An old-time crook plans a heist. When one of his two partners is found out to be a black man tensions flare.

After the suspicious suicide of a fellow cop, tough homicide detective Dave Bannion takes the law into his own hands when he sets out to smash a vicious crime syndicate.

A screenwriter with a violent temper is a murder suspect until his lovely neighbor clears him. However, she soon starts to have her doubts.

In a tributary of the Amazon, a monster – half-man, half-fish – is captured and placed in a reservoir in a Florida national park to be observed by scientists.

A mad doctor builds a robot in order to steal a valuable Aztec treasure from a tomb guarded by a centuries old living mummy.

Baron Victor Frankenstein has discovered life's secret and unleashed a blood-curdling chain of events resulting from his creation: a cursed creature with a horrid face — and a tendency to kill.

To avoid the life-threatening dangers of manned space exploration, Professor Nordstrom creates highly advanced form of artificial intelligence capable of piloting a starship to other worlds. In order to transmit alien data, the extraordinary robot is infused with a powerful telepathic device that enables it to instantly read and even feel emotions. Danger strikes when a sinister band of covert agents kidnaps Gadge, the professor's 10-year-old grandson. But Gadge has a powerful ally. For he has developed a psychic, emotional bond with his grandfather's robot. And now Gadge's captors must suffer the wrath of his protective friend. They must face a mechanical monstrosity bent on a killing rampage of revenge and destruction.

Eight people at a remote Scottish inn find themselves confronted by a woman from Mars, who has landed her flying saucer for repairs but intends to soon conquer the Earth and enslave its men for breeding purposes.

Starship C57D travels to planet Altair 4 in search of the crew of spaceship "Bellerophon," a scientific expedition that has been missing for twenty years. They find themselves unwelcome by the expedition's lone survivor and warned of destruction by an invisible force if they don't turn back immediately.

When scientists exploring the Amazon River stumble on a “missing link” connecting humans and fish, they plan to capture it for later study. But the Creature has plans of his own, and has set his sights on the lead scientist's beautiful fiancée, Kay.

Lorelei Lee is a beautiful showgirl engaged to be married to the wealthy Gus Esmond, much to the disapproval of Gus' rich father, Esmond Sr., who thinks that Lorelei is just after his money. When Lorelei goes on a cruise accompanied only by her best friend, Dorothy Shaw, Esmond Sr. hires Ernie Malone, a private detective, to follow her and report any questionable behavior that would disqualify her from the marriage.

The first manned flight to Mars returns after having been out of communications since it had arrived on Mars. What would it reveal?