Merton Park Studios

When a robbery at a racetrack goes wrong ex-con Johnny Bannion is caught and sent back to prison. He won't tell the rest of the gang where he has stashed the loot leading to violent consequences.

Dr. Decker returns from Africa after a year, presumed dead. In that year, he discovered a way of growing plants and animals to an enormous size. He brings back a baby chimpanzee to test out his theory. As he has many enemies at home, he decides to use his chimp, 'Konga', to 'get rid of them'. Then Konga grows to gigantic proportions and wreaks havoc all over London!

Film producer Reggie Wilson is worried he may have a dual personality. Fleeing Hollywood, he finds himself in England and married to the studio boss's daughter after which he quickly rises through the studio ranks. Then the letters begin to appear from a lovesick American actress who wants to know why he has thrown her over.

While perusing the books of an engineering company, fastidious auditor Frank Manning encounters rum goings on when he is approached by a woman who claiming she is being blackmailed. She begs him to find certain letters and he eventually agrees. Having obtained the letters, he takes them to a specified address where, to his horror, he finds a man, fully clothed, dead in the bath.

An atomic scientist is found floating in a river with a bullet in his back and a radioactive halo around his body. The radioactivity has put him seven-and-a-half seconds ahead of us in time. He teams up with a reporter to stop his evil double from destroying his experiments in artificial tungsten.

A group of crooks accidentally kill an elderly shop assistant while stealing the keys to the jewellery shop where she works. When his superiors think that the case is better handed over to Scotland Yard, the local detective inspector, Sparrow, decides to go solo to investigate the crime himself.

Routine tests on a traffic accident victim lead to shocking discoveries when the man's blood is found to be unidentifiable and x-rays reveal a disc embedded in his brain. His fabulous tale of being an escaped prisoner from an alien spaceship takes a turn for the sinister when the hospital staff realise that they're under a state of siege...

Alan Roper tells Bookie Larry Hart that he is planning to steal £60,000 and Hart offers to launder the money for him. What Hart doesn't know is that it is actually his money Roper intends to steal.

A gang of jewel thieves rob a house which has just become empty following the recent death of it's rich lady owner. The robbery is not a complete success and one of the gang hides the jewels in the house as he's about to be captured. Later the house is put up for sale and events lead the estate agent to conclude that the jewels may still be there.

Picking a pocket leads to blackmail and murder for a petty criminal in London.

Three teenagers encounter a ghost who is in limbo until he retrieves his lost head. They do their parts to help him find it.

Peter Chance suffers a blow to the head and wakes up with amnesia in a luxurious home, where a doctor and several women tell him he's a missing heir who's inherited millions. But Peter soon suspects something is not quite right with their story. He sets out to learn the truth before he's forced to sign a document that purportedly finalizes the transfer of the estate. This drama is based on Hugh Wheeler's novel Puzzle for Fiends.

A young woman commits suicide. Her sister is not ready to let the death go without someone answering a few questions. Namely, was it really suicide, and where is the large amount of money her sister withdrew from the bank the day before her death.

A man tells his wife that the police are after him for having killed a bookie during an alcoholic binge, but that he is innocent and is being framed for the murder. The wife and her brother hide him and try to find out who the real killer was. The more they investigate, the more holes they begin to find in the husband's story.

A yacht in the English Channel is helped to port - when the police arrive there are no crew, no papers and no clues. What is the mystery of the ghost ship?

A writer of murder mysteries finds himself caught up in a string of murders in London.

A greedy woman tries to poison her nephew's bride in a dark mansion.

Because she dials the wrong number, an old lady hears information which enables the police to solve a robbery and murder.

A slick young man buys a jewel with a cheque that bounces. He then disappears and both the police and a lawyer try to find him. The lawyer hires a female detective to track down the missing man, but when his body is found in the Thames the case is by no means over.

Arthur Payne, recently out of prison, meets a stranger, Theo Gaunt, on a train and explains his situation. A few days later another stranger makes a curious proposition. Arthur should participate in a fake robbery and remove some imitation jewellery from the stranger's own safe.