How Munched Is That Birdie in the Window?/References

Cultural references

 * The episode title is a pun on the children's song ""
 * The animal welfare groups that Lisa is a member of are spoofs of several real-life groups:
 * "People for the Ethical Treatment of Amoebas" is a spoof of.
 * "The League of Women Vultures" is a spoof on the.
 * "NAAC Porcupines" is a spoof on the.
 * "Kids for Squids" is a spoof of.
 * "ACLUnicorns" is a spoof of the.
 * "Clamnesty International" is a spoof of.
 * The Annual Springfield to Shelbyville Birditarod (the fake bird race which Moe makes up) is a pun on the which is held annually in.
 * The song Mr. Burns ballet dances to is "Once Upon a Dream" from.
 * The music that plays during Bart's and Milhouse's messaging montage is "The Typewriter" by.
 * Raymond Bird is a possible reference to the Canadian actor.
 * The music played when Bart tries to release Ray is the melody of "The Summer Knows", written by.
 * Martin, Database, Milhouse and Nelson perform "Put on a Happy Face" from .
 * The featured Itchy & Scratchy short, "Dogday Hellody of 1933" is a reference to the Genesis song Broadway Melody of 1974, although the plot resembles that of the 1935 Disney short "", where a dog is tried by a courtroom full of cats in Hell (in this case, Itchy as the judge and several Scratchys as the jury) for cruelty to animals. Several famous 1930s Hollywood actors appear as caricatures during this segment: Will Rogers, Bing Crosby, W. C. Fields and Harpo Marx. Also appears Al Capone

Trivia

 * In Latin America, this episode was released as the sixth episode of the season for unknown reasons.

Continuity

 * Superintendent Chalmers mentions that Mrs. Krabappel was on the rebound from Groundskeeper Willie, the two arrange a date in "My Fair Laddy" and had sex during the Tik Tok opening sequence. ("To Surveil with Love")
 * Chalmers and Edna previously hooked-up during the Rigellian invasion in The Simpsons Game, though this is non-canon.

Goofs

 * In the scene before the Itchy & Scratchy episode, Santa's Little Helper is colored a much darker brown than usual.