Overview: Young men of the Pony Express brave harsh conditions.
Overview: The boys attempt to save Wild Bill Hickok from an unnecessary gunfight.
Overview: Buck is the target of hostility when Sweetwater is threatened by a local tribe.
Overview: Robbery witness Ike McSwain is pursued by the criminals he is to testify against.
Overview: The riders help Lou track down her younger brother and sister who were kidnapped by a ruthless gunrunner.
Overview: Col. Savage and a band of militia hunt down a runaway slave accused of murder.
Overview: A novelist avenges a beating by Hickok with writing a story that incites others to challenge the cowboy.
Overview: The Kid is torn when his long-lost brother turns up just as nearby fugitives are planning to steal a gold shipment.
Overview: A Sioux brave who claims to be innocent is denied justice when brought to trial for an Indian massacre.
Overview: Hickok and Emma face hostile Indians and a ruthless commanding officer at a remote Army post.
Overview: Hickok's heart is lassoed by a mysterious woman, but he is caught in a dangerous tangle when he discovers that she is bound to another man.
Overview: Teaspoon is given claim to a small fortune, but he may lose it to a young woman he thinks is his lost daughter, and to a crooked gambler willing to kill for the cash.
Overview: Hickok has a falling-out with Teaspoon, and he falls in with a gang of outlaws who are after a store of Army guns and ammunition.
Overview: Kid is sentenced to hard time on a trumped-up charge by a small-town sheriff carrying out the policies of the sadistic man who keeps the town under a cloud of fear.
Overview: Dressed as a lady for a night, Lou meets a vicious brute who develops an obsession for her, while he masterminds a series of heists in the territory.
Overview: After surviving a massacre of wealthy settlers near Sal Lake, Emma's estranged husband arrives in Sweetwater looking for shelter from Emma, and raising the suspicions of Sam and the riders.
Overview: On a wild ride to deliver a top-secret Government message, Cody helps a mortally wounded mountain man, who asks Cody to care for his pet bear. Meanwhile, back in Sweetwater, the other riders look after an abandoned baby.
Overview: A new girl in town has Buck in her sights, but he is caught in the cross-fire between her, her tyrannical father and her cruel suitor.
Overview: An Eastern college boy arrives with dreams of meeting his Western idol, Hickok, but he is used as an unwitting accomplice in a scheme that endangers all the riders.
Overview: Hickok helps a friendly rival search for their gunfighting mentor's kidnapped daughter, who actually has escaped with evidence of her dad's corruption.
Overview: Sam finds himself on the wrong side of the law in his own town when the man responsible for the murder of Sam's wife takes over Sweetwater.
Overview: Teaspoon sets out for Texas with an old comrade in arms to warn three other veterans that someone has been murdering the last men who truly remember the Alamo.
Overview: The Kid finds himself secretly helping the Army learn the identity of the Hawk.
Overview: The men of the Pony Express find themselves taking different sides as the start of the Civil War approaches.