.
Comic Book Guy holds up a burned comic with Daredevil on. Comic Book Guy then tried to listen to Bart's heartbeat to see if he's lying.
Comic Book Guy says that he feels as useless as Fox Mulder's replacement in the last season of The X-Files.
A squirrel steals a Xena comic.
The Ghostbusters had taken over the firehouse.
Otto wears a Grateful Dead tank top.
The citizens of Springfield sing "Happy Birthday to You", which the blue-haired lawyer points out is copyrighted.

Marge mentions that she'll be at the gambling tent, referencing her gambling addiction. ("$pringfield (Or, How I Learned to Stop Worrying and Love Legalized Gambling)")
Lisa was getting math lessons from the Mathemagician. ("Grade School Confidential")