Love Thy Trophy is episode 05 of family guy season 02. It was originally aired on March 14, 2000.
When Peter and his neighbors win a trophy for building the best float at a local parade, they fight over who gets to keep it. As a compromise, they decide to display the trophy in a place they all can enjoy it. But when it’s stolen, everyone becomes a suspect. Meanwhile, in order to afford an expensive purse, Meg gets a job as a waitress and pretends Stewie is her son for sympathy tips.