Season 4

Felix's ex-wife visits and he thinks that he can convince her to take him back.

Edward Villella teaches Oscar and Felix how to dance while dancing to music from Tchaikovsky's Swan Lake.

Felix comes up with a scheme to prove he is more physically fit than Oscar.

Felix's new love interest is married to a jealous professional football player.

Flashback Episode: Felix attempts to salvage Oscar's marriage and ends up destroying his own marriage.

Parking nightmares for Oscar and Felix as they fruitlessly attempt to find a parking spot for their new automobile.

Flashback Episode: Oscar gets married and spends the wedding night in the Army barracks.

Felix decides to write a song for Jaye P. Morgan.

Felix makes a movie about... Oscar Madison!!

Bobby Riggs appears and tries to hustle Oscar out of all his possessions.

Oscar and Felix try to find a maid who is beautiful enough for Oscar, and clean enough for Felix.

Felix is convinced the air conditioner is haunted by a ghost.

Oscar and his dentist try to convince Felix to invest in a new product: barnacle-made glue!

In order to repay borrowed money, Oscar takes a job working in a greasy-spoon cafe.

Oscar decides to be as clean as Felix after being called a slob by his girlfriend.

Felix is afraid of flying, but he has a photography assignment in Houston. Will he overcome his fear?

The New York Metropolitan Opera's Marilyn Horne stars as Felix's new discovery, but is too shy to appear in his opera unless Oscar is in it as well.

Felix's brother tries to convince him to leave New York City.

Felix tries to get his old college band on Monty Hall's nostalgia program.

Suffering from sleeplessness, Felix keeps Oscar awake with his fussing.

Felix joins the NYPD's civilian unit.

Felix's first big assignment is to photograph a centerfold.