After schoolteacher Abbott breaks the windows in Mawson's saloon because it is too near the school, Dink Davis' henchmen hold her hostage in Mawson's cabin to frame Mawson as means to remove him as a competitor. (Condensed from the 1948 Movie)

A swindler sells worthless land to a professor and when the land proves to have a rich silver lode, the swindler tries to regain ownership by nefarious means and the collusion of a dishonest banker. (Condensed from the 1948 Movie)

An anonymous letter and counterfeit bill brings Hoppy and gang to a Mexican border shanty town where they find a ruthless town boss that uses an idle mine outside of town for a counterfeit operation. (Condensed from the 1948 Movie)

California, at a will reading, learns he shares with six others an inheritance in which the survivors share equally as any of the others die and murder ensues so Hoppy begins an investigation despite being told the estate is worthless. (Condensed from the 1947 Movie)

Needing supplies Hoppy and gang go to Mesa City and find a big celebration about an irrigation project and that the project promoter is a crook but not before California is blamed for bank robbery because of a switch with the robbers. (Condensed from the 1947 Movie)

The boys arrive at Jeff Potter's inn for Lucky's wedding to find the bride has postponed it to due the disappearance of her uncle who is found dead in a mine and others continue to disappear from the same room which the uncle used. (Condensed from the 1948 Movie)

Hoppy and gang discover a wounded young woman who they learn is being coerced by a judge who sent a robber to jail to tell them the secret she knows of where the robber hid the gold so that the judge and friends might enrich themselves. (Condensed from the 1946 Movie)

At the request of an army officer friend, Hoppy goes to retrieve the officer's deserter son from an outlaw enclave where he learns the son is being forced by the ringleader to take part in scam to take gold in cavalry disguise. (Condensed from the 1946 Movie)

Hoppy helps an archaeologist friend pursue an expedition by promising the area tribe that there will be no looting of burial places but for gold an expedition member betrays them with a gang that rustles castle disguised as tribe members. (Condensed from the 1947 Movie)

With a storm approaching, Hoppy and his pals take refuge in a church in an abandoned town, When Riker and his men arrive to tear the church down, Hoppy kicks them out. Riker then has the church surrounded and those inside find themselves prisoners. (Condensed from the 1947 Movie)

When repeated sabotage occurs in Tom Smith's railroad yard, Hoppy and gang are hired to investigate undercover while suspicion falls on Smith's son-in-law Lee who the real culprits attempt to frame. (Condensed from the 1948 Movie)

Hoppy and California must avoid angry, suspecting ranchers to find Lucky who has been hypnotized by snake oil salesman Doc Richards to deliver to him the proceeds of the Cattleman's Association sale made by Hoppy. (Condensed from the 1947 Movie)

Hoppy and Red are asked to investigate missing shipments of Army rifles. Their efforts to find the guns before they reach the hands of Mexican revolutionaries are hampered by a sharp-shooting lady marshal.

When a young Mexican is framed for murder, Hoppy and Red hide him from a lynch mob and attempt to trap the real killer.

Hoppy tries to help a reformed criminal, the fiancée of a wealthy rancher's daughter, when his former associates try to blackmail him into robbing the Cattlemen Association's safe.

Hoppy and Red combat a rancher and a crooked lawyer who are trying to drive immigrant settlers off their land.

Hoppy saves an innocent man from hanging and tracks down a murderer who's manipulating the feud between two rival ranchers over water rights.

Hoppy tries to prove that a traveling preacher is behind a series of robberies by three men who have a habit of vanishing into thin air.

Hoppy uses an incriminating letter and a crooked card deck to hunt down the murderers of a small boy's parents.

Hoppy's efforts to save a young woman's mine from swindlers are complicated when Red Connors develops amnesia and claims to be a Spanish nobleman.

Hoppy uses an intricately carved bracelet to trap some swindlers who are trying to cheat the Indians out of their oil-rich reservation lands.

A blind Mexican woman asks Hoppy to help her fugitive son, who's been falsely accused of murder.

When Red Connors buys some arid land on the strength of a promised irrigation project, Hoppy investigates and learns that the promoters of the scheme are guilty of forgery, embezzlement and murder.

The U.S. Army asks Hoppy to investigate when a herd of horses desperately needed for the Spanish-American War is stolen from the ranch who was supposed to supply the herd. The ranch workers insist the horses were rustled by Mexican bandits, but the Mexican authorities claim that no herd of horses crossed the U.S.-Mexican border, legal or illegal.

Hoppy and Red try to settle a dispute between Twin Rivers cattle ranchers and sheep grazers.

Hoppy helps a young man and woman who are framed as counterfeiters just before they are to claim their uncle's estate.