<P> Nicki Kapowski ( portrayed by Laura Mooney ) is Kelly 's tomboyish little sister who develops a crush on Zack . She becomes convinced that Zack feels the same way after he mixes up her phone call with Kelly 's ( while running the `` Teen Line '' ) . Although she is only thirteen and in the seventh grade , she nonetheless shows up at Bayside High to visit Zack , sporting a more feminine look and demanding a kiss . After trying various ploys to turn her off ( including dressing up like a geek and trying to gross her out with a pet spider ) , Zack finally has to tell her the truth : he is n't interested in her ; he is in love with Kelly . More angry than hurt , she insults Zack for trying to scare her away instead of having the courage to tell a thirteen - year - old girl how he really feels . </P>
<P> Nicki Kapowski ( portrayed by Laura Mooney ) is Kelly 's tomboyish little sister who develops a crush on Zack . She becomes convinced that Zack feels the same way after he mixes up her phone call with Kelly 's ( while running the `` Teen Line '' ) . Although she is only thirteen and in the seventh grade , she nonetheless shows up at Bayside High to visit Zack , sporting a more feminine look and demanding a kiss . After trying various ploys to turn her off ( including dressing up like a geek and trying to gross her out with a pet spider ) , Zack finally has to tell her the truth : he is n't interested in her ; he is in love with Kelly . More angry than hurt , she insults Zack for trying to scare her away instead of having the courage to tell a thirteen - year - old girl how he really feels . </P>
who plays nikki on saved by the bell
who plays nikki on saved by the bell
Laura Mooney
Laura Mooney