- Marge gives Lisa the paper quoting "You are Lisa Simpson". Mr. Bergstrom gave her a similar paper in the episode "Lisa's Substitute" which Lisa points out to Marge.
- The poster looking for Lisa that says "Free Beer: Now that I got your attention....", which is like the one where Bart's campaign poster says "Sex: Now that I got your attention..."
- Lisa said her I.Q. is 159. In "Homer's Enemy", Homer states Lisa's I.Q. is 156. Unless it increased by three points in the time between the two episodes.
- Lisa claims Maggie isn't dumb just because she can't speak, interestingly dumb is a word used to describe someone who cannot speak.
- The last time Homer, Marge and Bart entered a body was in Treehouse of Horror XV.
- The last time Homer impersonated Stephen Hawking was in "They Saved Lisa's Brain".
- It is revealed that Abe is in his 80s.
- Lisa slept on the bitter part of tongue and then on the sweet part at museum, but in fact, these parts aren't divided exactly.
- It is widely believed that Simon Cowell voiced himself, but he is once referred to as Henry, by Ms. Wickerbottom.
- Lisa claims her shoes are sandals, which are not since her toes would have been visible.
- It is revealed Homer cannot spell his own name.
- One of the identities Lisa tries is that of a soccer player. She later became one in "Marge Gamer".
- This is the second episode where a character talks negatively about the people credited except the guest star. The first was "Bart Star".
- Second episode where Maggie is able to point to something with an advanced name. First was "Lady Bouvier's Lover".
Ad blocker interference detected!
Wikia is a free-to-use site that makes money from advertising. We have a modified experience for viewers using ad blockers
Wikia is not accessible if you’ve made further modifications. Remove the custom ad blocker rule(s) and the page will load as expected.