From the hills of West Virginia, Amos McCoy moves his family to an inherited farm in California. Grandpa Amos is quick to give advice to his three grandchildren and wonders how his neighbors ever managed without him around.
Cast:Walter Brennan , Richard Crenna , Kathleen Nolan , Tony Martinez , Michael Winkelman , Lydia Reed , Andy Clyde , Madge Blake , Janet De Gore , Jon Lormer , Butch Patrick , Willard Waterman , Stanley Farrar , Robert Foulk , Marjorie Bennett , Eva Norde , Eddie Quillan , Olan Soule
Luke and Kate attend night school. Luke accuses Kate of thinking she is smarter than him. The two have an argument, and stop speaking to each other. In order to save their marriage, Grandpa tries to get Kate to quit studying.
Kate is headed for fame and fortune, after a food company offers to patent her pickled preserve recipe.
The McCoys are struggling financially, so Pepino secretly gets a job moonlighting as a singer at the El Tippi-Tin.
Little Luke's hopes of having his brother as his relay-race partner are dashed when Grampa steps in to take Luke's place.
Grampa is upset to learn that Little Luke wants to grow up to be a scientist, rather than continuing farming in the MCcoy tradition.
Both Grampa and his best friend, George, have their caps set on the new librarian.
The entire family begins to pamper Grampa - much to his displeasure.
When Luke fears that he may be losing his hair, Grandpa employs an unusual tactic to remind Luke that appearances aren't as important as he thinks.
An eccentric area hermit furtively exchanges miscellaneous items for his subsistence but, when he trades for McCoy assets, Amos has him arrested for theft but is regretful when a hearing to put the man under state supervision ensues.
When the gossip-monger postman , who has witnessed George McMichael's will, lets it slip that Luke's family benefits substantially, Luke, Kate and the children engage in excessively fawning behavior toward George to the disgust of Amos.
The McCoys hire a Japanese girl named Nikko to help around the house.
Grampa claims he can tame a horse. The horse allows anyone to ride it - except Grampa.
Deprived city boy, Pete, arrives on the farm and uses his urban smarts to get the McCoys to do his assigned chores for him. A good lesson is learned by all.
Grampa is approached b a relative who wants him to invest in an oil well. In turn, Grampa gets some of his friends to invest, as well.
After Grampa sells a large quantity of produce to a stranger, he finds out that he's really competing with himself.
Grampa tells George about the time Luke became jealous of a photographer who was taking pictures of Kate.
The McCoys one and only cow goes missing soon after the Army sets up a war games area next to their property.
Grampa sets up a booth at the school bazaar and uses radical methods to raise money for the children's athletic equipment fund.
The gossip mill is running overtime with rumors connecting Luke with the McCoys' new young and beautiful Swedish maid.
Grampa takes over as the new Sunday school teacher.
Little Luke develops a crush on an older woman - the McCoys' beautiful Swedish maid, Helga.
Amos is not thrilled that Luke offers the McCoy barn for a Grange fund raising play but Amos' resistance softens when he learns Fay Wray will join the production but then becomes envious of George's lead opposite the actress.
Grampa plots to keep George from selling his place and moving away.
Pepino can't wait to marry Maria - until they get engaged.
Hassie tries to impress her high school sorority so she can be accepted.
Kate returns from her extended stay at her mother's, while Hassie takes over the cooking chores.
Grampa resists storing the family cash in the bank, rather than in the cookie jar.
Grandpa, Luke, and Kate return to Smoky Corners for Great Grandma McCoy's 100th birthday, but worry that their modest keepsake gifts don't measure up to those given by the newly-prosperous McCoys who remained in West Virginia.
Grampa interferes with the sale of a parcel of McCoy real estate in West Virginia.
While still visiting relatives in West Virginia, Grampa is reintroduced to an old flame, who he remembers well - but she doesn't seem to remember him, at all.
Kate gets the wrong idea after Luke compliments a new female neighbor's cooking skills.
While Amos is walking through town, $200 floats down to him from the heavens above.
After Grampa counsels Little Luke on how to overcome his shyness with girls, he soon thinks he's God's gift to women.
Charlie Ruggles guest stars as a wealthy neighbor who offers to send Hassie abroad as a traveling companion for his granddaughter.
Luke thinks his rural accent is holding him back and decides to take elocution lessons.
Grampa sees red when a matador tries to lure Pepino into the bullring.
With his sister away, George hires a housekeeper who sweeps him off his feet.