C.E. D'oh/References

Cultural references

 * The title is a pun on the word.
 * "" by plays at the beginning of the Itchy & Scratchy cartoon.
 * The speaker points to a special edition, saying the only two in existence are owned by him and before the creator was shot.
 * In The Itchy & Scratchy Show episode "Bleeder of the Pack", Scratchy is a passenger of an airplane controlled by, and  and the plane crashes. This is a reference to their deaths in a plane crash on February 3, 1959.
 * The song Homer intended to play for Marge is "" by Tom Jones and
 * Dr. Hibbert's exotic-dancer name "Malcolm Sex" is a parody of, along with Hibbert's risque catchphrase that's a take-off of X's credo "By Any Means Necessary".
 * In one scene Lenny and Carl fight using plutonium rods (mimicking lightsaber battles in Star Wars) and fight over whether The ' or ' suck more.
 * When Mr. Burns attempts to trap Homer in the crypt is a reference to the story .
 * The scene in the Successmanship 101 class is a parody of a famous scene from the movie  where Alec Baldwin's character gives a group of unsuccessful salesmen a combination of pep talk, insults, verbal abuse, and self-promotion.
 * Bart and Milhouse were making fun of baseball's most troubled teams (at the time the episode was released), the and the  respectively. The two also make fun of their respective pitchers  and.
 * When Mr. Burns mentions Smithers being taken to a Turkish prison eagerly is reference to  and a man imprisoned in Turkey for smuggling drugs who willingly has a homosexual relationship with another prisoner.
 * The scene where Homer is chastised by Dr. Hibbert is a parody of the famous scene from .
 * The product Homer uses all over his body is Oil of Oh Yeah, a parody of.
 * The scene where Ned sees Homer and Marge's bedroom from his bedroom, then turns off the lights as he is smoking a pipe is a reference to the movie, .
 * Homer's line, "Bart's growing up without me. He won't be ten forever." is slightly ironic because, as with most sit-coms, the characters don't age.

Trivia

 * Barney is seen sober again, even though he relapsed in the episode "I'm Spelling As Fast As I Can".
 * In "Co-Dependent's Day" Barney sends Marge to a clinic that cured him "six times".

Continuity

 * Nelson's comment that Billy Crystal "is the man at the baseball park that everyone hates" is not the first time the show has insulted Crystal. In "New Kids on the Blecch", Marge says she is a "regular Billy Crystal", leading Bart to sarcastically quip "You got that right!" However, previously Bart has stated a fondness for Crystal, stating in "The Front" that he has no interest in award shows, unless "That delightful Billy Crystal is involved." Billy Crystal's name is on Homer's revenge list in the episode "Homer the Great".
 * The organization chart Burns shows to Smithers has a crossed out picture of Frank Grimes ("Homer's Enemy") and a picture of the inanimate carbon rod ("Deep Space Homer").
 * Homer complains that Mr. Burns has never given him a thumbs-up, but in "Homer Defined", Burns gives him a "personal thumbs-up", among other rewards, for saving the plant.