A Time Molcar (styled after the DeLorean from the Back to the Future movie franchise) arrives at a prehistoric ice age with its passengers, its mad scientist inventor and his young female companion, to know the ways of prehistoric man and the associated theory of evolution. Their arrival, however, extinguishes a large bonfire, earning the ire of the tribesmen that set it. The tribesmen chase and eventually corner the time traveling group to a steep rock formation, but the former group is scared off by the appearance of a large (live action) guinea pig, a possible ancestor to all Molcars...