Larry is miserable on his 24th birthday after he blew a photo opportunity. So Balki tries to throw him a last minute surprise birthday party for him to cheer him up.

Jennifer's mother comes to town and wants to meet Larry, and Jennifer doesn't think that her mother will approve of her marrying him. Later on, Larry falls down the stairs at the Chronicle and gets amnesia which lasts through the dinner where Larry meets Mrs. Lyons.

Larry manages to get tickets to go to a Bulls game with Balki on the night that Larry promised to take Jennifer to the ballet. So Larry lied to Jennifer saying that he had to work. Balki tells him a story about an old Honeymooners rerun where we see Ralph (Larry) lying to Alice (Jennifer) about having to work late when he plans on going bowling with Norton (Balki) and Alice ends up finding out about it while she was with Trixie (Mary Anne). However Jennifer found out about the basketball game and Larry is in a heap of trouble.

Balki wants to get his driver's license but Mr. Twinkacetti doesn't think he can do it. But Larry is so confident that he can, that he bets $50 and offers Balki his car.

After losing their new apartment, Larry and Jennifer move into a luxurious Victorian house but can't afford to pay for food and heat. So after trying to break the lease without success, They ask Balki and Mary Anne to board with them to help them out.

Balki finds a box with over $50,000 cash in it. Larry wants to keep it but Balki is insistent on finding the rightful owner, which won't be easy, especially with Mr. Gorpley scheming to get it anyway he can.

Balki and Mary Anne expect Larry and Jennifer to set a wedding date but they're too scared. To help them, Balki gives them an official marriage test to see if they're right for each other but things don't go as expected. In the end they set the wedding for September regardless of what the test says.

Larry decides to impress Mr. Wainwright by enlisting himself and Balki to move his brand new oversized couch up the elevator to his office while the elevator is under repair.

Larry Appleton has just settled in his new Chicago apartment after leaving home of one of nine kids and took a job at the corner discount store working for his greedy landlord Mr. Twinkacetti until he can eventually become a photo journalist. But one evening, Balki Bartokomous, his distant cousin and a Mediterranean sheep herder from the island of Mypos shows up on his door step looking for a place to stay. So Larry takes him in and tries to get him a job at Twinkacetti's store which may mean risking his own job.

Larry takes Balki to a singles bar to meet women and while Balki gets his first date, Larry gets beat up in a parking lot by a boyfriend of a woman he hit on.

Larry takes Balki to the bank to open a bank account but Balki doesn't seem to understand everything about banking when he overspends with his checks and buys Larry new furniture. Meanwhile, Twinkacetti is going to a poker game and his wife, Edwina doesn't like him gambling. So he asks Larry to tell his wife that they were at a basketball game but Larry refuses to.

Larry tries to kickstart his career and gets tipped off that Dolly Parton is in town committing adultery. So he decides to follow her until he can get a picture to sell to newspapers. Meanwhile, Balki will do a favor for anyone who will ask for it so Larry teaches him to say "no" once in a while but it backfires on him.

Jennifer was asked out on a date by an old boyfriend and checked with Larry first. But he agreed thinking that's what she wanted but she really wanted to know here their relationship is going. Confused, She breaks up with Larry who is too scared to tell her how he really feels but they eventually end up getting engaged.

Larry and Balki manage to play back the tape proving their innocence, but they have trouble getting the tape to the police after they are mugged and captured by Marco's men.

Grandpa Appleton comes for a visit and is quite a surprise: He's 76 years old and is acting like a wild teenager, and has a much younger girlfriend. Larry thinks he should act more his age but Balki thinks that it's okay acting as young as he feels.

Balki's catering business really takes off when he is catering for Texans. At Larry's advice, Balki books another party on the same night unaware that Larry already booked another party without telling him. Even with Larry helping him in the kitchen, and Jennifer and Mary Anne serving, all three parties are too much for them to handle.

As the best man at Larry's upcoming wedding, Balki is tricked by Mr. Gorpley into throwing a bachelor party and when Mr. Gorpley show up at the party, he spikes the punch and hires a stripper and Jennifer finds out.

Larry and Balki are driving to Lake Whitefish where Larry and Jennifer are getting married and they are pulled over for going too slow, but they are arrested when Larry backs into the patrol car, then they are picked out of a line-up when Larry is identified as a robber. Larry and Jennifer end up getting married in jail until the real robber confessed.

Larry goes to an auction to cover a story and brings Balki with him and Larry demonstrates the bidding procedure at an auction and they wind up buying a very expensive bottle of wine for $21,000. They now must hide it from Jennifer until they can go back to the auction and resell it.

Larry is sent to Los Angeles to write an article about a soap opera star's wedding and Balki goes with him. While attempting to get a better story, they get chased by mobsters after they witness and video tape Marco Madison, a big time gangster, murder an undercover drug agent and Larry and Balki are prime suspects.

Larry buys an engagement ring for Jennifer from a street hustler unaware that he sells phony diamonds. When he discovers that the ring is fake, Larry sells his car, buys a real diamond and tries to switch the rings before she gets it appraised the next day.

After doing some research, Larry finds evidence that Mary Anne is a serial killer but Jennifer is very skeptical since she's known her all her life. But Larry gets scared when Mary Anne is planning on taking Balki mountain climbing, and when Jennifer gets called into work, he thinks that Mary Anne killed her. It turns out to be a total misunderstanding.

During the cold season, Larry has a bad cold, along with everyone else except Balki. So Balki's mama sent a plant that cures Larry and everyone else and Larry decides to grow it big to make money off it unaware that growing it big has wacky side effects.

Larry suggests to Mr. Wainwright that a Chronicle employee stay on a billboard until the Bulls' losing streak is over. Mr. Wainwright liked the idea and assigned Larry to find someone to do it. So he tricks Balki to do it but when Balki wants to get down, Larry kicks the ladder down and they both get stuck up there until the Bulls win.

Larry and Balki get part time jobs to earn extra money. Balki tries stuffing teddy bears, but Larry asks for his help with door to door selling cleaning products. However, Larry is determined to go to a mansion and sell lots of products instead of going door to door with disastrous results.