Smart and Smarter/References

==Cultural references==
*Lisa's nightmare, where she kills Maggie, is a parody of the movie 
*The title of the episode is a reference to the 1994 movie , as well as the animated series.
==Trivia/Goofs==
*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.
*Lisa would go on to have another identity crisis in "Boy Meets Curl".
*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. He was probably only typing every letter that spells his name just to hear Phonic Frog say "Huh-Oh-Muh-Eh-Er" after testing it by pressing A, B and C, only to hear "Ah-Buh-Cuh".
*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".
*Second episode where Homer cheers on a real-life college sports team ("Go Seminoles!"). The first was "The Bart Wants What It Wants".
*The windows at the Pancake restaurant look identical to the windows at Moe's Bar.
*When Homer and Bart are fighting, the hair on the top of Homer's head disappears for a frame.
*When the camera shows the backs of the family as they are looking at the TV, the family room's window shows a road, crosswalk, and other houses when it should show the Flanders' house and the fence that separates it from their yard to the Simpson's yard.
*When the camera shifts to Barney and then he says "You promised we wouldn't hurt anyone", the carpet from the dining room to the entryway room to the living room to the family room continues into the kitchen, even though the kitchen in every other episode doesn't have a carpet floor, but a hard seal floor.
fr:Quel gros Q.I. !/Références
Category:Trivia
Category:Cultural references