After experimenting on himself and becoming invisible, scientist Jack Griffin, now aggressive due to the drug's effects, seeks a way to reverse the experiment at any cost.
A man is mistaken for a champion fighter.
Passing herself off as a countess, glamorous Lucy Stavrin hobnobs with the rich and famous along the French Riviera. Aware that Lucy is a phony, jewel-thief Malatroff blackmails Lucy into helping him steal the valuable necklace owned by the young wife of phlegmatic American businessman Sylvester Corbett.
A young woman's elderly husband dies and leaves her $5 million. She travels to Paris and becomes part of the "Continental" set and is pursued by a rich playboy and a lawyer who works for her.
Four stowaways get mixed up with gangsters while running riot on an ocean liner.
Quincy Adams Wagstaff, the new president of Huxley U, hires bumblers Baravelli and Pinky to help his school win the big football game against rival Darwin U.
The well-known explorer and hunter Captain Spaulding has just returned from Africa, and is being welcomed home with a lavish party at the estate of influential society matron Mrs. Rittenhouse when a valuable painting goes missing. The intrepid Captain Spaulding attempts to solve the crime with the help of his silly secretary Horatio Jamison, while sparring with the anarchic Signor Emanuel Ravelli and his nutty sidekick The Professor.
New York City tenement dwelling neighbors Blondie and Lottie are longtime best friends. When Lottie makes the cast of the Follies and moves up in the world, she arranges for Blondie, as well, to join the cast and gain the advantages. But the friendship goes awry when Lottie's sweetheart, wealthy Larry Belmont, falls for Blondie and she for him.
Dr. Henry Jekyll believes that there are two distinct sides to men - a good and an evil side. He believes that by separating the two, man can become liberated. He succeeds in his experiments with chemicals to accomplish this and transforms into Hyde to commit horrendous crimes. When he discontinues use of the drug, it is already too late.
An obsessed scientist conducts profane experiments in evolution, eventually establishing himself as the self-styled demigod to a race of mutated, half-human abominations.
Henry Frankenstein pieces together body parts in the hope of bringing a human-like creature to life. The mad scientist’s dreams are shattered by his monstrous creation awakening with rage to a world that hates and fears him.
A producer puts on what may be his last Broadway show, and at the last moment a chorus girl has to replace the star.
Rufus T. Firefly is named president/dictator of bankrupt Freedonia and declares war on neighboring Sylvania over the love of wealthy Mrs. Teasdale.
A runaway heiress makes a deal with the rogue reporter trailing her but the mismatched pair end up stuck with each other when their bus leaves them behind.
A circus performer falls in love with the son of a plantation owner in antebellum New Orleans. When the young man's stepmother objects to the wedding, the couple break apart and go their separate ways for a time. Also in the mix are two circus comics who feud over the heart of another Southern belle.
Steve Drexel voluntarily strands himself on a deserted island on a bet. He intends to re-create civilization and carves a miniature city of 52nd Street and Park Avenue out of the jungle. Drexel is befriended by his dog, a native monkey, and a wild goat that is captured in one of his traps. He attempts to cultivate a native as his Man Friday from Robinson Crusoe, but fails as the native escape.
Joe Palooka is a naive young man whose father Pete was a champion boxer, but his lifestyle caused Joe's mother Mayme to leave him and to take young Joe to the country to raise him.
During the Florida land boom, the Marx Brothers run a hotel, auction off some land and thwart a jewel robbery.
Story of a girl who tries to live down the past and marries a wealthy man. Blackmail attempt by old associate foiled by friendly detective.
Infamous burglar "The Bat" commits a daring jewelry theft despite heavy police presence. Soon after, a bank theft occurs, which may be the work of the criminal as well. Meanwhile, Cornelia Van Gorder has various people arrive at her old mansion, including her niece, Dale, a bank employee, and police detective Anderson. When guests start turning up dead, Cornelia begins to suspect that The Bat may be lurking around the estate.