While he is lost in a pyramid while on a visit to Egypt, Gabe suddenly realizes that he is not alone, and he soon learns the meaning of the legendary curse of the mummy's tomb.
Bernie Bridges, the egotistical planner and schemer for a group of fourth-graders at The Rotten School, is determined to outsmart his rival in a pie-eating contest.
The biggest, toughest girl in school joins the football team and foils a sly fourth grader's attempts to win the affections of the snobbiest girl in the class.
When Michael sneaks into his superstitious teacher's house to play a prank on her, he discovers that she is an evil alien hatching up a brood of monsters to take over the Earth.