Things have been disappearing at Strange Hill High, and Mitchell finds himself as the prime suspect. Can he clear his name and find out who the real perpetrator is?

Becky wants to audition for the school play, Scary Poppins, but Miss Grackle, the music teacher, sings her to sleep. Becky dreams of a crazy dream world inhabited by an evil monster named The Grackle.

Competition between new sweets being served by the school chef and Becky selling healthy snacks gives a surprise to the trio when they find out what's behind the new menu at Strange Hill High.

With a mysterious book at the cause of many students' disappearances at Strange Hill High, Mitchell and his friends investigate the creepy, dark, and lonely school Library.

Mitchell and his friends write news stories for the school paper in order to get tickets to see their favorite rapper in concert. However, something extraordinary happens and it leaves them having to put back the pieces.

Mitchell, Becky, and Templeton are forced to watch a horrible old school safety film from the 1970's during School Safety Week, when suddenly they find themselves trapped in the film itself.

Looking for a place to hide and avoid his teachers after not doing his assignments, Mitchell stumbles on an unused classroom - a room that looks like it hasn't been used for 100 years.

When the trio gets tossed into detention on a snowy day, they're put in charge of cleaning the old and cramped Science Room. While cleaning, they discover a device that soon takes things out of proportion.

Becky wants to join the cheerleading squad but is stopped by the stuck-up cheerleaders. Instead, they allow her to become the team mascot, which in turn brings them all good luck, whether it's winning a game or scoring well on a test. But soon she discovers that with every piece of good luck, comes a piece of bad luck

Election Day is coming and it's Becky's perfect chance to win and gain the popularity she's always wanted. But with competition at her doorstep, one creative idea from Mitchell gives her the competitive edge. But will it go as planned?

Strange Hill High's computers are hopelessly out of date - breaking down, going up in smoke, and simply falling apart. But with the new technology at the school, it seems all too perfect and it's up to Mitchell and his friends to find out what's behind the changes.