Captain Drummond is travelling to Switzerland to marry his girlfriend. However, when a cargo containing dangerous explosives goes missing from its place, Drummond is forced to delay his plans.
The California-Yucatan Railroad, being built for the good of Mexico, is under siege by a gang of terrorists hoping to force its sale; no one can prove their connection to profiteer Marsden. Manuel Vega, aged co-owner, calls in the aid of his nephew James, great-grandson of the original Zorro. Alas, James seems more adept at golf than derring-do; but after he arrives, Zorro rides again! Can one black-clad man on horseback defeat a gang supplied with airplanes and machine guns?
When the miners of Roaring Camp become Godfathers to a motherless baby, they name the boy Luck and promise to set aside money for him from their diggings. But when they strike it rich the money is gambled away instead.
Bob Carter, a member of the Foreign Legion, is glad to see his brother, Don, for the first time in ten years but is sorry that Don has joined the Legion. Bob, Don and Bob's buddies, Muggsy and Bilgey, go to a café and there Don falls for Nina, a singer in love with Bob. Bob doesn't know this and thinks she is Garccia's girl, and warns Don to have nothing to do with her. Don disregards the warning and Garcia discovers Nina and Don together and provokes Don into hitting him. Don is arrested and thrown into the company brig. Nina, with the aid of an Arabian sheik, Ul Ahmed, helps Don escape. Bob, Muggsy and Bilgey follow but are captured and taken to Ul Hamid's headquarters. The sheik tortures Don to force Bob to work some captured machine guns for him. Ah Hamid and his tribe attack the fort, but Bob manages to turn the machine guns against his captors, and the fort is saved.
Cowboy Larry O'Day and his sidekick Lucky Smith happen upon a distraught Barbara Hartwell, who is about to be arrested for the murder of her uncle. With Barbara behind bars, Larry is determined to find the real killer and soon finds himself in the middle of a mystery involving crazed German entomologists and a smuggling ring bringing Chinese "picture girls" across the Mexican border for sale to wealthy Chinese bachelors.
In 1620s France, dreaded swordsman Gil de Berault returns from carrying out a mission for Cardinal Richelieu, and finds the Cardinal worried about growing opposition from the Huguenots in the south. The Cardinal also warns de Berault that dueling has been outlawed, and will henceforth be punishable by death. Gil, however, promptly disobeys the law and is indeed sentenced to death. The Cardinal offers to cancel the sentence if de Berault is able to capture the duke who is organizing plans for an uprising. Gil travels to the duke's castle and is allowed to stay as a guest, but the duke's wife and sister immediately suspect that he is a spy. He and his servant still make good progress, until he falls in love with the duke's sister, which complicates everything.
In the face of rebellion in Russia, Czar Alexander II sends soldier Michael Strogoff 2,000 miles away, with a critical message for Grand Duke Vladimir. On the train journey, Michael befriends a traveler and comes into contact with a mysterious spy, who both unexpectedly aid him in his quest. Once behind enemy lines, Michael is near his hometown and his mother, whom he must avoid in order to fulfill his mission.
British diplomat Robert Conway and a small group of civilians crash land in the Himalayas, and are rescued by the people of the mysterious, Eden-like valley of Shangri-la. Protected by the mountains from the world outside, where the clouds of World War II are gathering, Shangri-la provides a seductive escape for the world-weary Conway.
Drummond manages to save a woman from jumping in front of his car but she runs away with his car. He traces her and she asks him to help her out of a dangerous situation.
The Commandant is making life rough for the colonials in Spanish California. While trying to help, Zorro is charged with the murder of the new Governor, but in the end he triumphs over the evil Commandant.
Two sailors Sindbad and Popeye decide to test themselves in order to prove their supremacy. Popeye is then presented with a series of daunting tasks by Sindbad.
When Brent Halston returns he finds his father in an insane asylum and Wilton about to foreclose on their ranch and bring sheep onto the cattle range. When Wilton kills a rancher, Brent is blamed and jailed. Escaping jail he gets Ware to confess that he payed to have Halston committed. He then gets unexpected help from Ethel Gordon when Wilton tries to foreclose.
A white authoress, looking for a story in the outback, is kidnapped by an Afghan slaver, betrothed to a white jungle-man, and menaced by a jealous half-caste rival, a hostile witch-doctor, his crazed-killer son, and opium smugglers!
The story is set in the British province of New York during the French and Indian War, and concerns—in part—a Huron massacre (with passive French acquiescence) of between 500 to 1,500 Anglo-American troops, who had honorably surrendered at Fort William Henry, plus some women and servants; the kidnapping of two sisters, daughters of the British commander; and their rescue by the last Mohicans.
A young socialite, marooned on a desert island after her passenger ship sinks, is rescued by a sailing vessel looking for salvage and finds herself dealing with a mutinous crew and a semi-insane captain.
Jonathan Pride is a mild-mannered dance instructor in 1820 Boston. En route to visit relatives, Jonathan is shanghaied by a band of zany pirates and forced to work as a galley boy. When the pirate vessel arrives at the port of Las Palomas, Jonathan, clad in buccaneer's garb, makes his escape. Everyone in Las Palomas, including Governor Alcalde (Frank Morgan) and fetching senorita Serafina (Steffi Duna), assumes that Jonathan is the pirate chieftain, leading to a series of typical comic-opera complications.
A lawman captures the notorious "Pecos Kid", who is tried and hanged for his crimes--then starts to have doubts as to whether the Kid actually committed the crimes.