The six horrible Herdman children create mayhem during Halloween. Annotation. The Herdmans plus Halloween have always spelled disaster. Every year these six kids -- the worst in the history of Woodrow Wilson School, and possibly even the world -- wreak havoc on the whole town. They steal candy, spray-paint kids, and take anything that's not nailed down. Now the mayor has had it. He's decided to cancel Halloween. There won't be any Herdmans to contend...

Presents the further adventures of a motorcycle-riding mouse who goes to school and becomes the instigator of an investigation of rodents and the peacemaker for two lonely boys.