When Homer forms his own security company (SpringShield) in season 13, the litany of Homer's many jobs prior to this is: boxer, mascot, astronaut, imitation Krusty, baby-proofer, trucker, hippie, plow driver, food critic, conceptual artist, grease salesman, carny, mayor, grifter, bodyguard for the mayor, country-western manager, garbage commissioner, mountain climber, farmer, inventor, Smithers, Poochie, celebrity assistant, power plant worker, fortune cookie writer, Beer Baron, Quik-E-Mart clerk, homophobe, and missionary.
The title is based on the 1965 single "Papa's Got a Brand New Bag" written and recorded by James Brown.
When the power goes out in Springfield someone yells, "I'm going to miss FOX celebrity boxing!" The night when this episode appeared, celebrity boxing aired right after it.
Two of Fat Tony's out of town crew are Sopranos characters Christopher Moltisanti and Pauli "Walnuts" Gualtieri. They do not speak in the episode.
Otto steals Pablo Picasso's popular painting Guernica.