A man steals the Constitution to bargain for control of border territory; guest Madlyn Rhue.
West is ordered to block a Canadian revolutionary's scheme to use violence to establish a personal empire.
Gordon and West interfere with assassins stalking the president of Mexico.
Gordon and West think they have found Dr. Loveless' corpse, then meet a man claiming to be his uncle.
The search for a stallion leads West and Gordon to bandits and revolutionaries; guest Frank Silvera.
The honor of the U.S. government rests on recovering a Japanese sword.
Fires and explosions hamper an investigation of a rancher's murder; guest John Pickard.
Bogus archaeologists try to steal the famed treasure of Montezuma; guest Jack Elam.
Gordon and West pursue counterfeiters; guest Florence Sundstrom.
A giant cannon that has destroyed one town is aimed at Denver; guest Robert Duvall.
A sheriff (Jackie Coogan) asks West and Gordon to save his town from cutthroats.
Gordon and West must stop a territorial governor who rules like a dictator; guest Kent Smith.
An art collector (John McGiver) plans to turn West against his colleagues.
Gordon and West must return a Bosnian count (Mark Lenard) to his country for trial.
Gordon and West join itinerant entertainers while searching for a hired killer; guest Jason Evers.
A general (Robert Wilke) plans to use his reputation as an Indian fighter to become president.
West and Gordon work to avert the destruction of the American cotton industry by boll weevils smuggled in from abroad.
Gordon and West pursue weirdly dressed and heavily armed bank robbers.
A group of disfigured soldiers seek revenge on the Civil War commandant responsible for their deformities.
Jim finds himself stranded in the middle of the desert in the unknown town of Paradox, NV. As masked mannequins shoot at him and a mysterious woman appears and disappears, the agent begins to realize that the entire thing is part of a madman's twisted scheme for revenge.
A biologist (Hurd Hatfield) and his zombie army draw West and Gordon into voodoo.
West guards a cargo of smallpox vaccine, until a blow on the head causes amnesia; guest Kevin Hagen.
Gordon and West probe a mystery protected by a senator and his sons; guest John Abbott.
A would-be dictator tries to kill President Grant; guest Wendell Corey.
