A young child looks out a bedroom window seeing the backyard as it would have looked if she had seen it during various historical and geological periods.
After an earthquake briefly disrupts their canoe trip in the Ozarks, Randy and his cousin Morgan travel into the future where, depleted and overpopulated, the country has lapsed into medieval society.
Omri and his friend Patrick must risk grownups' discovering their secret when they find themselves in need of a friend's toy plastic doctors to save wounded people from the dangerous world of the Old West which the cupboard enables them to enter.
Eleven year old cousins Linny and Hilary find themselves transported back to their old Brooklyn neighborhood to a time just before Linny's mother died and Hilary's father left home.
During a summer vacation spent with a great aunt in New Hampshire, a 14-year-old experiences a number of dream-like episodes that take her back to the 18th century, and these episodes help her to deal with her problems with a cousin in the 20th century.
When Mademoiselle Friselis takes her class to a dinosaur dig to look for Maiasaura nests, the Magic School Bus turns into a time machine and transports them back into prehistoric times--when dinosaurs roamed the Earth.
Cyril, Anthea, Robert, Jane, and their baby brother are longing for excitement when they discover that the carpet Mother bought in a junk shop is the answer to their prayers.
