The fifth season of Saturday Night Live, an American sketch comedy series, originally aired in the United States on NBC between October 13, 1979, and May 24, 1980. John Belushi and Dan Aykroyd left the show at the end of the fourth season, leaving a void in the cast that most fans thought would be the beginning of the end of the late-night sketch show. To keep the show going, Lorne Michaels upgraded many of the show's writers to featured cast member status: Peter Aykroyd (Dan's brother), Jim Downey, Brian Doyle-Murray (Bill's brother), Don Novello, Tom Schiller and Alan Zweibel. Band leader Paul Shaffer also joined the cast, becoming the first person from the SNL band to become a cast member. Harry Shearer joined the show as a featured cast member and was promoted to repertory status during the season. This season was also the first to have two members of the same family as cast members, (Bill Murray and Brian Doyle-Murray). This would be the final season for everyone in the cast. Tom Davis and Downey would return to the show in future seasons as writers. Al Franken, Doyle-Murray, Novello, and Shearer would rejoin the cast in future seasons (Franken would also return as a writer).