

The forerunner of all serials, What Happened to Mary was a series of twelve monthly one reel episodes, each a complete entity in itself, revolving its immediate dramatic and melodramatic problems within the framework of a single episode and designed more for story and suspense situations than action.

Rev. Cooper
5.9After two British Secret Intelligence Service agents are murdered at the hands of a cryptic neo-Nazi group known as Phoenix, the suave agent Quiller is sent to Berlin to investigate.
6.6A crooked politician finds himself being accused of murder by a gangster from whom he refused help during a re-election campaign.
6.0A troubled young woman becomes obsessed with her mysterious new neighbor, who bears a striking resemblance to the girl's dead mother.
6.6When hired killer John Gant rides into Lordsburg, the town's folk become paranoid as each leading citizen has enemies capable of using the services of a professional killer for personal revenge.
6.4Young socialite Iris Carr befriends an older woman while traveling solo by train. When Iris wakes from a nap, the woman is gone and other passengers claim she never existed.
6.4Two couples vacationing together in an R.V. from Texas to Colorado are terrorized after they witness a murder during a Satanic ritual.
6.8As a new school year begins, Greg is subject to relentless teasing from his brother Rodrick. Will Greg manage to get along with him? Or will a secret ruin everything?
6.7An ex-fireman with PTSD goes on the run when accused of a crime he doesn't even remember committing, leading him down a rabbit hole of conspiracy to the highest degree.
6.8A chronicle of the Cristeros War (1926-1929), which was touched off by a rebellion against the Mexican government's attempt to secularize the country.
6.1A member of British Intelligence assumes a fictitious criminal identity and allows himself to be caught, imprisoned, and freed in order to infiltrate a spy organization and expose a traitor; only, someone finds him out and exposes him to the gang...
6.3Japanese master spy Daka operates a covert espionage-sabotage organization located in Gotham City's now-deserted Little Tokyo, which turns American scientists into pliable zombies. The great crime-fighters Batman and Robin, with the help of their allies, are in pursuit.
6.5With ruthless mobsters on her tail, a young woman with a split personality becomes entangled with a man on a pilgrimage across the country to scatter his brother's ashes.
5.9Tom Merrick gets caught up in a time-traveling conspiracy and must set the timeline right before it is irrevocably altered.
6.7Unhappily married Richard Mason concocts a meticulous scheme to kill his shrewish wife so that he'll be free to marry her sister.
6.7Members of the U.S. Army's 101st Airborne Division are fighting for their country amidst the rugged terrain of Bastogne, Belgium, in December 1944. Holley and his American compatriots have already seen one of their own, Roderigues, perish under enemy fire. The men try to rebuff another series of Nazi attacks, but what they really need is a change in the weather. Without clear skies, they'll never get the air support they need.
6.2A fiercely independent pilot fighting to keep her family business afloat starts to fall for the man sent by corporate to ground her operation forever.
6.1Good-natured teen surfer Mitchell Goosen finds himself staying with his aunt and uncle in Cincinnati, Ohio when his parents head to Australia for work. There he meets his cousin, Wiley, and together they try to navigate the perils of high school—avoid the bullies, get the girl, and win a little respect.
6.6The relationship of a couple who meet by chance in New York City is put to the test when they encounter a life or death circumstance.
6.2Federal agent Alexandra Barnes believes that Catherine Petersen is a serial killer who marries rich men and then murders them for their money. But since Catherine is seemingly a master of disguise and has multiple identities, Alexandra can't prove anything with conventional detective work. With no other option, she goes undercover, pursuing the same man as Catherine, and hoping that Catherine will slip up and reveal her true identity.
10.0A police detective is caught up in a plot to steal two million dollars in bonds.
7.0Tom King Jr. seeks to discover who murdered his father, a Texas Ranger; the trail leads to a network of Axis spies.
6.7Calvin Drake employs a group of low-lifes to drive away land owners along the path of a new railroad; Red Ryder opposes this strategy.
6.5A bunch of waterfront youths pursue the Sea Raiders, a gang of saboteurs.
8.2The story of a boy, a dog, and a man. The boy discovers he is heir to a shipping line, and travels to Los Angeles, accompanied by inventor/radio operator Bob Whitlock and Irene Blaine. Their journey is aided by Pal, a wolf dog.
7.0Sergeant MacLane of the Mounties investigates the disruptive activities of a bunch of troublemakers.
6.5Disaster seems imminent when scientists discover that the planet Mongo is about to crash into Earth. Luckily, heroic young Flash Gordon is on hand to lead an investigative mission into outer space and onto the speedily approaching planet. There, he and his best girl, Dale, who is along for the ride, learn that Ming, the devious ruler of Mongo, has purposely put the planet on a collision course with Earth, and only Flash can stop him.
6.3The nefarious Dr. Fu Manchu searches for the keys to the tomb of Genghis Khan, in order to fulfill a prophecy that will enable him to conquer the world. His nemesi, Dr. Nayland Smith and his associates fight to keep the evil doctor from getting his hands on the keys. In 1943 the serial was edited together into a feature movie also called Drums of Fu Manchu.
6.1Prior to the United States' involvement in World War II, the masked vigilante Spy Smasher fights Nazi agents operating within the US, led by the treacherous sabotage leader codenamed The Mask.
5.5A young girl journeys to Africa to find her father, an explorer who vanished in the jungle.
7.0Beyond Hell's Gate Pass is territory controlled by a man who calls himself King Carter; he uses a variety of schemes to prevent the railroad from being built, for fear it will finish his control of (what he considers) his land.
6.0The obsessive scientist Dr. Miller is working on a matter-transmitter invention called the Paratron; a conspiratorial team of spies and no-goods pursue him to Alaska, trying to steal the device.
5.3Dusty Bates observes some smuggled jewels hidden in a crate aboard a ship; he is pursued by low-lifes when the crate is put ashore.
10.0Jim Dorn endeavors to protect Jean McNain from a man she knows has committed a murder, Carter Snowden
8.0Four flying G-Men protect America against enemy spies; one of the four assumes the identity of The Black Falcon, to befuddle the saboteurs even further.
5.3Kit Cardigan seeks the killer of his father...among other plot threads leading up to the famous historical incident.
7.0Mystery and adventure, surrounding a stolen rubber harvest.
6.5Government agents try to thwart smugglers, while some sort of plot unfolds, about a hidden treasure revealed by cursed coins.
5.9Mandrake and his team attempt to prevent "The Wasp" from stealing and using a new Radium invention.
6.5Pulp hero "The Spider" seeks to destroy all criminals. In this serialized adventure, he battles The Octopus, who intends to replace the government of the United States.