The Kids Are All Fight/References

Cultural references

 * The title of the episode is a reference to the Academy Award-nominated 2010 comedy-drama film , directed by . This was also referenced with the title of the season 25 episode "The Kid Is All Right".
 * "The Sunshine Boys" is a reference to the play by the same name by.
 * At the beginning of the episode, while Bart and Lisa's fights photos are shown, the song that plays is  by The Who.
 * The third photo in Moe's developer tray is Homer in a nude pregnant pose just like the one of in the magazine.

Continuity

 * A matchbook refers to the marriage between Selma and Bob Terwilliger. ("Black Widower")
 * A hat refers to the marriage between Selma and Disco Stu. ("There's Something About Marrying")
 * The Clown Bed Homer build for Bart is shown. ("Lisa's First Word")
 * Grandma Flanders is seen, and then dies ("Lisa's First Word") despite the fact that in ("Lisa's Date with Density"), which takes place in the present, Ned repeatedly picks up the phone thinking that she's calling.
 * Bart hits Lisa with the Phonic Frog. ("Smart and Smarter")
 * Lisa mentions the time when Apu let Homer eat expired hot dogs ("Homer and Apu")

Goofs

 * In the flashback in Moe's Tavern, there's a picture of Homer, Lenny, Carl and Barney. In the picture, Homer is bald, despite having hair in the flashback and not being bald until years later.