When Lizzie accidentally starts a mean rumor about Kate, Miranda stands up for her friend and takes the blame. Unfortunately, she has to deal with the fallout of ticking off the school's new head cheerleader.
Gordo convinces Lizzie to turn in his science project with her name on it to prove that their teacher is giving him a lower grade because he doesn't like him.
Matt boards the wrong school bus and spends a day at Lizzie's school, where Lizzie has a harrowing time when everyone is besotted with Matt, including Ethan.
Lizzie becomes obsessed with volunteering after a school volunteer project. Meanwhile, Gordo becomes obsessed with winning the Science Olympics, and Matt goes power crazy with his new hall monitor job.
Lizzie is chosen to be a model at a teen fashion show. Soon, her newfound celebrity (and rumors of a magazine cover shoot) leads her real friends to act more like personal attendants, while the popular kids treat her like one of them.
It's Halloween, and Lizzie's school is organizing a big Halloween party. Too bad Kate's in charge, which means she gets the final say on everything. But when Kate disrespects Miranda's ancestral skeleton decorations, spooky things start to happen. Could it be the work of the spirits of Miranda's offended ancestors?
Miranda is smitten with a boy in her class, but is too nervous to talk to him. So, Lizzie decides to help her out and a misunderstanding leads the boy to believe that Lizzie has a crush on him.