Helen bugs Stanley into looking for a new house, though Stanley wants a mobile home. They end up purchasing a condo in Cheviot Hills, where the Brookeses are introduced.
Stanley locks himself out of the house in nothing but his underwear while Helen is attending a posh party next door.
Stanley thinks he's dying when results from his doctor don't come right away.
Helen and Stanley visit a marriage counselor after Helen finds love letters that Stanley wrote to a mysterious woman named Doris.
Stanley comes to believe that Helen's visiting mother has plans to stay with them permanently.
Larry visits and tries to sell the Ropers a mobile home.
Stanley prepares a surprise birthday party for Helen with help from former tenants Jack, Janet and Chrissy. But when Jeffrey spies in on Janet and Chrissy giving Stanley disco lessons, he jumps to the wrong conclusion.
A man introduces himself as Stanley's son from an affair many years ago.
When the Ropers' electricity is cut off just before a visit from Helen's snobby sister, Stanley steals power from the Brookeses.
Stanley fears Helen will ignore him if they adopt a child. But when a social worker says they're to old to adopt, he raises her spirits by giving her a dog.
Stanley and Jeffrey get drunk and are arrested after both have arguments with their spouses.
Stanley loses the Ropers' dog and buys another one to try to calm Helen down.
For the Ropers' 23rd wedding anniversary, Stanley buys an antique clock. But Helen comes to believe it had been stolen from the Brookeses, so she sneaks into their condo to return the clock.
When Stanley accidentally sets the Ropers' kitchen on fire, Brookes thinks the cause was faulty wiring. Fearing this may threaten condo sales, Brookes invites the Ropers to stay with his family.
When Stanley buys a new living-room suite from his friend Joey and has his old furniture hauled away, he finds out the furniture once belonged to Helen's sister, Ethel.
When Helen sells one of the townhouses, the Brookeses buy her an organ as commission.
Jeffrey's hobo uncle comes for a visit.
Helen creates a phony lover named Ramon to make Stanley jealous.
The Ropers find out that an 18-year-old woman has been living in their storeroom for weeks.
Stanley pays Brookes' nephew $50 to take Jenny out on a date.
Ethel attempts to retrieve a valuable horse-shaped vase from the Ropers.
The Ropers and Brookeses feud on David's and Helen's birthday.
Helen thinks Stanley is cheating on her.
Stanley takes David to a poker game while babysitting him.
Stanley is jealous when Helen's old boyfriend wants to see her.
Stanley's men's magazines are accidentally donated to a church rummage sale.
When Stanley goes to his brother-in-law Hubert's office to get a job, he finds two tickets for Hubert and his secretary to Acapulco.
Mother Roper holds a wake at the Ropers' house to discuss her will, complete with presents.
