Former Saturday Night Live
head writer, cast member, Weekend Update anchor, Sarah Palin
impersonator, and 30 Rock
star Tina Fey
voices a substitute teacher named Ms. Cantwell who loves all of her temporary students, except for Lisa. Meanwhile, Flanders tries to atone for punching Homer in the face after Flanders' parents take a liking to Homer rather than their own son.
- Bad Teacher: Ms. Cantwell to Lisa, and only Lisa. To everyone else she's great. She even likes Ralph Wiggum over Lisa.
- Dumb Blonde: Just because Lisa's hair is blonde, Ms. Cantwell assumed her to follow the stereotype. She also assumes Lisa to be a Brainless Beauty used to be complimented on the beauty part.
- Hit Me, Dammit!: Ned inisists that Homer hit him back so they can be even.
- Nuclear Option: What Ms. Krabappel calls sending Bart to Ms. Cantwell's class to drive her away.
- Ominous Latin Chanting: When Bart arrives to Ms. Cantwell's classroom.
- Somebody Doesn't Love Raymond: Lisa can't imagine why any teacher wouldn't like her.