Season 2: Episode 12: Love Thy Trophy
When their Who's the Boss float takes top prize in the Quahog Harvest Day Parade, the neighborhood literally goes to war over who gets custody of the trophy. Meanwhile, in an effort to get big tips at her new waitressing job in an effort to buy a 'real Prada bag', Meg tells customers that Stewie is her illegitimate crack baby. When family services investigates, and finds the Griffin home in the middle of a war zone, they take custody of Stewie. Once everyone finds out that Stewie's in foster care, the neighborhood declares peace and plots a rescue mission. It turns out that Brian buried the trophy in the back yard because he likes to bury shiny things.