When his father dies, poor Fella is left at the mercy of his snobbish stepmother and her two no-good sons Maximilian and Rupert. As he slaves away for his nasty step-family, Maximilian and Rupert attempt to find a treasure Fella's father has supposedly hidden on the estate. Hoping to restore her dwindling fortunes, the stepmother plans a fancy ball in honor of the visiting Princess Charmein whom she hopes will marry Rupert. Eventually, Fella's Fairy Godfather shows up to convince him that he has a shot at winning the Princess himself.
Viruta and Capulina are about to be evicted from the neighborhood where they live for not paying rent for eleven months. After several troubles with the police and the building owner, it is clarified that Capulina had saved the money to pay for the operation of a child that lives in the building. After all, the doctor operates the child for free, the neighbors celebrate with a big party and the building owner forgives them all the income.
Mike Hamilton, a Philadelphia lawyer, comes to Naples to settle the estate of his long estranged "black sheep" brother. Once there, he discovers that the deceased has left an 8 year old boy who is being raised by Michael's sister-in-law Lucia Curcio. To complicate matters, Lucia happens to be a sexy nightclub performer.
Stanley is a bellboy at the Fountainbleau Hotel in Miami Beach, where he performs his duties quietly and without a word to anyone. All he displays are facial expressions and a comedic slapstick style. And anything that can go wrong, does go wrong when Stanley is involved. One day, Jerry Lewis arrives at the hotel and some of the staff notice the striking resemblance.
Seymour works in a skid row florist shop and is in love with his beautiful co-worker, Audrey. He creates a new plant that not only talks but cannot survive without human flesh and blood.
The Posalaquaglia cousins are two small scammers and make a living of expedients: Dante receives as recognition for Tommaso a bill of one hundred thousand lire from the famous financier Bruscatelli, who ends up in prison immediately afterwards.
Nerdy Walter Paisley, a maladroit busboy at a beatnik café who doesn't fit in with the cool scene around him, attempts to woo his beautiful co-worker, Carla, by making a bust of her. When his klutziness results in the death of his landlady's cat, he panics and hides its body under a layer of plaster. But when Carla and her friends enthuse over the resulting artwork, Walter decides to create some bigger and more elaborate pieces using the same artistic process.
When the swindler La Spada and his accomplice José come out of jail in Madrid, they decide to pull a really great swindle: nothing less than to discover and sell a third picture of the famous Goya's Maya. They engage the renowed Scorcelletti who can imitate any picture and who lives in Rome. Afterwards, with the help of the beautiful Eva, they convince the celebrated art critic Francisco Montiel of the existance of a third Maya and let him find the picture. When the swindlers are on the point of selling the faked maya to an American millionaire, Scorcelli comes back from Rome to sell one of his six other maya pictures.
Norman Pitkin and Mr Grimsdale are council workmen mending the road outside an Army base when they come into conflict with the military. Shortly afterwards, they get drafted and fall into the clutches of the Sergeant they have just bested. They are sent to France to repair roads in front of the Allied advance but get captured. Pitkin takes advantage of a useful similarity to impersonate General Schreiber and manages to return a hero
Marietto is a very lively and creative orphaned child, housed in a boarding school of nuns. One day, while browsing a newspaper, he sees a photo of a beautiful opera house dancer, Camilla, and is convinced that she is her mother.
The fake private detective Mike Spillone is hired by two old ladies to find out if Brigitte, the wife of their nephew Otello Bellomo, has a lover. Brigitte is a physician but the two aunts are unaware of the fact. While investigating, Mike and his assistant Johnny discover Brigitte with a prospective patient, the marquis De Vitti who was shot by the husband of the woman he tried to seduce. Afterwards Spillone finds her with her husband who he believes to be her lover.
With their headmistress under lock and key in her majesty's prison, the St Trinian's girls find themselves under the protection of the army. However, when the sixth form take a fancy to winning a trip to Italy through means fair or foul, the army discover this is one battle they can't win. Let loose in Europe, it is not long before St Trinian's have succeeded in endangering European relations.
Nigel Dennis publishes a scandal magazine. But for each story he writes, he first approaches the person whose scandalous behavior is described (or rather implied, to avoid any libel suit) and says he will suppress the story in return for money. Several of his victims first decide individually to kill him instead of paying, but fail in amusing ways. Then they find that to protect their various secrets they must now join forces for a rather different purpose...
Private Meredith Bixby is so out of step in the Army that his six weeks of planned basic training has now stretched to 17 months. After he loses a tank, WAC Major Shelton, a psychologist, is assigned to make a good soldier out of him. She requests Corporal Dolan and Private Stan Wensalawsky to help with the training. Dolan and Stan both have scores to settle with Bixby and their "guidance" leads to more mishaps. Sergeant Pulley has them shipped out to Morocco. On leave in North Africa, Bixy wanders alone into a bar, has a few Moroccan Delights, which he thinks are malted milks, and becomes convinced that exotic singer-dancer Zita is THE girl for him.
The singing, rhyming citizens of Hamelin hope to win a competition with rival towns for royal recognition. To this end, the mayor outlaws play (which is a bit hard on the children) and refuses to help a rival town when it's flooded. But rats (seen only as shadows), fleeing the flood, invade Hamelin in droves; a magical piper, whose music only children (and rats) can hear, strikes a bargain...which, once the rats are gone, the Mayor and council renege on, to their subsequent regret.
Norman works in a jewellers workshop and fantasises (in the nicest way) about meeting the window dresser across the road from his workshop. He wants to buy her a diamond pendant but calculates it will take him over 100 years to save up for it. He is talked into betting a pound on a six horse accumulator at the Goodwood races with a slightly shady bookmaker. When he has won on the first five races, the bookie owes him over 16,000 pounds and everyone begins to worry. Everyone's future depends on a single race ... what can be done ?
A recently-deposed "Estrovian" monarch seeks shelter in New York City, where he becomes an accidental television celebrity. Later, he's wrongly accused of being a Communist and gets caught up in subsequent HUAC hearings.
An Iowa pajama factory worker falls in love with an affable superintendent who had been hired by the factory's boss to help oppose the workers' demand for a pay raise.