When two Flummels (an adorable species of fluffy animals with holes in their center) are magically transported to the present day, they learn that their species are now extinct and forgotten. They must now travel back in time to try to save their race from disappearing forever.
Op and Ed accidentally time-travel from the Galapagos Islands in 1835 to present-day Shanghai. They make their way through the city in confusion and make the horrifying discovery that the species to which they belong became extinct shortly after.