The gang tries to rescue Jenny from the retirement home, but when Atticus' disgruntled minion Bob uses the book to create a feast that makes everyone who eats it hungrier, they're forced to fight an army of seniors hungry for human flesh.
Jenny's father, now out of his coma, tries to join the gang, but when he's rejected, he uses the book to steal people's skin and disguises himself as various male students to infiltrate the gang.
When cheerleaders start disappearing from the school hallways, leaving only their shredded uniforms behind, the gang becomes convinced that they've been eaten by a mysterious creature called The Beast.
An environmentalist fanatic becomes fed up with the littering going on at the school and uses the book to turn the school and everyone in it prehistoric.
After being embarrassed in an online game by Todd and Curtis, a student uses the book to turn the school into a live-action RPG which the gang must battle through.