Perry arrives in the gold mining town of Placer City looking for an old prospector to subpoena for testimony. He then get involved in a murder case when one of the participants in a barroom fight is found killed and the other is accused of the crime.
Beaver asks his parents if he could ride his new bike to school instead of ride the bus, and after some hesitating they finally agree to it. However, on the first day, a naive Beaver gets his bike stolen.
Adam takes Ben's friends, Lord Marion Dunsworth and Lady Beatrice, on a hunting expedition, and they are captured by a gang of crude thieves and murderers. During one early scene, after listening to Ben reminisce, Hoss says, "Always like to hear Pa get wound up. He don't do it often."
When the greedy relatives of a dying man (Crowbait Bob) learn that he might be dying, they come to Dodge to grab anything of value they can get from the dying man.
After a space exploration crash-lands on Mars, the lone surviving astronaut is surprised to find that Martians are human-looking and friendly.
September 1932. The Federal Penitentiary in Leavenworth, Kansas, 430 miles west-southwest of Chicago, houses some of the nation's worst criminals. One of them is Nick Segal, who murdered 6 people, but only got convicted for violation of the Volstead Act; he got sentenced to 3 years, and is eligible for parole now after serving only one year. While unloading a truck, inmate Gus Caserta ""accidentally"" drops a 100-pound bag of potatoes on Nick, almost killing him; skinny inmate Phil Thorne sees the whole thing, he is there when it happens. Nick only gets a broken left arm, though. Later he gets worse news: parole denied.
While searching for cardboard to repair his rocket, Torchy meets Ting-a-Ling the bird, who tries to offer assistance.
After Mark contracts typhoid fever and has a vision of his dead mother, he no longer seems interested in getting well.
A mute carnival clown witnesses the abusive relationship between a beautiful young lady and her cruel husband. After fleeing from her husband, the young lady seeks refuge in the clown's trailer. The husband burst in, commits an act of violence, and then flees – only to find the spectral presence of the clown haunting his every step.
Yuma finds a trapper caught in a bear trap and takes him to cabin where he discovers the man's blind daughter who mistakes him for an enemy until the actual brigands come to steal pelts meant to pay for the woman's eye operation.
After drawing Alma's name for a school picnic, Wally finds himself meeting her parents and her mother takes an immediate like to Wally and begins setting him and Alma up on numerous dates then turns around and accuses Wally of monopolizing Alma's time.
A restaurant owner whom Ben and Adam have confronted over stolen Ponderosa beef ends up dead one night. His daughter, Sally Byrnes runs the cafe and in her resentment, wrongfully accuses Ben and Adam of murdering her father and they are sentenced to hang. A rancher by the name of Hawkins is also jealous of the Cartwrights and has hired his men to stop the town from helping Ben and Adam, ensuring they hang. Hoss and Joe are willing to stop them, but Ben insists they stay within the limits of the law.
Walter Jameson, a popular history professor, is suspected by his fiancée's father, another professor at the college, to be an immortal.
Lucas and Marshal Torrance get into trouble with the Army when they try to help a wounded young soldier who deserted.
Torchy and his friends decide to hollow out the large fruit that grows in Topsy Turvy Land to make homes for themselves.
An archaeological team becomes lost in the desert, but they encounter a young explorer who possesses life-saving knowledge of the region's ancient history. However, months later the leader of the expedition discovers that the young man he met in the dessert could not possibly be who he claimed to be . . . or could he?