A temporada 29 de Saturday Night Live foi transmitida em NBC de samedi 4 octobre 2003 para samedi 22 mai 2004. Consiste em 21 episódios, o primeiro chama-se "Jack Black/John Mayer" e o último "Best of Christopher Walken"..
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.