The Dad Who Knew Too Little/References

Cultural references

 * When Homer and Lisa blacken his hairs, Lisa says: "look just like a Powerpuff Girl". This is a reference to Buttercup, one of three main characters of .
 * At the hotel, Lisa says her name is Lady Penelope Ariel Ponyweather. This a spoof of 1965 children's TV series Thunderbirds, as International Rescue has a London agent, Lady Penelope Creighton-Ward.
 * The quote about Carl saying someone is cobbling shoes for him at night is a reference to the story The Elves and the Shoemaker.

Trivia

 * According to this episode, Officer Lou's ex-wife's name is Amy.
 * When Bart and Homer are looking at the video kiosk in the mall, behind them is a kiosk labeled "Another Damn Candle Stand."
 * There's a season 5 episode with the opposite title: "The Boy Who Knew Too Much" (They were parodies of the same film: The Man Who Knew Too Little).
 * "The Girl Who Slept Too Little" and "The Man Who Grew Too Much" are another parodies of that film.
 * When Bart beams the laser at Principal Skinner, the red dot on his pants, when he pulls them down and Chief Wiggum stops in his car in front of him, how can the laser still be beaming on Skinner if Wiggum's car is blocking out the laser.
 * Bart appears to be reading Lisa's diary from back to front.
 * When Homer and Lisa pass by the "bridge out" sign we can see all the way to the bottom of the sign up to the letter U in out. When the sign is viewed after the branch is pulled back, we can see that the O and probably V in the word "overpass" should have been seen in the first place.
 * Some of the P.T.E.T.A. members are also part of Dirt First.
 * It's implied that Rod Flanders is diabetic.
 * It's mentioned that Carl has severe schizophrenia and he cobbles shoes at night with no memory as a result.
 * Dexter Colt vandalizes the Screaming Monkey Research Lab, a possible reference to the Screaming Monkey Medical Lab in HOMЯ.
 * The song Homer plays for Lisa is Budo by Miles Davis off his 1957 album Birth of the Cool.
 * This is the second episode that Lisa had a birthday. The first time was in the Season 3 premiere episode: Stark Raving Dad.
 * Despite this, Lisa is still considered as 8 years old in subsiquent episodes, despite the fact this would have theoretically been the point in which she turned 9.

Goofs

 * In the end credits, Lisa's bedroom has no door.
 * When Lisa blinds Colt with the laser pointer and he falls to the ground, his tie disappears.