When the landlord dies, everyone believes that Sandra will become the new landlord, including Sandra. She assures Mary that once she becomes the new landlord that Mary will have to find a new place to live after her lease runs out. The tenants all go to the will reading and it is dicovered that he actually leaves the building to Rose. However, when Mary thought that Sandra would get ownership of the building, she called a building inspector to check out 227. He states that 227 is in need of numerous repairs, more than the tenants can afford.
Brenda desperately tries to get Calvin to notice her. When Mary doesn't seem to help Brenda out, she seeks romantic advice from Sandra. This ultimately upsets Mary when she finds out that Sandra alters Brenda's appearance.
When Calvin has a hard time finding a part-time job, Brenda and Pearl persuade Mary to convince Lester to offer Calvin a job working at the construction site. But when Calvin proves to be inept with his hands, he gets terminated. With some helpful advice from Mary, Calvin later lands five interviews.
When Mary tries to convice the landlord to order her a new refrigerator, he refuses. Mary then agrees to loan Sandra her apartment for a extravagant party if Sandra will ""persuade"" the landlord to get Mary a new refrigerator.
On the way home from running errands, Mary hits a BMW, breaking the tail light. From the persuasion of Rose, she decides to leave a note on the car. The next day, after no one has arrived to see the car, Mary wants to remove her note. However, another car comes by and nearly totals it, but then drives away. Before Mary can get to the car and remove her note, the owner comes out of an apartment and sees her note. Sandra tells Mary that she needs to use her ""femininity"" to get out of paying for the total damages. Mary says that she can't do that, so Sandra poses as Mary when the owner comes by to talk to Mary about the damages. Everything goes well until Lester comes home and their lie unfolds. Everything gets straightened out between Mary, Lester, and the car owner (Marvin), ending with a date for Sandra and a new friend for the Jenkins. Meanwhile, Mary tells Brenda that she cannot go skating with Calvin because she lied.
When Mary's brother Lewis comes to town on business, she decides to set him up on a date with Rose. The next day when Rose won't give Mary any details about the date, they get in to an argument where Rose finally admits that she thinks Mary's brother is ""self-centered"" and ""egotistical."" They stop speaking. Meanwhile, Lewis asks Sandra out on a date, and Mary fears that Sandra may be her future sister-in-law. When Mary spies on the ending of Sandra's and Lewis' date, and notices that all he talks about is himself and his job, she realizes where Rose is coming from. Sandra leaves Lewis on the stoop, dissatisfied with the date, and the next day Mary apoligizes and she and Rose make-up.
For an assignment that requires her to write about her ""Most Interesting Relative,"" Brenda asks her parents for help. Lester suggests his aunt Lucy who was a woman brakeman. After Mary hears about Sandra's supposed relative who was a Moroccan prince, she searches through an old trunk to find information about an interesting relative of hers. What she finds is that she had an uncle, Corporal Mortecai Hurley, who was in the Civil War's 54th Infantry. She persuades Brenda to re-write her paper on Mortecai. Not to be out done, Sandra goes to the library and finds out that Mary's uncle Mortecai was actually a ""coward"" in the war, and deserted his infantry disguised in the flag made to look like a dress. Mary and Lester tells Brenda and she becomes upset. She and Mary talk, and Mary apologizes for making her re-write her paper in the first place. But they decide that since the assignment calls for her to write about her ""Most Interesting Relative,"" she can still turn in the assignment on Mor
News of the breakup of her neighbors' marriage has Mary worried that the same thing could happen to her and Lester. Mary plans an evening of romance for her and Lester. Lester buys flowers (at Mary's suggestion) and they try to force romance by going out to eat, dimming the lights, and playing romantic music. But they realize that they only think that works is by letting it happen naturally and reminiscing about the past. Meanwhile, Sandra has to babysit her 6-year-old niece Susie while her sister Harriet and her husband visits his sick mother. She solicits Mary's advice on what to feed her and how to get her to fall asleep.
Pearl asks Mary if Lester would have a man-to-man talk with Calvin about sex and Brenda asks her parents if she could go to the dance Friday night. They believe that she is too young to date (14). From Mary's persuading, Lester talks to Calvin and ends his talk with, ""If you mess around with my daughther, I'll rip your head off."" Scared, Calvin breaks the date anyway. But Brenda still wants to go and comes up with a plan. Brenda tells her parents that she will go to the library Friday night, while Calvin tells his grandmom that he is going to see Haley's Comet. When Mary finds out, she goes to the dance and takes Brenda home. At home she and Brenda have a heart-to-heart talk, where Mary says she and Lester will relax the rules a little.
When Mary writes a letter to the President about the pothole that is on her street that no one has seemed to fill in 3 months, the secret service starts snooping around 227 and gets the residents nervous. Then they find out that the President was actually praising her for her consideration of her neighborhood. He makes plans to come to the street and refill the pothole with Lester. When the Jenkins' catch the city filling in the pothole, they stop them and tell them that the President and Lester will be doing that later. The President cancels his appearance because of an emergency meeting but calls and commends Mary and also flies over the street in his helicopter.
The tenants have a sidewalk sale to pay for the repairs needed to fix up 227. Lester asks Mary not to sell his aunt's old, ugly lamp, but she does anyway, for $5. When Lester finds out, he is upset, but for more reasons than one. The lamp is where he hid the profits of the sale. The tenants get upset with Mary and outcast her. Luckily for her, the wife of the gentleman who bought the lamp comes by her apartment to give it back to Mary, because she did not like the lamp either. They buy it back from the couple for $50 and got the money back to save 227.
When Sandra tells Mary how she can't keep a job because of jealous wives, Mary asks Lester if he knows of any job openings. He admits that his company needs a receptionist for their main office and Sandra gets the job. Howvever, Pearl and Rose worry Mary so much about Sandra working with Lester that Mary becomes suspicious and jealous. When she goes down to the office one day to take Lester to lunch, she tells Lester how she feels about ""Ms. Wiggles"" and Sandra quits. Pearl and Rose put Sandra and Mary in the room together to talk it out and Mary apoligizes. Sandra takes her job back, on the premise that Mary's jealous days are over.
Mary is upset that whenever Lester watches the football game, she doesn't get any attention. So she gets two tickets from Sandra for her and Lester to go to the game, with the hopes that he can teach her about the game and she'll get some attention. At the game, Mary insults the other fans and cheers for the wrong team. She and Lester end up having to leave early to avoid a fight.
Mary decides to buy a piano, even though Lester hates the idea and Brenda doesn't want to take lessons. When Sandra & Rose visit to take a look at the piano, Rose offers Mary piano lessons and Sandra wants lessons as well. Then, Sandra makes a sucker bet that for $20, she'll progress faster than her. After many piano lessons, Mary still struggles. Pearl tells Mary that Sandra used to take piano lessons. During a lesson, Mary offers to throw a party recital to show their progression. She shocks Sandra when she plays ""Minuet in G.""
When their church loses their land lease, the tenants must find another lot to place their church on. They enlist Lester's company's help to move the church to its new spot. Everything is ok, until the church comes up missing. Everyone is worried because they will have no place to have their Christmas pageant. They decide to build a large manger on the empty lot to hold the service. They later find out that the church was placed at the wrong lot.
Sandra starts dating a man who works with her and Lester, however she finds him boring. She leaves it up to the Jenkins to cancel their date. When he comes to the apartment, he meets Rose and she goes out on the date instead. The two hit it off very well. He asks Rose to go to New York with him and Mary and Sandra disagree on what Rose should do. Mary thinks she should not go, because they may end up sleeping together, which would be too soon for the time they were dating. Sandra thinks she should live life to the fullest. Rose finally decides to go and Mary apoligizes for meddling into Rose's business. Rose has a great time but does not reveal if they went through it or not.
Pearl goes to Baltimore to visit her sister and the Jenkins watch Calvin for her. When he tries out for the romantic lead for a school play and doesn't get it, he becomes depressed. Sandra boosts his confidence and makes him feel better, however, he mistakes her kindness for affection and begins to fall in love with Sandra. When Brenda hears how silly Calvin is acting over Sandra, she goes and talks to him and expresses to him that she cares for him more than Sandra would ever, and she tells him that he is her best friend. Calvin gets over his crush really fast after that.
Lester's old boss comes to visit the Jenkins from Hawaii. While there, Rose hires him as the building repairman and lets him live an efficiency on the third floor. Pearl begins to notice that people go up to visit Lou and never return. She and Mary investigate and find out that Lou is homeless and his homeless friends are the ones that have come to live with Lou. It turns out his business in Hawaii went belly-up, and Lou lost everything. Mary has sympathy for them and feeds them, while trying to keep the news from Rose, because she would have to put them out based on the housing codes that they are breaking. Lester finds out about an abandoned building that his company will fix-up so the homeless people will have some place to live. This will also give Lou the chance to get back into business again.
While at a neighborhood watch meeting, the Jenkins get robbed, with Brenda in the kitchen on the phone. When they return from the meeting, they see that the burglars took an arm chair, their television, radio, and lamp. This gives Mary the idea of remodeling their living room. However, Lester has his heart set on buying a sports car. While on a test drive for the sports car, the neighbors and Brenda help set up a surprise for Mary. The living room has been remodeled with everything that Mary had circled in a decorating magazine. Lester decides that the sports car can wait.
Sandra begins dating a basketball player who rubs Mary the wrong way from their first meeting. He comes across as rude and arrogant. Calvin idolizes him and mimics his attitude. Brenda doesn't like hanging around the ""new"" Calvin. When Calvin hears how the Rocketman talks to Sandra in an argument, and hears the Rocketman call him ""some dumb kid,"" he changes his opinion of Rocketman and realizes that he was acting like a jerk.
At their vows renewal ceremony, Mary's parents are in the middle of the argument and are not talking to each other. Lester talks to his father-in-law, and Mary talks to her mother to encourage them to make up and go through with the ceremony. Meanwhile, Sandra meets a man who turns out to be married, and Rose has a peculiar conversation with another man: it turns out that both her late husband and his late wife both used to vacation in Vermont for one week out of the year, to go ""fishing"" and ""writing poetry,"" respectively. They both assume that their mates were cheating with each other, until they realize that their mates used to go to separate cities in Vermont.
While reading the newspaper, Rose and Pearl choose 6 numbers related to an article that is in it. However, Mary thinks the lottery's a waste of time and money. But with a big jackpot, Rose & Pearl don't care. Mary preaches to the girls what a waste of time it is, so the girls agreed. Lester buys Mary a scratch off ticket and she wins $10. However, while waiting in line to redeem it, she gets a lottery play slip and gets numbers from the same newspaper article. Sandra spots her and then she know she's in trouble. Rose & Pearl enter Mary's apartment and were mad that after she preached about the evil of playing the lottery, she buys a ticket for herself. So she offers to split any winnings should it be a winning ticket. The Pick 6 is a winning ticket and that not only Mary won, but many people in the 227 apartment building won, as well as much of Washington DC! The big jackpot turns out to be worth $266 & that Mary, Rose & Pearl will each get $88.67!
When Mary and Rose come home from the movie theater, they see JoJo spray painting his gang tag underneath Pearl's window. Pearl hits him with her pillow, Rose grabs the spray can and accidentally sprays his shirt, and Mary grabs hims, but tries to talk sense into him. JoJo tells his mother everything that happened, while leaving out the part about him spray painting on the building. They decide to sue the ladies, and use Sandra as a witness, who was in the car on a date. When they get in court, his mother and the Judge eventually find out the truth and JoJo is made to clean up his damage. His mother apologizes to the ladies and the ladies are fined 10 cents each.
When Lester goes to watch the game at a friend's house, Mary and the ladies decide to have a girl's night out. They go to a club/bar where Pearl meets man. They hit it off. When Pearl comes home, she tells Mary that she and Felix are engaged. Mary seems to be the only one concerned about it, while Rose and Sandra want to throw her a bridal shower. Mary thinks that he is after Pearl's money. Pearl doesn't care what Mary thinks, and she and Felix get married any way. When she returns from her honeymoon, Mary apoligizes, but Pearl has bad news. Felix passed away. She admits to Mary that they knew that he was dying. Because she loved him and didn't want him to be lonely, they married so soon.
When Sandra sees a pillow that Mary is making for Brenda, she is impressed. She tells Mary that they could go into business and make lots of money. So Mary agrees to a 50/50 deal with Sandra. Eventually, things become too overwhelming for Mary as she is the one doing all the work and Sandra is the one eating expensive lunches and arranging buyers. Mary insists that she go on the next business lunch with Sandra, and the buer requests 10,000 pillows for his stores. Mary admits to him that they are a small company and they make a deal, with him as a third partner, to build a factory. He decides to build the factory in Taiwan, minus Sandra and Mary. In the end, Sandra ends up owing Mary money because she spent all of the profits.
Lester comes home from work sick, with the assumption that he has the flu. Using a bell that Sandra gives him, he drives Mary crazy with his demands for ""water"" and ""celery salt"" for his soup. She just assumes that he is being a big baby. Asking Brenda to watch Lester for a little while, Mary goes shopping and gets a pedicure and manicure (something she was not able to do earlier with Pearl and Rose). When she returns, Lester is being carried into an ambulance because he has appendicitis and needs to go to the hospital. Mary is worried to death because she can't see Lester in the operating room, so she sneaks in. The operation is OK.
After Sandra sees her neighbors (a married couple) interact with each other and with their daughter, Sandra decides that she wants a husband and a child. She goes out on a series of dates which end in disaster becasue of Sandra's openness about wanting to be married and have a child. She finally decides that since she can't find a suitable husband that she'll just get artificially insiminated. Mary and Rose try talk her out of it. But nothing is more of a rude awakening than when Sandra witnesses Cathy going into labor and she sees how Jim was there for her every step of the way. Then Mary and Lester talk about the night Brenda was born and how they really needed each other then. Sandra changes her mind and decides that when she does have a baby she would like to be married so she can have a husband that loves her and loves their child.
When Ms. clark uses her feminine wiles to get Brenda a part-time job at Billy Bob's Burgers, Brenda's parents are divided: she wants Brenda to study full time, while he is delighted at her new sense of responsibility.
When Brenda meets a cute boy she decides to invite him to her party Saturday night. After getting permission to actually have the party, she then hears Sandra tell a story about how when she was young and wanted to get to know a boy better, she would ""mistakenly"" tell him the wrong day of the party. Brenda tries the idea and invites Ken over for Friday night instead, hoping that when he gets there he will meet her parents and stay for dinner. But Mary and Lester decide to go out to eat and are not home when Ken arrives. Brenda decides to let him come in anyway, just to have a drink, but then Calvin shows up to drop off chairs for the party. When she tells them they need to leave, Mary and Lester arrive home and the boys hide. Mary and Lester eventually catch the boys in the house.
Mary and Sandra become contestants on ""Wheel of Fortune"" and wind up competing against each other.
Mary invites Sandra and her date, an eligible Congressman, to a dinner for Brenda's teacher who is attracted to the legislator.
Mary is in charge of the church's charity show, and it's like divine providence when the Temptations show up at her door.
Calvin's dad comes to visit D.C. He and Calvin have fun going to basketball games and going to see the Blue Angels fly. Because he and his grandma have been arguing a lot lately, Calvin makes the decision to live with his dad in Iceland, thinking it would be more fun than living in D.C. Pearl is sad about it but doesn't want to show it too much. Mary throws Calvin a going away party, and after he hears what nice things every one has to say about him, he realizes that he has more ""family"" than he thought and decides to stay in D.C.
Rose tries a video-dating service, but wonders if she can live up to the image Sandra creates for her.
The Social Security office says that Pearl is dead, and the resulting protest lands Pearl, Mary and Rose in jail.
Sandra is writing a romance novel whose characters resemble the residents of 227: Marie, Rosita, and Pearlie Mae. With Mary up against Emma Johnson for the presidency of the Ladies' Auxiliary, she becomes nervous when Emma receives a copy of Sandra's book. She and the Rev. come to the Jenkins' home when Sandra drops by and gives Emma the newest chapter of her book, introducing a new character: Emily (who resembles Emma). Emma changes her mind about blabbing to the Rev. and resigns from the running for president. Mary becomes president.
Upset when Brenda comes home from University Day wanting to attend Northwestern, Mary anticipates an empty nest by demanding that Lester give her a job at the construction site --and gets fired on her first day. Mary takes a job at a travel agency (with Sandra), where her boss finds her so invaluable that he wants her to accompany him on a trip. The boss comes on to Sandra, who then quits and tells Mary not to go on the trip. She goes anyway, and Sandra then tells Lester about their boss. He surprises Mary in Philadelphia and jumps to the worng conclusions when he finds a man's suit and bathrobe in Mary's closet. He finds out that Mary bought them for him as a surprise.
Calvin befriends a new kid named Ron who says that his money comes from his rich uncle. He buys Calvin a new pair of shoes and offers to take Calvin and Brenda to a Stevie Wonder Concert. Mary doesn't like the way Ron is ""trying to buy friends."" For $50, Ron gets Calvin to give someone a sealed package and in return he receives $1000 to give back to Ron. Once Pearl and Mary find out, they conclude that Ron is a drug dealer. Mary goes to talk to Ron's mother about his free spending and the fact that he is a drug dealer, but his mother refuses to believe Mary. Calvin confronts Ron about using him to deliver drugs and Ron admits that he used Calvin and all it cost him was a pair of shoes. Later that day at a drug meeting, Ron's mother shows up and tells the 227 residents that Ron was stabbed to death in a drug deal gone bad.
Lester has a chance to do a big project and give a friend who's out of work a job. But things change when he learns that the company whom he'll be working for sponsors apartheid. So he has to choose which is more important.
When Lester decides to rent a hotel room for the weekend, Mary plans a cruise, and the ladies plan a surprise party for Mary and Lester's Anniversary, it's all Brenda can take to keep it a secret. She decides to tell them what the other's are planning for the weekend and they all agree to the party. When Lester and Mary's parents arrive they argue about everything. Lester ends up getting sick and the party ends up being cancelled. Lester and Mary decide to take a cruise later on to celebrate the anniversary.
Mary and Lester go to a toy store to purchase toys for kids in the hospital. When they get there, the guy lets them in even though the sign on the door says closed. The Jenkins discover that he is attempting to rob the place. Pee Wee Herman comes into the store to purchase some things, so he is taken ""hostage"" along with Mary and Lester. Later on, Sandra comes and she is also escorted to the back of the store. The entire gang is tied up. They think of ways to escape. Their plan for Sandra to entice the robber changes courses a little when Pee Wee actually saves the day by throwing bubbles into his eyes.
Sandra is very upset when she learns that her mother is coming to visit. She feels as though her mother doesn't love her because she is so different from her ""normal"" siblings and family members. Sandra changes her appearance to look ""dull"" because she thinks that is what her mother willl approve of. That same weekend, a male friend of hers also comes to visit. Sandra and Mary try to keep the two from meeting. Finally Sandra admits to her mother that she thinks her mother does not love her. Her mom admits that she was just like Sandra before she got married, but calmed down so she could fit in with Sandra's father (who is a minister) and that she loves Sandra just the same because there is never a dull moment with Sandra around. Mop and her mother end up meeting anyway, and they all go dancing.
When Sandra comes to show the ladies the new ring that her boyfriend gave her, Mary notices an article in the newspaper that mentions a robbery at the same jewelry store where Sandra and her beau first admired the ring. Mary suggests that Sandra contact the police. The police put a bug in one of Sandra's earrings so they can record her convo with her boyfriend. While he is there, he shows Sandra some bracelets and neckalaces. Just then, the police come into her apt, but Justin gets away. Sandra is afraid that he may come back, so she asks her friends to keep her company and sleeps on the Jenkins' couch. The next day when she returns to her apt fearless, Justin returns with all the ladies there, but the police come in and arrest Justin. They reveal that they were surveilling Sandra's apt.
The IRS audits Mary and Lester. At a diner, Mary gets into an argument with a man whose views on women are old-fashioned and clash with Mary's views. She goes as far as to insult his mother. When she and Lester are finally let in to see the auditer, it's the man Mary insulted! She knows that she and Lester are in deep trouble. Mr. Stone doubts the validity of their receipts and Lester is upset. Sandra bursts into the room because she has a date with Mr. Davis ans wants to know what's keeping him. She verfies a that a questionable dinner party was truly a party for Lester's investors and employees. Mr. Stone lets them go.
