Holt of the Secret Service

A master thief coincidentally is robbing a house where a murder—in which the President of the United States is involved—occurs in front of his eyes. He is forced to run, while holding evidence that could convict the President.

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.

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

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

A cult of Hindu tiger worshippers and a gang of Western outlaws try to cheat a young woman out of rich mines that belong to her.

During an historic counter-terrorism summit in Spain, the President of the United States is struck down by an assassin's bullet. Eight strangers have a perfect view of the kill, but what did they really see? As the minutes leading up to the fatal shot are replayed through the eyes of each eyewitness, the reality of the assassination takes shape.

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 tranquility of a small town is marred only by sheriff Tod Shaw's unsuccessful courtship of widow Ellen Benson, a pacifist who can't abide guns and those who use them. But violence descends on Ellen's household willy-nilly when the U.S. President passes through town... and slightly psycho hired assassin John Baron finds the Benson home ideal for an ambush.

A new town doctor arrives at the same time as local Indians needprotection from troublemaking looters.

A Secret Service agent seeks his missing brother in Africa, and finds his mission complicated by ivory thieves, a girl with a mysterious past, and a troublesome gorilla.

A bunch of waterfront youths pursue the Sea Raiders, a gang of saboteurs.

U.S. Senator is assassinated by Men in Black, mysterious organization which suppresses all knowledge about UFOs. Agent Rafferty from the U.S. Secret Service will confront them and discover the sinister truth. The only person that can help him comes from another world.

15 part adventure serial directed by W. S. Van Dyke survives in a Russian archive.

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.

Tom King Jr. seeks to discover who murdered his father, a Texas Ranger; the trail leads to a network of Axis spies.

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.

Six part adventure serial starring Mary Fuller as the sought after heroine. Episodes: 1) A Proposal From The Duke; 2) A Proposal From The Spanish Don; 3) A Proposal From The Sculptor; 4) A Proposal From Nobody; 5) A Proposal Deferred; 6) A Proposal From Mary

Secret Service agent Alex Thomas is detailed with protecting the president of the United States but, at a public appearance, everything went wrong and the president is assassinated. Wracked with guilt, he blames himself for his team's failure. Meanwhile, seasoned journalist Kate Crawford comes to believe there's a massive conspiracy afoot and convinces Alex of it. Together they unravel a treacherous web of lies as they try to unlock the truth behind the conspiracy amid the deadly threat of shadowy assassins and ex-special ops enforcers.

When Russian neo-nationalists hijack Air Force One, the world's most secure and extraordinary aircraft, the President is faced with a nearly impossible decision to give in to terrorist demands or sacrifice not only the country's dignity, but the lives of his wife and daughter.

When his longtime partner on the force is killed, reckless U.S. Secret Service agent Richard Chance vows revenge, setting out to nab dangerous counterfeit artist Eric Masters.