- The title of the episode is a spoof of the Paul Simon song Graceland, in which the lyrics "I'm goin' to Graceland" are present.
- Comic Book Guy's dream parodies Star Trek, Catwoman and Agent 99 (Get Smart TV series). Coincidentally, actress Anne Hathaway portrayed both characters in Get Smart and The Dark Knight Rises.
- In Disco Stu's discothèque vision of Heaven:
- After being kicked by Moo-Tilda, Professor Frink exclaims the name of Canadian producer/director Ivan Reitman.
- Lisa's saxophone solo in the opening sequence was later reused in a scene in Blazed and Confused.
- When the citizens are leaving the park in disappointment, Manjula, who is behind Apu, is yellow, has brown hair, and is wearing blue clothes.
- When Ned examines the gas leak, he doesn't have any ill side-effects.
- At one point, when the Simpsons and Flanders are outside and in front of the latter family's house, Rodd's shirt is green.
- After Helen Lovejoy makes a very tall stack of ice cream scoops on the cone, she's wearing lipstick.
- Once, when Martin Prince Sr. is seen among other attendees at the church's ice cream social, his hair is blond.
- When Homer burns Bo Peep, one statue sheep don't have a skeleton and the other sheep has one. (That's because it was a real sheep)
- Homer wasn't seen putting beer bottles inside Old Woman's Shoe in Lisa the Vegetarian (Though they may be instead from him, working and drinking at Praiseland, before it opened).
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