Brother from Another Series
My Sister, My Sitter
Homer vs. the Eighteenth Amendment


  • Bart mentions that he is "two years and thirty-eight days" older than Lisa. Bart's birthday falls on April 1st, so this would make Lisa's birthday May 9th (even though "Lisa's First Word" implies that Lisa was born around the time of the 1984 Summer Olympics). The Simpsons exists on a floating timeline, where the year of people's birth regularly changes. It's possible that finer details like the month or day of their births is also not set in stone.
  • When Rod and Todd are being chased by a moth, they both have Entomophobia.
  • When Lisa talks to Mr. Smithers at the Hospital, everyone in the queue is seated, only Mr. Smithers is standing and ashamed, for a very peculiar reason.
  • Bart calls for an Emergency "Sisterectomy" or as he was pranking, Sister wrecked me.
  • Other known patients include:
  • Unknown patients include:
    • someone with a fidgety leg
    • a prostitute
    • a hippy
  • The patient diagnosis form at Dr. Nick's practice lists the following afflictions:
    • Unusual sex practice
    • Looter's hernia
    • Mexican standoff
    • Prison tunnel syndrome
    • Armed homeowner
    • Allergic reaction:
      • Mace
      • Pepper spray
      • Bullets
    • Liquor store robbery
    • John Gotti's disease

Cultural References

  • The title of this episode is a play on the 1994 film Sister My Sister.
  • The book that Lisa is reading is a parody of The Baby-Sitters Club book series.

The man behind homer is layered in front of him


  • At church, in the faraway shot the man sitting behind Homer is layered in front of his head instead of behind it. Also the man behind Bart has 1 arm and the person next to Agnes Skinner is not Principal Skinner he's an imposter.

Lisa is missing her leg

  • Lisa would not have been able to babysit Ralph as they are both the same age.
  • When Lisa unfolds the game board at the Flanders' house her leg briefly disappears.
  • In the same scene, an orange piece of path in the gameboard briefly turns green.
  • A man (third person from right) with a yellow moustache

    A man at the doctor's office has a moustache colored yellow like his skin instead of brown like his hair.
  • Some of Snake's blood disappears for a frame.
  • Frink is seen in Dr. Nick's hospital having been involved in a scientific accident. But later, when Lisa is confronted at the Squidport by Hibbert, Frink is seen in the opening ceremony crowd.
  • The emergency men should know that there's no such thing as "Sisterectomy".
  • When Chief Wiggum and Sarah leave the house, Sarah’s legs and feet aren’t drawn.


Season 7 Season 8 References/Trivia Season 9
Treehouse of Horror VIIYou Only Move TwiceThe Homer They FallBurns, Baby BurnsBart After DarkA Milhouse DividedLisa's Date with DensityHurricane NeddyEl Viaje Misterioso de Nuestro Jomer (The Mysterious Voyage of Homer)The Springfield FilesThe Twisted World of Marge SimpsonMountain of MadnessSimpsoncalifragilisticexpiala-D'oh-ciousThe Itchy & Scratchy & Poochie ShowHomer's PhobiaBrother from Another SeriesMy Sister, My SitterHomer vs. the Eighteenth AmendmentGrade School ConfidentialThe Canine MutinyThe Old Man and the LisaIn Marge We TrustHomer's EnemyThe Simpsons Spin-Off ShowcaseThe Secret War of Lisa Simpson
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