A temporada 30 de Saturday Night Live foi transmitida em NBC de samedi 2 octobre 2004 para samedi 28 mai 2005. Consiste em 22 episódios, o primeiro chama-se "Ben Affleck/Nelly" e o último "Best of Alec Baldwin"..
Each week, live from New York, a famous guest host appears in sketches and parodies alongside a company of up-and-coming comedians. A popular musical guest, short films, and Weekend Update - a recurring satirical newscast - form the backbone of one of the most influential and culturally significant comedy shows in history.