The Time Warp Trio find themselves in the middle of an adventure in prehistoric times, where cave art is a form of graffiti and "rock" music takes on a whole new meaning.
In their latest time travel adventure, Fred, Joe, and Sam meet Leonardo da Vinci and try to avoid becoming toilet scrubbers in a sixteenth-century Italian army.
Thanks to their magical book, Fred, Sam, and Joe inadvertently travel through time to 1877 New York City, where they and their granddaughters, who have also come from the future, help them find a way back to their own time.
Sam, Joe, and Fred finish their school project on ancient Egypt without using their magical time travel book, but when Joe's sister Anna plays with it and travels to the land of pyramids, they must follow her back in time to bring her back to 1996.
Joe, Fred, and Sam find themselves whisked by The Book to the main ring-ball court in Chichin Itza, Mexico in 1000 A.D., where they must play for their lives against a Mayan High Priest who cheats.