The Lone Defender (1930)

The Vigilantes Are Coming

A masked hero called "The Eagle" leads California ranchers in a struggle against Russian Cossacks who are plotting to take over California and turn it into a Russian colony.

Robinson Crusoe of Clipper Island

A 14-episode serial in which Mala, a Polynesian in the employ of U.S. Intelligence investigates sabotage on Clipper Island. A gang of spies causes the eruption of a volcano, for which our hero is blamed. He convinces the local Princess Melani of his innocence and helps her ward off a takeover by rival high priest Porotu.

The Secret Code

A superhero known as The Black Commando battles Nazi agents who use explosive gases and artificial lightning to sabotage the war effort.

Jungle Drums of Africa

In Africa, a deceased medical missionary's daughter in Africa carries on her father's work. Before long, she finds herself in danger from crooks and a local witch doctor.

The Adventures of Tarzan

Tarzan spurns the love of La, Queen of Opar. When he isn't trying to keep the Bolshevik Rokoff and Clayton (pretender to the Greystoke estate) from reaching Opar, he is attacked simultaneously by two lions, dropped into a pit when a volcano splits the ground, nearly sacrificed by sun worshipers, and so on.

Trader Tom of the China Seas

In this 12 Chapter serial the UN enlists trader Tom Rogers and Vivian Wells, to lead the effort to prevent the natives from starting a revolution in Burmatra and its neighbors.

Into the Net

Madge Clayton, a society girl, mysteriously disappears. The police suspect a master criminal is behind the girl's abduction, but her brother, Bob, and fiancé, Bert Moore, help with the search. They unearth a scheme to kidnap another girl, Natalie Van Cleef, and the evidence takes Bob and Bert to an estate on Long Island.

K-9

The extravagant cop Michael Dooley needs some help to fight a drug dealer who has tried to kill him. A "friend" gives him a dog named Jerry Lee (Officer Lewis), who has been trained to smell drugs. With his help, Dooley sets out to put his enemy behind the bars, but Jerry Lee has a personality of his own and works only when he wants to. On the other hand, the dog is quite good at destroying Dooley's car, house and sex-life...

Flash Gordon

Disaster 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.

The Strings of Steel

The Strings of Steel is a silent Action serial. Episode titles: 1. The Voice on the Wire 2. The First Central 3. Fighting for Love 4. The Power of Might 5. Kings of the Wire 6. Voice of the Continent 7. Telephone Poles 8. War of the Wire 9. When Lightning Strikes 10. Love and Victory.

The Vigilante: Fighting Hero of the West

Columbia's 33rd serial (made between "Jack Armstrong" and "The Sea Hound") was based on the character that first appeared in "Action Comics" No. 42.

Drums of Fu Manchu

The 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.

Lost City of the Jungle

A movie serial in 13 chapters, and Lionel Atwill's final film: Following the end of WWII, war-monger Sir Eric Hazarias sets the wheel in motion for WWIII. His search for Meteorium 245, the only practical defence against the atomic bomb, leads him to mythical Pendrang. Obstructing his sinister plan to rule the world are Rod Stanton, United Peace Foundation investigator, Tal Shan , Pendrang native, and Marjorie Elmore, daughter of scientist Dr. Elmore, unwilling assistant to Sir Eric.

Caryl of the Mountains

Funds are embezzled and a fur trapper is murdered. Rin Tin Tin to the rescue!

The Green Archer

The struggle over the Bellamy estate ends with Michael Bellamy accused of murder and killed on the way to prison, while his brother Abel Bellamy takes control of the estate for his own nefarious plans.

The Crimson Ghost

A criminal mastermind known as The Crimson Ghost is out to steal a device called the Cyclotrode, which can short-circuit all electrical current on the planet.

The Secret of Treasure Island

A variety of people are searching for a long-hidden treasure somewhere on an island. Chapters: 1. The Isle of Fear, 2. The Ghost Talks, 3. The Phantom Duel, 4. Buried Alive, 5. The Girl Who Vanished, 6. Trapped by the Flood, 7. The Cannon Roars, 8. The Circle of Death, 9. The Pirate's Revenge, 10. The Crash, 11. Dynamite, 12. The Bridge of Doom, 13. The Mad Flight, 14. The Jaws of Destruction, 15. Justice

Dick Tracy Returns

Dick Tracy battles spies and saboteurs in his efforts to bring to justice the Stark gang, a criminal family led by the vicious Pa Stark.

The Fighting Devil Dogs

Two marine lieutenants battle a masked would-be world conqueror who uses electricity as a weapon.

Million Dollar Haul

Special Insurance-Investigator Dan Kennedy and his wonder dog, Tarzan the Police Dog, are called in to investigate the persistent robbing of a shipping-and-storage warehouse in Los Angeles.

The Railroad Raiders

A silent movie serial now lost. CHAPTER TITLES: 1. Circumstantial Evidence; 2. A Double Steal; 3. Inside Treachery; 4. A Race for a Fortune; 5. A Woman's Wit; 6. The Overland Disaster; 7. Mistaken Identity; 8. A Knotted Cord; 9. A Leap for Life; 10. A Watery Grave; 11. A Desperate Deed; 12. A Fight for a Franchise; 13. The Road Wrecker; 14. The Trap; 15. The Mystery of the Counterfeit Tickets.

Tailspin Tommy in The Great Air Mystery

A 12-episode serial in which Tailspin Tommy evades volcanoes, anti-aircraft shells, and time bombs as he foils a plan by corrupt profiteers to steal an island's oil reserves.

The Great Secret

A wealthy young athlete comes to the aid of a beautiful heiress, whose fortune is being threatened by two arch villains, The Great Master and Doctor Zulph.

The Scarlet Horseman

Government agents work to interfere with schemes to trick the Comanches into war with the Texans.

The Master Key

Before the outbreak of WWII, Nazi sympathizers plot to undermine America.

Mystery of the Riverboat

A movie serial in 13 chapters: Some swampland becomes valuable, and various factions squabble over ownership of it.

Custer's Last Stand

Kit Cardigan seeks the killer of his father...among other plot threads leading up to the famous historical incident.

Jungle Menace

Mystery and adventure, surrounding a stolen rubber harvest.

The Mysterious Pilot

Jim Dorn endeavors to protect Jean McNain from a man she knows has committed a murder, Carter Snowden

The Spider's Web

Pulp 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.

Mandrake the Magician

Mandrake and his team attempt to prevent "The Wasp" from stealing and using a new Radium invention.

Jesse James Rides Again

Jesse James wants to start a new life in a new location, but quickly finds himself wrapped-up in protecting townsfolk from the machinations of evil oilmen.

The Phantom Rider

The Phantom Rider helps Mary Grayson thwart a plot to steal her land.

King of the Forest Rangers

An Indian rug is the key to the location of a lost treasure. When the rug's owner is murdered, it becomes a case for Forest Ranger Steve King

The Wolf Dog

The 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.

Perils of the Royal Mounted

Sergeant MacLane of the Mounties investigates the disruptive activities of a bunch of troublemakers.

Dangers of the Canadian Mounted

Crooks discover a Genghis Khan treasure ship on the Canada-Alaska border but the treasure is hidden somewhere on land. In their efforts to find the hidden treasure they resort to murder and sabotage to stop the construction of the Alcan highway which will bring homesteaders to the area. Sergeant Royal of the Royal Canadian Mounted Police battles through 12 episodes to find the crooks and to learn the identity of their mysterious leader known only as 'The Boss'.

Government Agents vs Phantom Legion

Two federal agents battle a gang that hijacks trucks carrying materials vital for the security of the country and sells them to foreign powers.

K-911

LAPD detective Mike Dooley and his dog, the German Shepherd Jerry Lee, have been successfully partnered for ten years, but Jerry’s advancing age has Dooley’s superiors suggesting retirement and they are forced to work with a younger K-9 team: female cop Sergeant Welles and her disciplined Doberman Zeus.

The Valley of Vanishing Men

Prospector Henry Tolliver disappears and his son "Wild Bill" Tolliver comes looking for him.

Bride 13

A gang of Tripolitan pirates swooped down and kidnapped 13 wealthy brides, whom they held for ransom.

Hurricane Hutch

Story concerns a paper mill, a mortgage and the struggle to obtain the lost formula for making paper from seaweed. Star is given opportunity to introduce many daredevil features.

Federal Operator 99

Jerry Blake (aka Federal Operator 99) teams-up with Joyce Kingston to thwart the plans of escaped crime boss Jim Belmont.

Jungle Raiders

Greedy traders have kidnapped a researcher, hoping he will reveal the location of a treasure in a hidden village. Family and friends of the researcher come looking for him. Adventure ensues.

The Masked Marvel

A team of two-fisted insurance investigators (one of whom disguises himself as The Masked Marvel) endeavor to discover and thwart the loathsome saboteur Sakima.

Congo Bill

Congo Bill is hired to locate an heiress lost somewhere in Africa.

King of the Rocket Men

Prof. Millard pretends to be dead and helps Jeff King ferret out Vulcan, the evil traitor at the science academy. Donning his Rocket Man costume King goes from one hair raising rescue to the next in order to keep the newly invented Decimator out of the clutches of Vulcan and his minions.

Adventures of Red Ryder

Calvin Drake employs a group of low-lifes to drive away land owners along the path of a new railroad; Red Ryder opposes this strategy.

Junior G-Men of the Air

A group of street kids battle a terrorist gang led by a Japanese spy.

Fear Runs Deep

An engineer has discovered a new special alloy for the construction of submarines and is about to launch it on the world market. To force him to give up the formula, his opponents kidnap his son.

King of the Wild

Richard Grant, imprisoned in India for a crime he did not commit, escapes and makes his way to Africa.

The Great Alaskan Mystery

The 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.

Spy Smasher

Prior 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.

Jungle Queen

A young girl journeys to Africa to find her father, an explorer who vanished in the jungle.

Winners of the West

Beyond 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.

The Invisible Monster

Man-woman team of investigators uncover a gang whose mad scientist leader has developed an invisibility chemical and plans to build a mercenary army of invisible men.

Pirate Treasure

An accomplished aviator sets out to locate treasure hidden by one of his ancestors. He encounters interference from various adversaries.