Poppa's Got a Brand New Badge
Treehouse of Horror XIII
How I Spent My Strummer Vacation


  • Seen among the crowd of Homer's clones are the following:
  • This is the third and final Treehouse of Horror episode that does not have the credits littered with "scary names" (the previous two were I and XII, the 1st one was because the specials were just starting, and the 12th one was because the writers felt that putting in scary names due to the 9/11 attacks was way too tasteless). This may have prompted some complaints from longtime fans, as the scary names were reinstated the following year.
  • This is the first Halloween episode to have the name Treehouse of Horror.
  • This episode is titled "Treehouse of Horror 13" as opposed to "Treehouse of Horror XIII".
  • In "Treehouse of Horror VIII", Bart gained the body of a fly, in this episode he gained the body of a spider.
  • This and the previous Halloween special feature a character transformed into a centaur.
  • The Island of Dr. Hibbert is parody The Island of Dr. Moreau.
  • As an owl, Lisa is no longer a vegetarian.
  • A deleted scene features Homer (as a walrus) gives Marge (as a panther) a back scratch she coughs up a hair ball and Dr. Hibbert plans on changing the whole animals back into humans.
  • In the second segment, when the first Homer goes to the past, we would have seen Homer already since the future is not altered until someone from the future goes back and alters it.


  • The War Room in this episode is very similar to the one seen in the Stanley Kubrick film Dr. Strangelove (Also seen in "Sideshow Bob's Last Gleaming") and one of the people in the room looks like George C. Scott who played General Buck Turgidson in the film.


  • In the Send in the Clones segment, when Marge comes back from shopping with a clone of Homer, as this occurs, the top part of one of the arch windows is missing.
  • When Homer is pulled into the back room by Prof. Frink, the piano music continues even though Homer isn't at the piano playing anymore.
  • When Patty and Selma are shown shooting a grave, the colors of their dresses are incorrect; Patty usually wears red and Selma usually wears blue.

Season 13 Season 14 References/Trivia Season 15
Treehouse of Horror XIIIHow I Spent My Strummer VacationBart vs. Lisa vs. the Third GradeLarge MargeHelter ShelterThe Great Louse DetectiveSpecial EdnaThe Dad Who Knew Too LittleThe Strong Arms of the MaPray AnythingBarting OverI'm Spelling as Fast as I CanA Star is Born-AgainMr. Spritz Goes to WashingtonC.E. D'oh'Scuse Me While I Miss the SkyThree Gays of the CondoDude, Where's My Ranch?Old Yeller-BellyBrake My Wife, PleaseThe Bart of WarMoe Baby Blues
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