A huge burrowing machine tunnels out of control at ferocious speed, cutting clean through to the center of the earth, to the twilight world of pellucidar. Once there, Dr. Perry and David Innes are threatened by half human creatures, lizard-like birds, and man-eating plants.
Welcome to lush Dinosaur Island, where a tribe of gorgeous cavedwelling warrior women satisfy the exotic fantasies of five downed military airmen. Fearsome battles with the island's ferocious maneating dinosaurs are the only disruption of their seductive pleasures on this island paradise. Narrowly surviving with their lives, the rugged men fall under the seductive spell of their lovely captors and soon find their every dream fulfilled.
Set in the stone age, the stooges are cavemen who must have various misadventures hunting, gathering, and otherwise coping with prehistoric life. When some other cavemen threaten to take their women ("Aggie", "Maggie", and "Baggy"), the boys fight them off with a catapulting tree branch that shoots rocks and eggs.
On a class excursion to a cave with stone age paintings the clumsy Rex gets lost. A mysterious crystal opens a gateway in time and sets him back to the stone ages, where he meets a group of prehistoric fellows and the gorgeous Eba. While teaching her English and doing some pseudo-research on her fellows, his main goal is to get her sleeping with him. However the curiosity of the clan chief disturbs his attempts.
Leader of a tribe of amazon women, Queen Kari, has vanquished a rival tribe and rules them with savage ruthlessness and cruel arrogance. A hunter stumbles onto the enclave and falls for one of the slaves, so unleashing the anger and envy of the possessive, sadistic Queen.
A space ship crash lands on the third planet of a distant solar system, killing all hands except for a young boy named Tang. The rescue ship arrives some 20 years later. One of the crew, a girl named Linda meets Tang and falls in love with him. They are attacked by the native humanoids of the planet and many of them are killed off. Also, the crew encounters many strange beasts on this strange, but somewhat familiar world.
Major Ben McBride organizes a mission to the Antarctic wastes to search for his friend who has been missing in the region for several years. McBride's party find themselves in a world populated by primitive warriors and terrifying prehistoric creatures, all of whom they must evade in order to get back safely
Set mostly in the Stone Age, a prehistoric king, with a harem of wives, rules a beach. Charlie arrives and falls for the king's favorite wife. In the end, it turns out to have been a dream; Charlie was asleep in the park.
After thawing, a young prehistoric woman, Lucy, gets herself taken care of by David, a young intern at a marketing firm. Working on a campaign ad for a cosmetics company, David becomes Mr. Bigshot when his protégé is chosen to be the model/spokeswoman for her animal personality.
A British secret service agent tracks down a lunatic doctor whom has stolen the frozen body of a dormant cave woman from a determined archaeologist.