: Stewie eventually wins the skirmish, successfully reclaiming his territory from his rival sibling. Notable Moments
: The episode includes a shot-for-shot parody of the film Better Off Dead during a drag race scene. [S4E22] Sibling Rivalry
: One famous gag features the letter "Y" being mocked by other vowels for only being a "semi-vowel". Family Guy S4E22: "Sibling Rivalry" Recap - TV Tropes : Stewie eventually wins the skirmish
: After undergoing a vasectomy, Peter loses his sex drive, leaving Lois feeling neglected. To cope with her frustration, she begins overeating. Peter loses his sex drive