Sheriff Bret astounds himself as well as the townspeople by taming the trail herders who have been devastating the town, beats a gang of bank robbers at their own game, but has to summon the aid of brother Bart when his eye for a woman's beauty lands him in his own lockup.
When his former fiancee turns up missing, chicken farmer Arthur obligingly lets the police search his ranch, despite the fact that they seem to suspect him of her murder.
Horses with Bar S brand are being sold to unsuspecting buyers. Deesha moves in to claim the horses, leaving the buyer with nothing.
Cuban Bandleader Ricky Ricardo would be happy if his wife Lucy would just be a housewife. Instead she tries constantly to perform at the Tropicana where he works, and make life comically frantic in the apartment building they share with landlords Fred and Ethel Mertz, who also happen to be their best friends.
A turn-of-the-century English family hides a dark secret: a son who was born part human and part aquatic creature. A discredited doctor attempts to use his controversial ""mind force"" (a powerful hypnotic technique) to physically transform the unfortunate young man.
Jinks gets a cat robot to catch Pixie and Dixie for him. To get even, the mice get a dog robot; in the end, both robots cause chaos.
Yogi wants to stay up the entire Winter, but he keeps falling asleep at every activity he attempts which gives the Ranger a rough time.
A sinister plot interrupts Cheyenne's efforts to unite a family split by the Civil War.
Bart double-crosses a double-crosser — and winds up hogtied and kidnapped, with only his wits as a weapon with which to save his neck.
Greedy opportunist Mark Burdette and his accomplice Early Thorne stir up trouble between the Paiute tribe and the citizens of Virginia City. Ben discovers Burdette and Thorne are selling antelope beef to the miners and finds the price too high. He offers the miners beef at a more reasonable price. Burdette and Thorne retaliate by framing the Paiute's for attacks, by dressing as them and killing ranchers. Based on a factual accounting. Lorne Greene's first voice-over narration, and no landing constructed yet for the Ponderosa stairway.
When Kitty is hurt in a fall from a horse, she and Matt must seek help from shiftless dirt farmers who are oddly uninterested in aiding them.
A man with a rare blood type is asked to save a young lady's life by donating blood. He refuses, claiming that each time he has given blood to someone in the past, he became psychically connected to them. After relenting and saving the young lady's life, he foresees her death and becomes obsessed with protecting her.
Jellystone Park is invaded by a movie company. It's filming "The Killer Bear From Outer Space." When its lead star walks out, Yogi takes the part.
Huckleberry goes up against Ten Pin Pierre for the bowling cup.
Pixie and Dixie try to scare Jinks with ventriloquism, which soon stops working... until it summons a bulldog in the house.
Beau Maverick (played by James Garner), father of Bret and Bart announces that he is getting married. The Maverick boys discover that the marriage is a business arrangement, not a love commitment. The young girl, Josephine St. Cloud is being forced by her father to marry the older Beau Maverick. The brothers set out to sabotage the wedding plans, not knowing that Beau Maverick already had a plan.