Bootsie Barker Bites / Ruby the Copycat

Bootsie Barker, a bully who bares her teeth, is staying for a sleepover, so Lisa must come up with an idea to beat Bootsie at her own game. Along with the story of Ruby, the new girl in school that wants to fit in so badly that she starts copying a girl in her class and even her teacher! Will she ever find her own talent?