John Arnold DeMarco is a man who believes he is Don Juan, the greatest lover in the world. Clad in a cape and mask, DeMarco undergoes psychiatric treatment with Dr. Jack Mickler to cure him of his apparent delusion. But the psychiatric sessions have an unexpected effect on the psychiatric staff and, most profoundly, Dr Mickler, who rekindles the romance in his complacent marriage.

Young-goon, mentally deranged and frequently electro-charging herself with a transistor radio, has been admitted into a mental institution. Firmly believing herself to be a cyborg, she refuses to consume like a human being. Il-soon is another patient, who catches the eye of Young-goon and soon becomes a close friend. Il-soon is now confronted with the biggest task: to cure Young-goon's mental problem and have her eat real food.

A mentally deranged sanatorium patient imagines that he is the world's greatest actor.

Inspired by a true story, a comedy centered on a 27-year-old guy who learns of his cancer diagnosis and his subsequent struggle to beat the disease.

Two bumbling crooks are caught stealing a couple of diamond rings. Rather than get sent to jail, they convince the judge to send them to a mental institution instead. But the asylum turns out to be a haunted place, and the two are left to uncover the secret behind the paranormal mysteries that lead to the deaths of the staff.

Roscoe's wife, tired of his endless drunkenness, reads of an operation that cures alcoholism and has him admitted to No Hope Sanitarium to get the surgery. Roscoe, wanting out, eventually disguises himself as a nurse to effect his escape.

An artist has an opportunity to go to Paris and wants to bring his fiancee along. However, she's a psychiatrist who currently has three female patients who don't like men. So, he guises himself as three different men to gauge their trust and hopefully cure them so that his fiancee can go with him.

A satirical take on dentistry.

Detectives Dick Williams and Andy McAllister find themselves trying to solve several crimes at an isolated mentally-ill hospital, where the patients range from slightly daffy to criminally insane, and they don't know which is which. A gang is out to steal a fortune inherited by one of the patients and, before Dick and Andy solve the case, several patients are transferred to the cemetery. And 'tiddlie-winks" are indeed involved.

A gang of thieves plan to make their fortune by stealing a shipment of contraceptive pills from Finisham maternity hospital. They assume disguises and infiltrate the hospital, but everything doesn't go according to plan. The hypochondriac consultant Sir Bernard Cutting, Matron and the doctors and nurses at Finisham have a habit of getting in the way.

Bertram Pincus, a cranky, people-hating Manhattan dentist, develops the unwelcome ability to see dead people. Really annoying dead people. Even worse, they all want something from him, particularly Frank Herlihy, a smooth-talking ghost, who pesters him into a romantic scheme involving his widow Gwen. They are soon entangled in a hilarious predicament between the now and the hereafter!

George is the scapegoat of his classmates. One day he cracks and shoots them. His best and only friend Blaise is accused in his place and sentenced to 7 years in a psychiatric hospital. At the day of his release, Blaise realizes he only has one family: his best friend George. But he does not want to hear about his childhood friend, as he tries to integrate with the “Chivers” a gang whose members wear red jackets and boots, drink milk, drive sport trucks and play an incomprehensible and violent game that mixes cricket and mental arithmetic.