The Mystery of Mr. X

At a party thrown at the Metcalf estate, the Marquise D'Irancy's Sultana diamond disappears when the lights go out during a power failure. Suspected of the crime is William Kirkland, the wastrel son of the wealthy Kirkland family, but William's sister Diana comes to his defense. Aiding her in the investigation is Clamp, a wandering peddler.

During the Florida land boom, the Marx Brothers run a hotel, auction off some land and thwart a jewel robbery.

Police Chief Jim Fitzpatrick is after gangster Sam Belmonte. He uses his own corrupt brother Ed to watch over Daisy who was associated with Belmonte.

Robot Johnny 5 moves to the city to help his friend Ben Jahrvi with his toy manufacturing enterprise, only to be manipulated by criminals who want to use him for their own nefarious purposes.

When the coach of the France soccer team is killed by a poisoned dart in the stadium in the end of a game, and his expensive and huge ring with the diamond Pink Panther disappears, the ambitious Chief Inspector Dreyfus assigns the worst police inspector Jacques Clouseau to the case.

Tommy and Mike, again without a job and without money, are looking for a public toilet at a motor show.

Miles Logan is a jewel thief who just hit the big time by stealing a huge diamond. However, after two years in jail, he comes to find out that he hid the diamond in a police building that was being built at the time of the robbery. In an attempt to regain his diamond, he poses as an LAPD detective.

Culture shock bombards a woman and her family when they leave their hick town to help her sister out in her big-city beauty parlor.

During Civil War Reconstruction, the Connelly family is romantically restored to their former glory when Will Connelly marries a Yankee farm girl, Joanna Tate, despite the objects of his temperamental father Bob Connelly.

1890, London, and a serial killer known as The Terror is murdering policemen. When gentleman thief Nicholas Revel unwittingly becomes the chief suspect, he must use his guile and wits to prove he’s not the killer; whilst also not getting caught for a jewel robbery he has just committed.

Two young Chicago hoodlums, Tom Powers and Matt Doyle, rise up from their poverty-stricken slum life to become petty thieves, bootleggers and cold-blooded killers. But with street notoriety and newfound wealth, the duo feels the heat from the cops and rival gangsters both. Despite his ruthless criminal reputation, Tom tries to remain connected to his family, however, gang warfare and the need for revenge eventually pull him away.

Chorus girl Patsy Shaw crashes a high-society party, meets playboy Charlie Breen, they fall in love, and are on their merry way to wedded bliss. However, Charlie's snobbish, ever-loving mama doesn't think that Patsy is worthy and sets out to prove it.

The Warrior's Husband is a satire of the male and female roles in society set in 800 B.C.. Queen Hippolyta (Marjorie Rambeau) rules Pontus with masculine authority; in fact, it is the women of Pontus who do all the laboring, fighting, and governing. Hippolyta's husband Sapiens (Ernest Truex) is truly a sissy of the first order, and is not unlike most of Pontus' male inhabitants.

A singer is involved with two women in his life, one a "good" girl and one a "bad" one."

An escaped convict and the detective tasked with hunting him down end up working in parallel to clear the convict's name and nab the gangsters that framed him.

A woman convicted of fraud aims to take her revenge on the man who put her inside after being released on parole.

Unable to find open range near Hollywood, western actor Tom Baxter and his troop head to Judy Blake's ranch to shoot their film.

Two brothers' trip to the big city to do a little gambling results in a fateful turn of events.

When legendary treasures from around the world are stolen, including the priceless Pink Panther Diamond, Chief Inspector Dreyfus is forced to assign Inspector Clouseau to a team of international detectives and experts charged with catching the thief and retrieving the stolen artifacts.

Two young women will stop at nothing for one to gain a $4 million inheritance of two priceless diamonds, while two detectives try to thwart their plans, but find complications abound.