Bob installs Gus as a substitute king while he has a tonsilectomy, figuring Gus will be easy to control - but Gus turns into a despot instead.

What do the kindergarteners have planned for T.J. when they capture him?

Gus finds a tile from the game Ajimbo and soon the entire student body gets caught in its evil grasp.

TJ receives an old history textbook with a treasure map that leads the gang, Randall, and the Ashleys out to get the treasure. But as they get closer, greed arises and the 4th graders fight for the treasure.