The fifteenth season of Saturday Night Live, an American sketch comedy series, originally aired in the United States on NBC between September 30, 1989 and May 19, 1990.

Dunn, in protest of the Andrew Dice Clay-hosted episode due to the comedian's misogynistic content, decided to boycott the episode in the hopes that Lorne Michaels and other producers would rescind Clay's invite.

[10] After the incident, she left the show in earnest, with Michaels describing it as Dunn's choice.

bold denotes Weekend Update anchor Mike Myers is credited as a featured player in the opening montage for all of the first 11 episodes before being bumped up to repertory status in the 12th episode.

A. Whitney Brown and Al Franken are credited as featured players for six episodes each sporadically throughout the season.