Oscar tries to break up the weekly poker game so that he and Felix can go out with the Pigeon sisters.
A rough and tough hockey player challenges Felix to a boxing match.
Oscar's plans for a romantic evening with a stewardess is interupted when Felix gets sick.
Oscar and Felix tell the Pigeon sisters how they first met in a flashback to their serving jury duty together.
When Oscar throws Felix out of the apartment, he searches for a new place to stay, including in with Murray, then Vinnie, and then the Pigeon sisters.
Oscar comes down with stomach pains during the weekly poker game. A trip to the hospital reveals that he has the beginnings of an ulcer. But it only takes a week for Oscar to decide what is causing his problems...Felix and his fussiness.
Felix accidentally breaks up a wedding, and tries to get the couple back together.
Felix convinces that Oscar would be a perfect model for a cologne ad he was shooting, but soon both find they regret their decisions.
Felix becomes a member of the Big Brothers foundation. He is excited to be able to teach him about the world of culture. But once he sees Oscar, he becomes more interested in his stories than Felix's opera records.
Felix's pet parrot has passed away due to a mistake made by Oscar. Now Felix wants to give his dearly departed a proper send off.
Oscar's poker friends show up early for their weekly game and set up the table. One thing crosses their minds, where is Felix. Unknown to them is that Felix has gone on an unannounced assignment out of town. But they become suspicious that Oscar has killed him instead.
Oscar seems to be missing the Christmas spirit this year and refuses to play 'Ebenezer Scrooge' in Felix's play. Oscar's own private version of A Christmas Carol, has him changing his mind.
While the guys are over for their weekly game of poker, a blackout occurs. When the lights come back on everyone notices that the $50 pot is missing and believe Oscar has taken it.
Felix will have a couple of obstructions to overcome if he is to win this year's cooking contest: a bad back, and the fact that Oscar has revealed Felix's secret ingredient to his staunchest competitor.
Oscar is given permission to help find the right college for an Alaskan football player to attend, but Felix learns that his first love is playing the cello.
Oscar falls in love with the female doctor, Dr. Nancy Cunningham, who is substituting for Felix's doctor.
A robber has stolen the piece of jewelry in which Felix had bought as a gift for his ex-wife, Gloria. This calls for Oscar to have them meet up with one of the colorful characters he knows in hopes of retrieving it.
Oscar needs some peace as he and Felix go out into the woods for a weekend in a cabin, only to be interrupted by a girl scout troop which was caught in a rainstorm. Meanwhile, one of the girl's is called an outcast because she likes to read and is given special attention by Felix.
Oscar is in a rush to make it to a sportswriter's dinner, but may be slowed down when Felix brings home a baby which was left at his studio.
Oscar and Felix discover a young neighbor boy is walking around with $2,000 in his hands.
Oscar receives a job offer from a men's magazine, Harem, after being fired at the newspaper because of Felix.
Gloria gives Felix another chance but is kicked out once again. He enlists help from Oscar to get him cured of his neatness affliction.
Oscar finds out that Felix's new girlfriend is keeping a secret...she performs in a play in the nude off Broadway which gets raided for indecency.
Felix, Oscar and Nancy become trapped in the storage area of the apartment building, while on their way to a costume ball.
Oscar's niece is coming for a visit and is carrying an unexpected surprise...a baby in her belly. She explains to Oscar why she is there and that she wants to have the baby in the Bronx.
While Felix is off to Canada on business, Oscar and Nancy decide to get Nancy's brother a date with Gloria, Felix's ex-wife. The plan goes well until Felix arrives home early.
Oscar is happy to learn that Felix is finally going to have an operation so his nose will stop honking. But a game of softball lands Oscar in a bed next to Felix in the same hospital room.
Oscar can't understand why he has suddenly begun sleepwalking. And Felix can't understand why Oscar keeps hitting him while sleepwalking.
Felix has found the spot he treasures as his final resting place for eternity. But when Oscar forgets to deliver the payment on time, another man buys the grave from under him. Now they must find finicky Felix a new grave site.
Murray, feeling like no one respects his authority as a policeman arrests the gang during their weekly poker game.
Oscar helps enlist the services of a famous opera singer to perform with Felix's small opera club. But Felix's demands force a last minute change in lead singers.
Felix escorts Oscar to a fat farm. But when the diet becomes too much for Oscar to handle, he bends the rules and sneaks in a few late-night snacks.
Oscar becomes a hit when he is a guest on a talk show and tells funny stories concerning Felix. Now Felix demands equal time.
Felix feels he is losing the respect of his son because he knows nothing about sports. Oscar, coach of his peewee football team decides to teach Felix all he knows about the game and hand him over the coaching duties. But when the team is losing badly at half time, Oscar schemes to coach from the locker room behind Felix's back.
Oscar is thrilled when he learns his ex-wife, Blanche, is set to remarry. But Felix feels that Blanche and her new husband do not really love each other.
Felix plans his daughter Edna's 10th birthday party inside the apartment, forgetting about Oscar's weekly poker game.
Oscar and Nancy are headed for a vacation in the Caribbean, but when Nancy learns she can't go, Oscar takes along Felix. Suddenly Nancy arrives as a surprise and Felix begins to feel left out.
Oscar wins a greyhound racing dog in a poker game. When he decides to enter him in a race, Felix gets involved and complicates things.
A break-in at the apartment has Felix in the search for a new home in a high-security building.
Oscar tells Murray the story of how he ended up proposing to Gloria, for Felix.
After Oscar saves Felix's life, Felix feels the need to repay him by killing him with kindness. But once it becomes too much for Oscar to handle, he tries turning the tables on his roommate.
Felix's grandfather escapes from the retirement home to stay with him. With Felix out of town, Oscar is in charge of keeping him out of trouble.
Felix uses Oscar's gambling winnings to invest in a Japanese restaurant. But when the cook quits, it's Felix and who are left to run the place.
Felix is upset to learn his little girl is about to go on her first date, and it takes place at a reform school dance in which her date is one of the students.
Today is Oscar and Blanche's anniversary, and each tell their story of the night they broke up and what led to the big blowup.
Oscar is given the scoop interview with a world champion wrestler from China. But after a discussion with Felix, the wrestler decides he must never perform again...under Felix's opinion.
Felix has an uncanny ability to predict the future whenever he has a fever, and on this day he predicts that someone is going to murder Oscar.
Oscar and Felix try a computer dating service and Oscar becomes a match for Gloria, Felix's ex-wife. But after making a mess of a night out on the town, Felix sets out to prove that he is no longer jealous of Gloria.
A small war erupts between Oscar and Howard Cosell when they meet up in Felix's studio where he is shooting an advertising campaign with Howard. Finding out that Felix and Oscar are friends, Howard refuses to do the ad. Felix begs Oscar to make up with him, which only sets off more fireworks.
Felix is shocked when his beautiful client, who is also a princess, accepts an invitation for a date with Oscar.
Felix's ego swells when he receives praise from the teacher for a corny poem he wrote in a creative writing class, but Oscar believes the teacher is a fraud.
Felix and Oscar decide to visit a retreat for monks after Oscar's ulcer acts up and Felix feels worn down from working 14 hours a day.
Oscar wants to finish his novel he's writing, but noise and a bad case of writer's block is slowing him down. So Felix suggests they head to a secluded cabin in the woods for peace and quiet. Now if Oscar can just get away from Felix...
Oscar's mother is coming for a visit, but he has yet to tell his mom that he and Blanche are divorced, a piece of news she will not take well. Blanche agrees to pretend they are married for the weekend, as does Gloria and Felix.
Felix has a shot at landing his first directorial job of a TV commercial, but only if he can land NFL All-Pro Bubba Smith, a moody person who likes to be left alone.
Oscar tells Myrna the story about the time Felix was banned from the hospital during the birth of his first baby, Edna.
Oscar is dead set against having a birthday party, but Felix is determined to throw him a surprise party. It becomes a real surprise when Felix sets up a session of "This Is Your Life" for Oscar.
Felix and Oscar are on a double date at a restaurant where they meet Alan Luden and Betty White, who ask Oscar to appear on his game show, Password. But Oscar's sexy girlfriend wants to be on TV. After discovering she is all beauty and no brains, Felix is named his partner. But all is not well when Felix begins giving clues that are impossible to follow.
Felix is worried that Edna's favorite activity is watching TV. So Oscar get's her interested in becoming an umpire for little league games, and also attempts to teach Felix how to umpire.
Oscar helps out a free-spirited woman by giving her shelter in the apartment while Felix is away. But after arriving home early, both he and Oscar find themselves attracted to the same woman.
Felix signs up Oscar for a cruise since his ulcer is hurting him once again. All goes well until Felix is put in charge as the activities manager.
Myrna suggests that Oscar and Felix go to her therapist to help with their constant bickering, and she suggests they try role reversal, where Felix act as Oscar and vice versa.
Felix is nervous after receiving a notice from the IRS to report to their office.
After receiving encouragement from Felix, Myrna quits her job as Oscar's secretary to practice full-time in becoming a tap dancer.
Felix's opera group is in need of money after their casino night becomes a bust, but Oscar believes he can win it all back by beating a pool hustler.
Felix attempts to give away an opera ticket and is arrested for scalping and must have his day in court.
When Oscar ruins Felix's bed by leaving a lit cigar on it, he agrees to go on Let's Make A Deal, which is hosted by his old college friend, Monty Hall.
In order to make his mother happy, Oscar meets a lovely Greek woman. But if Oscar wants to get to know her, he must first meet her whole family and meet their approval.
After painting the apartment, Felix feels the need to redecorate. But Oscar likes it just as it is and resists any changes, especially when Felix brings home a bunch of modern pieces.
Murray the cop is tossed from his home after an argument with his wife. But when Murray gets a taste of freedom, he begins to enjoy his bachelorhood too much.
Felix begs Oscar to allow Gloria to stay with them as her apartment is painted. Felix also believes this is a good time to rekindle their romance so Gloria will take him back in...a part of the puzzle that Oscar would like to see.
Felix finally gets his chance on stage when he stands in after a famous ballet star is late for a children's performance of Swan Lake.
Oscar and Felix both believe that they are in superior shape than the other. So each make up events for their own kind of decathlon.
Felix meets a new woman who winds up being a neglected wife of a football star, who has promised to crush his skull when he finds Felix.
Oscar tells Murray the story of the one time he and Blanche went on a vacation to a tropical island with Felix and Gloria. While Oscar and Blanche were hoping to rekindle their romance, it winds up pulling Felix and Gloria apart.
With Felix's help, Oscar wins a car from a radio contest. But owning a car in New York City is not an easy task.
Myrna notices that Oscar is not in his own wedding picture, so Felix tells her the story of how it all happened.
Oscar is dating a singer who is looking for a new song for her act. Felix mentions he wrote an upbeat pop song and gives it to singer J.P. Morgan to make a hit of.
After Felix shows a movie producer a documentary film he made about Oscar, Felix is asked to direct his next picture.
Oscar loses a bet to Bobby Riggs, and Felix is determined to win it back in a game of table tennis with both Oscar and Felix taking on Bobby. If they lose then they must join Bobby's 'male chauvinist pig club.'
Oscar goes on a binge of junk food and ends up in a hospital bed for his ulcer, which causes Felix to blame himself. So he decides to make it up to Oscar by getting him his own nanny.
Felix is convinced that the strange noises he is hearing inside the apartment is being caused by a former tenant who's spirit is living inside their air conditioner.
Oscar wants Felix to invest in a new glue in which his dentist has invented, with it's secret holding ingredient being barnacles from the ocean.
Oscar begins working at a greasy spoon eatery to earn money to pay back a loan he got from Felix. But when Felix finds out what Oscar is doing, he offers him a job as an assistant in his studio.
Oscar tries to be as neat as Felix after a woman that he has fallen for is turned off by his sloppiness.
Felix has a tremendous fear of flying, which becomes apparent when he bails out on a flight to Houston. Oscar tries to help him out by letting him come along on his flight...a flight that may become the last for both of them.
The restaurant critic at Oscar's newspaper has two strong points, one is she has the voice of a opera star, and two is that she will do anything that Oscar says. So Oscar gets her to sing for Felix's opera group and is cast as Carmen in their upcoming performance, if she can get over her fear of singing in front of people.
Felix is fed up with his job and decides to move out and take a job at his brother's successful bubble gum company.
When Oscar is asked to host a nostalgic sports show over the radio, Felix wonders if his old college band can play during the show.
Oscar, Myrna and Murray each try to aid Felix when he comes down with a bad case of insomnia.
Both Felix and Oscar become fed up with New Yorkers after Felix delivers a baby and Oscar is mugged. So they join a police civilians unit to help keep their area safe.
Oscar tells the story of how Felix was once sued by Playboy magazine after refusing to give them the nude photos of Gloria that he was hired to shoot.
Oscar and Felix try to change "plain Jane" Myrna, into a raving beauty after discovering her boyfriend had left her.
Oscar is sure that his bowling team will win the championship after Felix agrees to become a member. But a strained back while exercising may change the outcome.
Felix's son Leonard, desperately wants to fin the upcoming frog jumping contest. But when Oscar is left to frog sit, Leonard's leaper apparently leaped out the window of their apartment. Not only do they need to find Leonard a new frog, but they need to teach it to be a great jumper.
Oscar lands a bit role in a Hollywood movie, and he brings Felix along to Los Angeles. That maybe a big mistake because Felix appoints himself as Oscar's agent and gets him fired.
Felix finds himself in court after he smuggles a famous dog away from its owner during a photo shoot after seeing him being abused.
Oscar finds himself in debt to the owner of the Texas football team after losing in poker. Felix comes to his aid by promising he can get him a band for his hoe-down.
Felix is concerned about the cities playgrounds and tries to convince Oscar that he should run for city councilman. At first Oscar was skeptical about the idea but soon throws his own hat into the ring.
Oscar's article concerning how mean and unfriendly New Yorkers can be, upsets Felix. So when the subway shuts down, Felix makes an attempt to prove him wrong.
When Felix refuses to let his daughter Edna, to attend a concert by her favorite performer, Paul Williams, she decides to run away and follow him on the road.
Felix recalls a story he was told by his relatives from Chicago concerning a time when Oscar's father was scheduled to kill Felix's father.
Reluctantly, Oscar allows Felix to help him boost his ratings on his radio program by writing a script for the greatest moments in sports history.
Oscar falls in love with an attractive widow and her two kids. Felix believes he should ask for her hand in marriage, but their friends bet that the marriage may never happen.
Felix is in a lurch when his overweight model walks out on him before his photo shoot for a weight reducing book. Oscar is asked to don a fat suit in the models place.
Oscar is asked to fill in for the theater critic while he is on vacation. Oscar gives Felix his tickets and then asks for a detailed review after the show. Felix is unaware that Oscar has become a hit at the newspaper using his critiques.
Oscar is given a chance to sit in as an announcer of Monday Night Football, despite his feud with Howard Cosell, the lead announcer. Wanting to look clever, Oscar hires a man to write him some insults towards Howard, which go over poorly.
Oscar finds a new contact for his racing tips, and when he begins winning, Felix wants in too.
Felix offers to manage a rent strike for the other tenants of their apartment building. His negotiations go well and the management agrees to give in under one circumstance...Felix must move out.
Oscar finally gives in and agrees to have an operation on his sore throat. But he will need to keep silent for two weeks, which ends up making Felix's throat sore.
Oscar old Army buddy comes for a visit. When Felix discovers he plays the violin, he decides to help the prankster virtuoso become a serious musician....and boring.
Felix meets up with an old ex-girlfriend and discovers that she is now a grandmother, which makes him feel old. To prove he still has some life left inside him Felix convinces Oscar to go to a discotheque with him.
Oscar is invited to appear on a TV show with comedian Richard Dawson. Felix believes that his one chance to become a star on TV was killed by Richard years earlier.
Felix is convinced he has changed and wants another chance with Gloria. He will even go as far as sleeping in Oscar's room to prove he is no longer a neat freak.