After three men are convicted of bank robberies, Charlie becomes suspicious. After some investigation Charlie finds the men are innocent and that the fingerprint evidence used to convict them had been forged. Charlie then proceeds to find the true bank robbers.
Rod Drew hunts for a missing girl and finds himself in a fight over a goldmine as well.
The East Side Kids try to fix up a house for newlyweds, but find the place next door "haunted" by mysterious men.
When Sheriff Jake sees a man at the safe and then finds the payroll gone, he trails him. Just as he is about to arrest him, the man saves his life. Still suspicious, he joins up with the man and later they learn that Melgrove, the towns leading citizen, is trying to take over the area's ranches by having his gang stop all incoming supply wagons. With the ranchers about to sell to Melgrove, the two newcomers say they will bring in provisions.
John Travers and Yak, his faithful Indian sidekick, pick up where a murdered sheriff leaves off, and try to nab the mysterious Shadow.
A condemned inmate's premature death places officials under suspicion.
Tobin is after the bandit Zanti who killed his parents. He finds him just as Zanti is about to kill Dusty and kidnap Ruby. Saving the two, he goes after Zanti. He catches him but Zanti escapes the Sheriff's handcuff's and this time Tobin has to chase him into the desert.
A man known to be a mute is suspected of committing a murder, as he was noticed at the scene. However, witnesses saw and heard him talking as he was leaving the scene of the crime. The police must determine if he is the actual killer or if he is being framed.
Detective James Lee Wong must find the "Eye of the Daughter of the Moon," a priceless but cursed sapphire stolen in China and smuggled to America. His search takes him into the heart of Chinatown and to the dreaded "House of Hate" to find the deadly gem before it can kill again.
"Tailspin Tommy" Tompkins and "Skeeter" Milligan are training young U. S. Army fliers for the newly-formed 'Sky Patrol,'a branch of the Army Reserves which operates along the borders and coast-lines, on the lookout for smugglers. Carter Meade, whose father is the Colonel in charge of the patrol, has a terror of firing guns and his father insists he conquer this fear. Tommy sends him out on patrol, on orders from Washington D. C., to stop any unfamiliar aircraft. Carter challenges an unmarked amphibian plane, which opens fire on him. Carter, afraid to shoot, bails out as his plane is shot down. Carter is missing, and Tommy and Skeeter are searching for him and the mysterious airplane.
Little David Gordon lives in the jungle with his parents Ruth and Fred, along with their servant Nona. David likes living there while his father captures wild animals; he's made friends with Bomba the jungle boy, who has shown him a great deal about life in the jungle. One day two adventurers come looking for ancient treasure in the shadow of a live volcano.
A seemingly charitable soup kitchen operator (who moonlights as a criminology professor) uses his Bowery mission as a front for his criminal gang. Police attempt to close in on the gang as they commit a series of robberies, murders and bizarre experiments on corpses.
Ted Hayden impersonates a wanted man and joins Gentry's gang only to learn later that Gentry was the one who killed his father.
Jerry Mason, a young Texan, and Jake Benson, an old rancher, become partners and strike it rich with a gold mine. They then find their lives complicated by bad guys and a woman.
A chemical manufacturer is killed just after asking detective James Wong to help him. So detective Wong decides to investigate this as well as two subsequent murders.
A spunky young bellhop investigates the murder of a hotel guest.
The Marshal sends John Weston to a rodeo to see if he can find out who is killing the rodeo riders who are about to win the prize money. Barton has organized the rodeo and plans to leave with all the prize money put up by the townspeople. When it appears that Weston will beat Barton's rider, he has his men prepare the same fate for him that befell the other riders.
When a police officer is murdered, Captain Street looks to Mr. Wong to catch the killer. Prime Suspect: Frank Belden Jr., whose father is a businessman well known for both his success and dishonesty. Mr. Wong faces increasing danger and is nearly executed himself as the investigation develops in treachery and complexity. As Mr. Wong follows the trail of dead bodies, he uncovers a jewel smuggling ring on the San Francisco waterfront and a case much larger than the death of a police officer.
John Wyatt is a government agent sent to smash a counterfeiting operation near the Mexican border. Joining Doc Carter's medicine show they arrive in the town where Curly Joe, who once framed Carter, resides.
Mr. Wong is a "harmless" Chinatown shopkeeper by day and relentless blood-thirsty pursuer of the Twelve Coins of Confucius by night. With possession of the coins, Mr. Wong will be supreme ruler of the Chinese province of Keelat, and his evil destiny will be fulfilled. A killing spree follows in dark and dangerous Chinatown as Wong gets control of 11 of the 12 coins. Reporter Jason Barton and his girl Peg are hot on his trail, but soon find themselves in serious trouble when they stumble onto Wong's headquarters.
