During a devastating flood, Matt and his parents are transported to a mysterious planet inhabited by other misplaced earthlings and ruled by robots where Matt teams up with two young geniuses in an effort to escape back to Earth.
Two little mice, Molly and Jake, settle into their new home behind the walls of Public School 42, where they make some new friends, including the class hamster, and some new enemies, like the nasty cat called Big Gray.
Young skeptic Hayward Palmer, who has a logical explanation for everything, is forced to open his mind when he accompanies his father to work at the sensationalistic newspaper "The Daily Comet" and encounters an enormous fact he cannot explain.