A group of drag-racing fanatics, members of a Los Angeles club, move into an old deserted mansion and set up shop, making it their headquarters. They hold a Halloween masked ball for the club's grand opening, and invite everyone to come dressed as their favorite monster! Oddly enough, the festivities turn sour when one of the bright youths discovers an impostor among them in the form of an honest-to-gosh live monster who's been hogging all the dances with the best-looking girls

A troublemaker returns to town only to find his old tearaway pals have joined a supervised motorcycle club. Friction erupts between him and the new leader about this goody-goody setup, and about the charms of gang moll Terry.

A teenage couple making out in the woods accidentally runs over an alien creature with their car. The creature's hand falls off, but it comes alive, and, with an eye growing out of it, begins to stalk the teens. Meanwhile, Joe the town drunk wants to store the body in his refrigerator, but some of the alien's buddies inject alcohol into his system, and Joe dies of an overdose.

Girl loves hot cars and a rich dragstrip racer. Her parents don't like either one.

Deep in the jungles a mad scientist is using the natives' voodoo for his experiments to create an indestructible being to serve his will. When a party of gold seekers stumbles upon his village, the scientist realizes that Marilyn the expedition's evil leader is the perfect subject for his work.

Two psychics place a prostitute under hypnosis in order to learn about her past-life experiences. When they unwittingly send her back in time, she finds herself in the Middle Ages, suspected of being a witch and on the verge of being executed.

A mysterious hypnotist reverts his beautiful assistant back into the form of a prehistoric sea monster that she was in a past life.

An alien from Venus tries to take over the world with the help of a disillusioned human scientist, as his wife, his best friend and the friend's wife try to intervene.

After a nuclear attack, an unlikely group of survivors, including a geologist, a crook and his moll, and a prospector, find temporary shelter in the remote-valley home of a survivalist and his beautiful daughter, but soon have to deal with the spread of radioactivity - and its effects on animal life, including humans.