Dan Sheridan

The John Wesley Powell expedition of 1869 explores the dangerous Colorado River, withstands internal dissension, and finally discovers the Grand Canyon.

Captain Wade Hunnicutt is the wealthiest and most powerful citizen in his Texan town; he is also a notorious womanizer, which has turned his wife Hannah against him. She has brought up their son Theron to be dependent upon her; but as he reaches adulthood, Hunnicutt insists on taking over his upbringing, initiating him in hunting and other masculine pursuits, under the watchful eye of Rafe, Hunnicutt's loyal employee. But Theron's new lifestyle leads him into a love-affair with a local girl, and thence to his learning things about his parents that were previously hidden from him.

A wild stallion provides unexpected help to a widow and her young son in their efforts to keep their ranch.

Two high-school teenagers on their way to Mexico to get married cross paths with a homicidal fugitive.

In order to avoid the hangman's noose, a cowboy agrees to marry a beautiful but fiery redhead.

The manager (Stephen McNally) of a rocket-fuel plant deals with a worker (Vic Morrow) threatening to blow himself up.

An outlaw must decide whether to stick his neck out for an innocent man.

When Robin Grant inherits a valuable range, certain evil interests try their best to kill off Robin and claim the land for themselves. US Marshall Steve Saunders comes to the boy's rescue.

After two gang-related killings in "Center City," a suspect (who was framed) is arrested, released on bail...and murdered. Inspector Briggs of the FBI recruits a young agent, Gene Cordell, to go undercover in the shadowy Skid Row area (alias George Manly) as a potential victim of the same racket. Soon, Gene meets Alec Stiles, neurotic mastermind who's "building an organization along scientific lines." Stiles recruits Cordell, whose job becomes a lot more dangerous.