The Committee to Select a New State Senator considers Oliver Douglas for the job.
Oliver decides it would be a great idea for Lisa to make her own jam preserves.
An unlikely but hilarious love affair between Arnold the pig and Cynthia the basset hound captivates the residents of Hooterville.
Oliver starts a feud with the Hooterville Phone Company and launches a campaign to recall its management.
Mr. Trendell turns over the keys of the Hooterville Phone Company to Oliver Douglas.
Oliver sets out to accomplish two changes at the Hooterville Phone Company, now that he's president.
Oliver sets out to harvest his tomato crops.
Oliver and Lisa wake up one morning to find that their handyman has eloped.
Oliver stops paying storage rates for an item that neither he nor Lisa can remember owning, and the unknown item is shipped to the farm.
Lisa tells another war story--this one details how she saved Oliver from the Nazis during World War II and started their romance.
The residents of Hooterville are in an uproar when Arnold Ziffel the pig is missing.
Oliver informs Lisa that he plans to attend a farm symposium without her.
When Mr. Haney finds out first that the Douglas farm is the possible site for an interchange for a proposed new highway, he offers to buy back the farm.
Ralph, the lady carpenter, runs away from home and stays with the Douglases after having a fight with her brother, Alf.
Oliver shows symptoms of overwork, so Lisa talks him into going on a picnic.
The Douglases' handyman returns home from his honeymoon and reveals that he did not get married.
Eb is accused of taking $300 from Sam Drucker's safe when he shows up with a new car, which just happens to cost $300.
A mysterious young boy shows up at the Douglas farm and claims to be from another world.
Lisa invests $28 in a 10-year-old's 'Electronic Company'; to show his gratitude, the young wizard 'electronificates' the Douglas' farm.
Lisa and Oliver are taken hostage by two bank robbers who hide out in their farmhouse.
As part of an agricultural exchange program, Oliver and other Hooterville farmers are offered a chance to join a chartered government flight to Europe.
Despite Oliver's protests that Lisa's mother is not a countess, the Hooterville residents forge ahead anyway with plans for a parade and marching band to celebrate her visit.
Spring fever sets in at Green Acres when Lisa sets out to produce a Spring festival celebration.
Eb decides on a career as a barber and talks Oliver into putting him through a do-it-yourself mail-order barber college.
Lisa reminds Oliver that he promised her a New York vacation if she stayed with him on the farm for two years.
A fellow Hungarian, Lazlo Broslav, visits Lisa and becomes an unwanted houseguest. It is revealed that Lazlo once saved the life of Lisa's uncle, and now her family must repay the debt.
Oliver decides that all Hooterville farmers should plant rutabagas as their primary cash crop, and initiates a publicity campaign to make America more 'rutabaga conscious.'
When an expectant mother goes into labor, Oliver takes her to the hospital, and Lisa takes her seven other children to live with the Douglases until she recovers.
Arnold the pig appears in a play at the Hooterville Theater. Lisa arranges for an old friend to give him a chance in show business.
Oliver and Lisa chaperone Arnold's trip to Hollywood, where he lands a starring role in a motion picture.