Felix changes his finicky ways in an effort to win back his ex-wife.
Felix tries to even an old Army score with comic Richard Dawson when Oscar is asked to co-host on Richard's talk show.
When Felix learns that his high-school sweetheart is now a grandmother, he begins to think his own life is nearly over.
Felix begins to dread the visit of one of Oscar's Army buddies, who is a practical joker.
When Oscar keeps losing his voice, Felix talks him into seeing a doctor.
Felix rallies the tenants of the apartment building when he learns the rent will be increased.
Oscar finds a friend with inside information at the racetrack and starts to win every bet he makes.
Felix helps Oscar land the third-man spot on Howard Cosell's Monday Night Football broadcast.
Oscar makes a bet with his newspaper's drama critic that he can write reviews for the theater.
Felix, his cousin Ben and Oscar all face jail for fraud in one of Felix's advertising schemes.
Oscar starts dating an old flame and decides he would like to marry her.
Oscar takes a job with a radio station as a sports talk show host.
Felix learns that his and Oscar's fathers once knew each other.
Felix's daughter runs away from home so she can follow her recording idol, Paul Williams.
Felix tries to prove New York is not the unfriendly, impersonal place people make it out to be.
Oscar decides to join the city council in an effort to save his childhood playground.
Oscar books Felix's band as payment for a poker loss.
Felix, on assignment to photograph a dog food ad, believes the animal is being mistreated.
Oscar gets the break he's been waiting for when he gets to play himself in a Hollywood movie.
Felix's son's prize pet jumping frog is lost the day before a big jumping contest.
Felix and Oscar's bowling team is pitted against the Kingpins in a championship game.
Felix tries to help Myrna win back her old boyfriend (Rob Reiner).
Felix and Oscar remember when Felix photographed his fiancee for a Playboy centerfold.
When Felix becomes a member of the Civilian Police Reserves, havoc reigns for criminals and innocent bystanders alike.
Felix develops a severe case of insomnia, and Oscar tries to help him.
Felix reunites his college band in hopes of appearing on a TV show.
Felix's brother, Floyd, persuades Felix that his place is not in hectic Manhattan but back home in Floyd's factory.
Felix urges Oscar's co-worker (Marilyn Horne) to join his opera group.
Oscar tries to cure Felix's fear of flying so he can accept a major photographic assignment.
Oscar goes on a neatness kick to win the favor of his new girlfriend.
Felix finds Oscar moonlighting in a dingy diner in order to replace $400 Felix had entrusted to him.
Oscar's dentist invents a superglue, offering him a piece of the action for front money.
Felix hears things going bump in the night and is convinced that the apartment is haunted.
Felix finds a shrew of a housekeeper to take care of Oscar while he is recuperating at home from an ulcer attack.
Bobby Riggs hustles Oscar in pingpong and manages to win everything, including the apartment lease.
Felix directs a movie built around Oscar's daily routine.
Felix is inspired by Oscar's new girlfriend to write an original song for her nightclub act.
Felix reveals, in flashback, the hectic events leading up to Oscar's marriage when both were in the Army Reserve.
Felix's knowledge of opera helps Oscar win a car in a radio quiz show.
Felix reveals how he destroyed his own marriage by trying to save Oscar's.
An unknowing Felix dates a married woman.
Felix and Oscar decide to hold their own 'decathlon' to determine who is in better physical condition.
Felix unabashedly prepares to dance the lead role in a ballet performance when the lead dancer doesn't show up.
Oscar literally is put out when Felix invites his former wife to share the apartment while her house is being painted.
When Murray's wife ejects him from their home, Felix invites him to share Oscar's apartment.
As a surprise for Oscar, Felix redecorates and refurnishes the apartment.
When Oscar's mother fears for her son's social life, Felix finds him an old-fashioned Greek girl.
Oscar must raise money for a new bed when he burns a hole in Felix's.
Felix and Oscar are arrested and charged with ticket scalping.
To raise funds for his financially troubled opera club, Felix induces Oscar to arrange a gambling event.
Felix persuades Oscar to release his secretary, Myrna, so she can have a shot at a show business career.
Felix gets Oscar in trouble with the IRS when he is called in on a minor matter.
Felix and Oscar attend a group therapy session after driving each other to near distraction.
Felix decides an ocean cruise will help Oscar's ulcer.
Felix and Oscar compete for a lovely, mysterious guest.
Oscar steps in after Felix complains of an inability to communicate with his daughter.
Oscar and Felix are invited to appear on a TV game show.
Felix plans to give Oscar a surprise birthday party.
Oscar recalls when Felix's daughter was born.
Felix is told he can direct a razor commercial on television provided he can get football star Deacon Jones to appear in it.
Oscar tries to conceal his divorce from his mother.
Oscar has writer's block after signing a book contract.
Felix and Oscar attempt to escape the turmoil of modern living by taking up residence in a religious retreat.
Oscar scoffs when Felix takes a creative-writing class.
Oscar unknowingly asks a princess for a date.
Howard Cosell and Oscar have a difference of opinion when they meet by chance in Felix's studio.
Oscar uses an alias to join a computer dating service.
Felix's ESP says that Oscar should not attend a dinner.
Felix advises a wrestler to avoid a bout Oscar set up.
Oscar and Blanche relate their last New Year's Eve.
Oscar becomes Big Brother to a reform-school boy.
Felix and Oscar invest in a Japanese restaurant.
Felix's grandfather arrives at the apartment.
Felix goes to ridiculous lengths to show his gratitude after Oscar saves his life.
Oscar recounts a romantic escapade from Felix's past.
After their apartment is robbed, Felix talks Oscar into moving into Security Arms.
Oscar wins a greyhound in a poker game and wants to race it.
Oscar and Felix spend a less-than-happy vacation in a Caribbean tourist trap.
Oscar disrupts Felix's plans for his daughter's birthday.
Oscar's ex-wife announces her impending marriage.
Felix coaches his son's football team.
Felix is incensed when Oscar gives a riotous account of Felix's prissiness on a talk show.
Oscar lets Felix talk him into going to a 'fat farm' to help him get into shape.
Oscar finds a guest baritone for Felix's opera company.
After being taunted by Oscar for being soft, Murray the cop arrests his poker-playing buddies during a game.
Oscar loses Felix's deposit on a cemetery plot.
Oscar becomes a somnambulist and vents his frustrations against Felix while sleepwalking.
Oscar and Felix become hospital roommates.
Nancy's brother falls for the former Mrs. Unger.
Oscar's pregnant niece runs away from home.
Costumed Felix, Oscar and Nancy are stuck in a cellar.
Felix learns a startling secret about a new girlfriend.
Felix tries to reform after his finicky attitude toward food ruins an otherwise pleasant dinner with his former wife.
Fired Oscar goes to work for a men's magazine.
Oscar wins a playful $1,000 bet with an 11-year-old neighbor in an arm-wrestling match, and the child pays with cash.
Felix brings home an abandoned baby, much to Oscar's dismay.
Oscar and Felix spend a rainy weekend in the country looking for a lost girl.
Felix tries to win back his former wife with a sentimental reminder of happier days.
Oscar really likes Felix's female doctor.
Felix persuades Oscar to use his influence to prevent a great college quarterback from being corrupted by pro football.
Felix is forced to depend on Oscar's help in the finals of the Golden Apron Cooking Contest.
When $50 is missing from the poker bank, Felix suspects Oscar of taking the money.
After turning down the role of Scrooge in a Christmas play, Oscar kicks Felix out of the apartment.
Oscar is suspected of foul play when no one seems to be able to find Felix.
Felix's pet parrot takes a turn for the worse, and Oscar offers to handle the burial arrangements.
Felix volunteers his and Oscar's services to take care of a small boy.
Felix asks Oscar to pose for a layout advertising a new men's cologne.
A woman wearing a wedding gown goes looking for Felix when her husband-to-be doesn't show up at the altar.
Oscar blames Felix for his developing ulcer.
In the throes of a hangover, Oscar throws Felix out of the apartment.
Felix recounts how he and Oscar met while serving on jury duty.
Felix's illness ruins Oscar's plans to use the apartment for a romantic rendezvous.
Felix tries to patch things up when a pro hockey player hits Oscar, but ends up challenging the athlete to a boxing match.
Oscar and Felix conspire to break up a poker game so they can go out with the Pigeon sisters.