While on a field trip to New York's Museum of Natural History, Joe, Sam, and Fred travel one hundred years into the future, where they encounter robots, anti-gravity disks, and their own grandchildren.
As they are about to go on stage, Joe, Fred, and Sam are transported back to the time of Zeus and the other gods in Greek mythology, who, strangely enough, behave much as the characters in the trio's class play.
Joe, Fred, and Sam demonstrate some of their favorite professional wrestling moves, including the "Time Warp Trio Blind Ninja Smackdown," when they're transported to ancient Rome and forced to fight as gladiators in the Colosseum.
After arriving in Pennsylvania during the winter of 1776, time travelers Joe, Fred, and Samantha inspire General George Washington, "the man on the one dollar bill," to carry out a surprise attack on Hessian troops in Trenton, New Jersey, that will change the course of the Revolutionary War.
The Time Warp Trio find themselves in a desert in China, and in order to retrieve their magical book from the court of Kublai Khan, they must pose as astrologers and join the caravan of Marco Polo and his father.