Three's Company — Season 4

Jack mistakes a visit from the FBI for a reference for a former Navy buddy as a mission to get him.

Lana Shields needs an escort and instantly falls for Jack, who wants nothing at all to do with her.

The trio and Larry meet Mr. Ralph Furley, the new landlord, after accidentally selling all of his furniture, believing it was the Roper's old furniture.

Chrissy gets a new sales job.

Jacks wants to be aggressive to get the better of Mr. Travers.

Jack saves the life of a man who happens to be rich. A s a reward, he gives them an apartment in a very affluent neighborhood.

Chrissy feels sorry for a homeless man and lets him stay with her, Janet and Jack, much to their dismay.

Larry's girlfriend wants to be an actress, so he tells her that his friend Jack is a famous commercial director. Jack, Janet, Chrissy, Furley, Lana, Larry, and his girlfriend Laura go on a camping trip that's anything but relaxing.

Chrissy falls and hits her head in the bathtub while trying to put up a shower curtain. Jack and Janet take her to the hospital when she starts to get dizzy. They misunderstand the doctor when he comes out of Chrissy's room crying, and think that she has only a short time to live.

Chrissy loses Jack's money and they can't pay the rent. So Chrissy sees a loan shark and borrows money on Jack behalf.

Jack gets a job on a cruise ship and is invited to take only one guest. He has a choice between Janet and Chrissy and he sure doesn't want to take Lana of all people. So he makes it so Mr. Furley can go on the trip with Lana, who thinks that jack will be on the ship waiting for her.

Chrissy pretends to be Mr. Furley's wife so Mr. Furley can show off to his old rival.

The trio think an advice column was written about them; that Jack is secretly dating one of the two girls without the other girl knowing.

Reverend Snow has a chance for a new appointment on the condition that his daughter Chrissy move out of the apartment.

After an unsuccessful date, Janet comforts Larry, who takes her kindess the wrong way when he thinks that she wants him.

Jack goes out with a girl who has a muscular brother that doesn't like her sister dating.

Furley hopes to ""straighten"" Jack out by giving him love lessons. If he is indeed straight, he has to move out.

Chrissy borrows her policeman cousin's handcuffs and accidentally gets locked together with Jack who has a big date waiting for him.

Jack and Chrissy believe Janet wants to have a baby.

The trio help out a runaway boy.

Jack's brother comes for a visit, but Jack doesn't like him because he always seemed to be better than Jack. It gets really serious when he has designs on Chrissy.

Chrissy wins money at the racetrack and the trio get into a fight over how to use the winnings. It takes a trip to the psychiatrist's office to see that the money is tearing them apart.

Chrissy plans a rendezvous with a secret admirer.

The roommates thinks that Furley is going to kill himself and they show praise for him.

During a cooking class exam, Jack's dishonest friend switches dishes with him, making Jack unable to graduate cooking school.