Nicky Nelson is a fast-talking sideshow barker with a wax-and-alive concession on Atlantic City's boardwalk. Even with the band of his friend, struggling musician Gene Krupa, playing on the sidewalk to attract the customers, "The Living Corpse" and other low-rent acts aren't enough to lure the seen-it-all boardwalk strollers, and the landlord closes the show in lieu of never-paid rent. Nicky, always promoting, goes to Stephen Hanratty, head of the pier's Dance Pavilion, to plug Krupa's band as an attraction, but Hanratty won't even listen to them. But, while there, he meets singer Lily Racquel, who knows he is a phoney but might have the ability to to talk a radio-station manager into giving her an audition. She gives him a ring to help finance the project; he promptly loses it in a crap-game.

Giant robots from Venus invade Chicago. Stranded in the deserted city are Frank and Nora (who has recently attempted suicide). They meet a celebrating couple at a café, Vicki Harris and Jim Wilson. The quartet escape the robot patrol and take refuge in a large hotel. There, they encounter a new danger in Davis, a psychopathic killer.

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.

Volcanic activity frees giant scorpions from the earth who wreak havoc in the rural countryside and eventually threaten Mexico City.

An ex-Nazi mad scientist uses radio-controlled atomic-powered zombies in his quest to help an exiled American gangster return to power.