An old cowboy returns to visit Ricky and Sandy and help them round up a gang of desperadoes.
Rebel is hurt by a Porcupine and Ricky gets help for him from a new Southern Doctor who just arrived in town. However, persistent prejudices for Southerners that linger long after the civil war, engender hatred and turmoil for the Doctor and his Wife to endure until the prejudiced perpetrator's gunshot wound is treated by the doctor.
An outlaw who has escaped from custody joins his old gang and plans his next robbery - a rich bank that's not too far away. With a posse pursuing them, the gang leader decides to pick up a grubstake from his law-abiding sister by blackmailing her.
When a Indian chief who has just returned to his tribe is framed for murder, Ricky and Sandy try to prove his innocence before this followers go on the warpath.
An ex-convict trying to go straight and his pretty wife buy the ranch next to the North's. He has a chance meeting with his former gang members who threaten his wife if he doesn't cooperate with their bank robbing scheme. Ricky, Champ and Rebel help the young man bring his former confederates to justice.
Mary Jane, Ricky's young neighbor, is upset when she learns that Uncle Andrew, her newly appointed guardian, plans to sell the ranch she lives on and force her to move East with him. While Ricky and Sandy try to convince the Easterner of the virtues of ranch life, Mary Jane learns that the man is an impostor and is taken captive by a crooked land-grabbing lawyer.
Ricky and Sandy search for a missing politician in a ghost town and encounter one eccentric living resident and, apparently, a lively dead one, too.
Ricky and Sandy persuade a railroad line to bypass the range where Champion and his remuda live, but removing prospectors who try to claim the same valley after stumbling onto what they think is gold-bearing rock proves a tougher nut to crack.
When a naive Easterner is duped into performing gold assays for a swindler, Ricky and Sandy come to the rescue.
An evil medicine man holds the tribe's chief captive while plotting a new Indian war against the territory's ranchers.
Ricky and Sandy come to the assistance of a young lawman who is being held responsible for the mistakes of his predecessor.
When Champion discovers that a gang of stagecoach robbers stash their loot in an abandoned mineshaft, Ricky and Sandy try to apprehend the gang.
Ricky tries to rescue a fawn from a snare and incurs the trappers' wrath. The men are trying to provide meat for a railroad construction crew but are wiping out the native game in the process. Ricky, Sandy and an Eastern conservationist try to convince the railroad construction boss to find a new source of meat for his men.
Ricky tries to help a wounded prisoner who was forced to participate in a jail break and becomes the target of the rest of the gang of counterfeiters.
Ricky soon finds a use for his new musical instrument - signaling for help using a cavalry bugle call when he is trapped in a barn by outlaws.
Ricky and Sandy try to rescue Champ from a carnival owner who has captured the horse and uses him as an attraction, offering a large prize to anyone who can ride him.
When a crooked ranch foreman discovers oil on a neighboring spread, he plots with a businessman to grab the property by killing one rancher and framing the other for the crime. When Ricky stumbles upon a pair of oil-soaked boots near the murder scene, he becomes the target for the real killers.
A thief confesses to a stage robbery---and implicates a banker. Barry Curtis, Jim Bannon, Howard J. Negley, Leonard Penn.
Ricky tries to prove that an outlaw's son wasn't responsible for a robbery at Sandy's ranch.
A horse trader tries to dupe Sandy North. Barry Curtis, Jim Bannon, George J. Lewis.
The sheriff blames Champion for the trampling of a prospector. Barry Curtis, Jim Bannon, Francis McDonald, William Tannen, Chris Alcaide, Ewing Mitchell, Rex Lease.
In a drought, Ricky and Sandy search for a legendary lost river. Barry Curtis, Jim Bannon, Edna Holland.
Sandy investigates Ricky's wild tale of a medicine show operator who he saw stuff a small boy into a box. The Norths learn that Doc Terwilliger, the show's owner, is a ventriloquist who uses his dummy, Wilbur, to draw in crowds. A trio of jewel thieves find Wilbur fascinating as well, since their leader hid the gems from his latest heist in the dummy's stomach.
Ricky and Sandy try to prevent a gullible general store owner from being fleeced by a couple of con men trying to sell a salted mine.
A young ranch hand nearly falls in with bad companions until Ricky is blinded from a fall sustained when fleeing the two men and needs his assistance.
A down-on-luck prospector and spinner of tall tales helps Ricky capture a gang of rustlers.
