During a high-profile Mafia testimony case in Riverside County, a hired killer checks into a hotel room near the courthouse, while his depressed neighbor contemplates suicide over marital problems.

Two bumbling service station attendants are left as the sole beneficiaries in a gangster's will. Their trip to claim their fortune is sidetracked when they are stranded in a haunted house along with several other strangers.

A disgraced reporter investigates an abandoned luxury hotel where five people mysteriously disappeared sixty years earlier.

Clue finds six colorful dinner guests gathered at the mansion of their host, Mr. Boddy -- who turns up dead after his secret is exposed: He was blackmailing all of them. With the killer among them, the guests and Boddy's chatty butler must suss out the culprit before the body count rises.

The accidental mix-up of four identical plaid overnight bags leads to a series of increasingly wild and wacky situations.

In Venice, a millionaire hires an actor to help him prank three greedy exes into thinking he's dying and leaving his fortune to one of them.

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.

When an upwardly mobile couple find themselves unemployed and in debt, they turn to armed robbery in desperation.

A Broadway playwright puts murder in his plan to take credit for a student's script.

Detective Guy Johnson's client, Willie Heywood, is framed for murder. While Guy hides him so he can catch the real killer, both of them are nabbed by the police, tried, convicted and sentenced to jail: Guy for a year with Willie to be executed. On the way to jail, Guy comes across a clue and escapes from the police.

Society sleuths Nick and Nora Charles investigate a murder in a jazz club.

When the bumbling Lieutenant Frank Drebin investigates events following the shooting of his partner, he stumbles upon an attempt to assassinate Queen Elizabeth II.

Aspiring comic Rupert Pupkin attempts to achieve success in show business by stalking his idol, a late night talk-show host who craves his own privacy.

Virgil Starkwell is intent on becoming a notorious bank robber. Unfortunately for Virgil and his not-so-budding career, he is completely incompetent.

High society sleuths Nick and Nora Charles run into a variety of shady characters while investigating a race-track murder.

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

While watching from her train window, Nikki Collins witnesses a murder in a nearby building. When she alerts the police, they think she has read one too many mystery novels. She then enlists a popular mystery writer to help her solve the crime on her own, but her sleuthing attracts the attentions of suitors and killers.

In late 1967, a young orphaned boy goes to live with his loving grandma in the rural Alabama town of Demopolis. As the boy and his grandmother encounter some deceptively glamorous but thoroughly diabolical witches, she wisely whisks him away to a seaside resort. Regrettably, they arrive at precisely the same time that the world's Grand High Witch has gathered.

Stranded in Egypt, Bud and Lou find themselves in the buried tomb of a living mummy.

Inspector Jacques Clouseau, smitten with the accused maid Maria Gambrelli, unwittingly turns a straightforward murder investigation into a comedic series of mishaps, testing the patience of his irritable boss Charles Dreyfus as casualties mount.