Oscar and Felix have a disastrous date with the English Pigeon Sisters (Monica Evans as Cecily and Carole Shelley as Gwendolyn).

After Oscar gets into a fight with a hockey player (Richard X. Slattery), Felix tries to stand up for him but ends up in the boxing ring instead.

Oscar's weekend with a beautiful stewardess (Bridget Hanley) is ruined when needy Felix comes down with the flu.

Oscar and Felix reminisce how they first met when serving on a jury. Barney Martin guest stars.

After Oscar kicks Felix out, the latter's life becomes nomadic as he wears out his welcome among his small circle of friends. Alice Ghostley guest stars as Murray (Al Molinaro)'s wife.

Felix plays nursemaid when Oscar recovers from an ulcer.

When Felix recalls his marriage and divorce, he causes a bridegroom (George Furth) to get cold feet and call off his wedding. Joyce Van Patten guest stars.

An ad exec (Albert Brooks) directs Felix to use Oscar in a big cologne campaign.

Felix tries to impress a young boy (Clint Howard) with his knowledge of the arts, but the kid is more interested in Oscar.

Felix and Oscar have a funeral for Felix's beloved parrot.

When Felix goes to Canada for work without leaving word, Oscar is accused of foul play. Albert Brooks again guest starred.

Oscar has a nightmare in which he is Ebenezer Madison (Scrooge) in A Christmas Carol.

When $50 goes missing after a power outage during a poker game, Oscar is the prime suspect. Cynthia Lynn guest stars.

Paralyzed with fear during a cooking contest, Felix needs Oscar's help.

Felix discovers that Oscar's football-playing discovery (Reni Santoni) is a cellist and urges him to give up sports. Dub Taylor guest stars.

Oscar falls for Dr. Nancy Cunningham (Joan Hotchkis) when she comes to the apartment to tend to Felix.

When his ex-wife's watch is stolen, Felix lets Oscar contact his shady friends to get it back. Michael Constantine guest stars.

Oscar and Felix stay in a cabin, where they take refuge from the rain with a pretty camp counselor (E. J. Peaker) and three girls (Lisa Gerritsen, Pamelyn Ferdin, and Gloria McCartney).

Felix must take care of a baby left behind at his studio.

Felix and Oscar try to determine how their young neighbor (Christopher Shea) acquired $2,000 in cash.

After being fired from the newspaper, Oscar takes a position with Harem, a gentlemen's magazine operated by Beau Buffingham (John Astin). Edward Platt also appears.

To cure Felix of his neatness and help him win back his ex-wife, Oscar tries to turn him into a slob.

Felix's girlfriend (Marj Dusay) tells him she is a librarian, but she is an actress in a nude play.

On the way to a costume party, Felix, Oscar and Nancy become locked in the building's basement.

Oscar tries to help his ex-wife's pregnant niece (Hilary Thompson).

With Felix in Canada, Oscar and Nancy fix up his ex-wife up with Nancy's brother (Fred Beir). First appearance of Janis Hansen as Gloria.

Hospitalized at the same time, Oscar and Felix must share a room.

Oscar's sleepwalking turns dangerous for Felix.

Oscar helps Felix find an acceptable burial plot.

Murray gets tough with his poker buddies and throws them in jail for gambling.

After Oscar accidentally injures opera star Richard Fredricks, he must take the singer's place in Felix's opera production.

Oscar breaks all the rules when he and Felix stay at a weight-loss clinic.

In 1997, TV Guide ranked this episode #58 in its "100 Greatest Episodes of All Time" list.^[2]

After Oscar tells funny stories about Felix on The Tonight Show, Felix demands equal airtime to reply. Guest star: David Steinberg

Felix tries to coach his son (Willie Aames)'s football team.

Felix's meddling threatens the remarriage of Oscar's ex-wife. First appearance of Klugman's real-life wife Brett Somers as Blanche.

Felix's plan to hold his daughter (Pamelyn Ferdin)'s birthday party at the apartment clashes with Oscar's big poker game.

When Nancy can't make it, Oscar takes Felix on a Caribbean vacation. Vito Scotti guest stars.

Oscar wins a racing dog in a poker game, but Felix would rather treat it like a pet.

Felix and Oscar move into a maximum-security building that feels more like a prison than an apartment. John Fiedler guest stars.

Oscar recalls how he had to deliver Felix's proposal to Gloria when Felix lost his voice.

After Oscar saves Felix's life, Felix goes overboard to repay the debt. First appearance of Penny Marshall as Myrna Turner, Oscar's secretary.

Felix's annoying grandfather (Tony Randall in a dual role) comes to stay with Oscar while Felix is out of town.

Felix invests Oscar's gambling money in a Japanese restaurant but soon drives the staff away. Pat Morita guest stars.

Felix must deal with a reform school boy (James Van Patten) who asks his daughter to a dance.

Oscar, Blanche and Felix all remember the New Year's Eve when the Madisons split up differently. Arch Johnson and Joan Van Ark guest star.

Felix persuades a champion Chinese wrestler (Jack Soo) to give up the sport, causing turmoil with Oscar.

Felix's uncanny predictions lead him to foresee Oscar being murdered at a banquet. Bernie Kopell guest stars.

A computer dating service matches Oscar with Felix's ex-wife. First appearance of Elinor Donahue as Miriam Welby.

Oscar's feud with Howard Cosell causes him to leave Felix's photo shoot.

Oscar falls for a European princess (Jean Simmons).

Felix takes a creative writing class with surprising results. Wally Cox guest stars.

Felix and Oscar try living as silent monks in a monastery. Richard Stahl guest stars.

Oscar retreats to an isolated cabin to solve his writer's block.

For his mother (Jane Dulo)'s sake, Oscar and Blanche pretend they are still married.

Felix directs a shaving-cream commercial starring pro football star Deacon Jones.

Oscar tells the story of how Felix gets thrown out of the hospital while Gloria is giving birth to their daughter.

Felix plans a This Is Your Life surprise birthday party for Oscar.

Oscar appears as a celebrity contestant on Password, with Felix as his partner. Guest stars: Allen Ludden and Betty White (as themselves).

In 1997, TV Guide ranked this episode #5 in its "100 Greatest Episodes of All Time" list.^[2] In 2009, it was ranked at #58.^[3]

Felix is afraid that he's losing contact with his daughter (Doney Oatman) and resolves to become a better father. Guest star: Frank Delfino.

Oscar and Felix compete for the affections of a vagabond young woman (Marlyn Mason).

To help him recover from an ulcer, Felix takes Oscar on a cruise that turns out to be an excursion for senior citizens. Queenie Smith and Karl Swenson appear.

Felix and Oscar turn to group therapy to resolve their mutual hostility.

Summoned to the IRS to sign his tax return, Felix convinces them to audit Oscar.

Felix tries to turn Myrna into a professional dancer. Bob Hastings guest stars.

Felix's opera club holds a casino night to raise money for new costumes. Guest star: Stanley Adams.

Oscar and Felix get arrested for scalping theater tickets. Curt Conway guest stars.

Oscar and Felix appear on Let's Make a Deal as two halves of a horse. Guest star: Monty Hall.

Felix introduces Oscar to a barefooted Greek belly dancer (Lynne Miller). Elvia Allman guest stars as Oscar's mother.

Felix updates the apartment in modern decor, but Oscar hates the changes. Charles Lane and Bubba Smith guest star.

At odds with his wife (Jane Dulo), Murray takes refuge with Felix and Oscar.

Felix's invitation for Gloria to stay for the weekend threatens Oscar's big poker game plans.

When famous ballet star Edward Villella is late for a children's performance of "Swan Lake", Felix takes it upon himself to dance the lead role himself.

Felix challenges Oscar to a mini-decathlon to prove his physical superiority.

Felix's new girlfriend Melanie Metcalf (Patricia Harty) doesn't tell him that she is married to National Football League star Jake Metcalf (Alex Karras).

In a flashback to when the Ungers and the Madisons were still married, the two couples travel to the Caribbean and argue, with Gloria asking Felix for a divorce.

With Felix's help, Oscar wins a new car in a radio contest, but the two disagree about what to do with it. Dick Clark and John Byner are guest stars.

In a flashback, Army Reserves enlistee Oscar weds Blanche at his military base. Liam Dunn guest stars.

While Oscar is dating singer Jaye P. Morgan, Felix tries to sell her his tune "Happy and Peppy and Bursting with Love". Wolfman Jack guest stars.

Felix's documentary film about Oscar lands him a directing job that is way over his head. David White guest stars.

Oscar challenges friend and tennis star Bobby Riggs to a winner-take-all ping-pong game. Billie Jean King makes a guest appearance as herself at the end of the episode.

With Oscar recuperating from an ulcer, Felix hires a maid (Reta Shaw) to take care of him.

Felix hears noises and believes the apartment is haunted, so he conducts a séance to exorcise the spirit. Victor Buono guest stars.

Oscar and Felix try to pitch a dentist (Val Avery)'s glue invention to a group of investors.

Oscar moonlights as a short-order cook in a sketchy diner to pay off a debt to Felix.

When Oscar's habitual sloppiness threatens his new romantic relationship, Felix tries hypnosis to cure him. Allan Arbus and Janice Lynde guest star. Jack Klugman's son, Adam, appears as a young Oscar.

Felix must travel to Houston to shoot an ad, but he's afraid of flying, so Oscar lends a hand. Teri Garr and Maggie Peterson guest star.

Felix stumbles upon a perfect choice for Carmen for his opera club's upcoming production, but the ultra-shy woman (Marilyn Horne) can only feel comfortable singing when in the presence of her unrequited love, Oscar.

Felix accepts his brother (William Redfield)'s offer of an executive position at the Unger bubble gum factory in Buffalo.

Felix and his band want to be on Monty Hall's new variety show, but a bitter Oscar stands in the way, still mad about the disastrous Let's Make a Deal segment (episode 67).

Oscar, Murray and Myrna try to cure Felix's insomnia.

Felix and Oscar sign up for security patrol duty, but Felix goes overboard and soon has the entire building hating him. Michael Lerner guest stars.

In a flashback episode, Felix remembers shooting for Playboy magazine when then-fiancee Gloria showed up as a model. Hugh Hefner makes a cameo appearance.

To help Myrna win her boyfriend (Rob Reiner) back, Felix tries to make her into a new woman. Guest stars: Garo Yepremian, Garry Marshall, and Ronny Hallin.

Expert bowler Felix makes excuses to avoid a big game. Leonard Barr guest stars.

Felix and Oscar search for Felix's son (Leif Garrett)'s escaped frog.

After landing a bit part in a movie, Oscar brings star-struck Felix to Hollywood. Guest stars: Bob Hope, George Montgomery, Allan Arbus and Leonard Barr.

Felix steals a mistreated dog and is brought to trial. Guest stars: John Fiedler, Rona Barrett, and Bill Idelson.

To settle a debt, Oscar recruits Felix's band to play for a square dance. Guest star: Pernell Roberts.

Oscar runs for city council to save local playgrounds. Howard K. Smith guest stars.

Trapped in a disabled subway car, Felix and Oscar learn that New Yorkers do have a heart. Scatman Crothers guest stars. Garry Marshall, Billy Sands and Barney Martin are other passengers in the subway car.

When Felix prevents his daughter from camping out overnight for Paul Williams tickets, she runs away from home to follow Williams.

In a flashback to Chicago in the Roaring Twenties, Oscar's and Felix's fathers (Klugman and Randall in dual roles) meet, as do the young Oscar (Adam Klugman) and Felix (Sean Manning). Elisha Cook, Jr. and Giorgio Tozzi guest star.

Oscar gets a chance to host his own radio sports talk show. Tina Andrews guest stars.

Oscar becomes involved with a widow (Dina Merrill) with two children (Kirby Furlong and Shelly Hines).

Felix's award for an ad campaign may have been won dishonestly. Guest stars: John Byner and Maggie Peterson.

Filling in for the paper's theater critic, Oscar schemes to get information for the column from Felix. Guest stars: John Barbour and real-life theater critics John Simon, Joan Crosby, and Dan Sullivan. Neil Simon, who wrote the stage play of The Odd Couple, makes an uncredited cameo appearance.

Oscar hires a joke writer (Jack Carter) to help him put down Howard Cosell. Guest stars: Roone Arledge and Martina Arroyo.

After Oscar scores big at the race track, Felix becomes interested in betting on horses. Guest star: Jerry Maren.

Felix organizes a rent strike against the building's nasty manager (Victor Buono). Guest star: Rodney Allen Rippy.

Following surgery, Oscar has to endure two days without yelling at Felix. Guest stars: Dick Cavett and Phil Foster.

Oscar's old army buddy (Roy Clark) is a practical joker and country musician. Albert Paulsen guest stars.

Felix convinces himself that he's an old man.

Oscar is chosen as co-host of Richard Dawson's new variety show.

Felix convinces Gloria to remarry him.

While Oscar recovers from throat surgery, Felix and Oscar are temporarily roommates again while Felix's daughter prepares for her wedding.