Three's a Crowd is an American television sitcom sequel to Three's Company. It is loosely based on the British TV series Robin's Nest, which was itself a spin-off of Man About the House, on which Three's Company was based.
Jack and Vicky try to hide the fact of their living together from Jack's Aunt Mae. Meanwhile, Jack hires EZ Taylor, a 'surfer dude,' to work at his Bistro.
Jack and Vicky fight over money when Jack wants to buy everything the two own. In the end, Vicky gives Jack some money to invest in the Bistro.
Jack has a Bradford Family Dinner at the Bistro, hoping Vicky's parents, James and Claudia, will get together again.
When Vicky gets the measles, Jack comforts her. But it turns out she doesn't want Jack to baby her, she wants her dad, James Bradford, to take care of her.
When Jack can't get it on, he thinks his attentivness is wearing away. It turns out it's because of some stress from Vicky's father. But Vicky thinks he's having an affair with EZ's girlfriend and getting what he wants from her.
Mr. Bradford tells Jack and Vicky that he think's that their relationship is all about sex, and Jack says he can easily do without it for a week. But when they attend a musical recital, Jack finds it a hard bet to win.
When counterfeit money is found coming from the Bistro, Mr.Bradford is put into a police lineup, and none other then Jack must identify him.
Jack and Vicky have a turbulant plane ride on a plane bound for Acapulco when they try to get away from it all to relax. It doesn't get any better when Mr. Bradford decides to come along and stays with Jack and Vicky in their Honeymoon Suite.
Vicky's old boyfriend opens up a dining place right across from Jack's Bistro
James sets up a meeting between one of his business acquaintances, Carlo Fabrizi, and his ex-wife, Claudia. He does this in the hopes that Claudia will marry Carlo Fabrizi so he will no longer have to pay her alimony.
James falls in love with a young, beautiful artist named Lee Pelosi, against the better judgment of his daughter Vicky. Jack tries to save him from heartbreak when the situation plays out in a way Mr. Bradford does not like.
Vicky hides new golf clubs for her father in EZ's van so Jack won't ruin her surprise. Meanwhile, EZ's dog has become pregnant with puppies. Jack is under the impression that Vicki is expecting when he receives a phone call from a veterinarian about prenatal pills, thinking it's from Vicki's doctor.
Vicky invites her friend, Dorothy, over, to cheer her up because she recently broke up with her boyfriend. Vicky invites her to have dinner with Jack and her. Dorothy has new contacts which make her blink, but Jack misunderstands it and thinks she's blinking at him because she has the hots for him. The situation confuses Jack even more when he overhears Dorothy on the phone telling a friend that she has met a new man, who Jack thinks is him when it is actually another person altogether.
Jack convinces Vicky to use a $1,900 refund check to invest in a case of 1975 vintage wine, thinking that it would be a good wine that would bring a good return. It turns out to be a shipment of sour wine, so Jack ends up having to take up a job in a Sushi House to repay Vicky the $1900.
Jack gives EZ lessons on how to impress his date, who is a high society sorority girl. It later turns out that the girl wants Jack more then she wants EZ.
Vicky keeps beating Jack at Trivial Pursuit and other trivial matters. Jack keeps trying to show her that he is better then her at some things, but his attempts bomb. He tries to out do her at a beach carnival in front of guests but just makes himself look like a jerk.
Jack tries to cheer up James, because James is feeling old. After they get drunk, James is arrested for urinating in public and ends up in court.
Jack's old friend from his Three's Company days, Larry Dallas, invites Jack to a swinging party he's throwing. When Vicky finds out about the party, she says that she doesn't mind, but really wishes he wouldn't go because his former girlfriend, ""Greedy"" Gretchen will also be there. ""Greedy"" Gretchen puts the moves on Jack just as Vicky arrives
Jack saves James' live and suddenly finds Jack to be the son he never had.
Jack's Bistro becomes the "in" place to eat in Santa Monica and Jack becomes a celebrity after a famous food critic gives his French fare a marvelous review. Jack forgets the first anniversary of the day he met Vicky and the cruise they are to take that day.
Jack goes to City Hall to complain about the trash rate increase. When that doesn't work, he goes on a radio show called Beach Talk to air his complaints, and is stunned when James Bradford arrives to counter Jack's allegations as owner of Allied Waste Disposal.
Jack has stardom go to his head when Vicky is chosen to be in a Trans-Am commercial with him as a passenger in the commercial. Turbulence occurs on the set when the commercial's tempermental director and Jack get into a fight.
