June and Ward go away for the weekend and Wally asks to borrow Ward's new car to go to a dance. Although hesitant, Ward finally gives in and lets him take it. However, after the dance, Lumpy runs into some car trouble which results in Wally smashing the headlight on the car. Wally is now faced with having it repaired and paying for it himself and trying to find a way to break it gently to Ward.

After coming home late on a school night, Ward and June punish him by not allowing him to go anywhere on school nights. Beaver feels the punishment is unfair and when Eddie suggests Beaver write to an advice column but is disappointed with the response.

Wally has been constantly spending his time at Julie Foster's house and June suggests that he's old enough to take her out on a dinner date. Julie suggests a new expensive restaurant called The White Fox. However, during the meal Wally discovers that he forgot his wallet at home.

When Wally is notified that the State College scholarship he applied for went to Lumpy Rutherford instead, he graciously throws a party to celebrate with his friend and secretly helps out after Lumpy gets disappointing news.

During one of his football team's games, Beaver is sent in and scores the winning touchdown which results in a picture in the paper. Soon, Beaver finds himself swamped with attention and quickly lets it goes to his head. He begins acting like he's better than everyone and begins to alienate Gilbert, Whitey and Wally.

Beaver buys a common magic trick but is disappointed by everyone's ""that's nice"" reaction, but he gets a totally different reaction out of Bengie when Larry and Beaver convince him that Beaver has been turned into a rock.

A school dance has Beaver with a major dilemma: he has two girls who ask him to go with them. However, he has a little problem, he accepted the first invitation but now wants out of it when he's asked by the second girl. This leads him to take some of Eddie's poor advice.

Beaver has been assigned to write a book report on The Three Musketeers. However he's waited right down to the wire to get reading and quickly realizes that he'll never get finished. He decides to watch the movie that's going to be on TV and write his book report based on the movie.

Beaver's class is having a group picture taken and while having it done, Gilbert goads Beaver into making a face with him when they snap the picture. However, when the picture is actually taken, Gilbert backs out and Beaver is the only one making a face.

Wally has his mind pretty much made up about going to Ward's alma mater, State University and he's even considering joining Ward's old fraternity. However, both Eddie and Wally think twice when they hear from a college student that it's the worst fraternity on campus, but Ward has already sent out his letter of recommendation for both of them.

Beaver comes home with the news that he applied to appear on a local television show called Teen Forum and he has been accepted. Beaver gets out of classes for the taping and all his classmates are treated to being able to watch him on TV during class. However, what Beaver, his friends and family don't know is that the show tapes each episode a week in advance.

Wally asks June and Ward if he could have a party and with some prodding, Wally finally gets their permission. June quickly begins the plans and Beaver gets a look at the guest list and quickly finds that he's not invited. For revenge, Beaver decides to sabotage Wally's party with a variety of gags that he bought at a magic shop.

The social event of the season, according to Fred Rutherford, is big party that a wealthy family is throwing and he rubs it in due to the fact that June and Ward didn't get an invitation. However, Wally and Eddie will be there after they get jobs parking the guest's cars. However, trouble ensues when Eddie parks Fred's car in a no parking spot and the car gets towed away by the city.

At school, Beaver gets into an argument with a girl who retaliates by making fun of Beaver's hair, calling him a sheepdog. Incredibly self-concious, Beaver goes out to the store and buys different hairsprays and gels to try to improve his hairdo. He doesn't get the reaction he was expecting when he tries his new hairdo out on his family.

During a particularly awful golf game, Ward happens to break his driver and decides it's not worth repairing it, so he just puts it in the closet. Later, Gilbert talks Beaver into hitting around some golf balls with Ward's clubs and one hit with the broken driver has Beaver thinking he broke it.

Beaver seems to be on a selfish streak after backing out of a babysitting and later not wanting to do a simple favor for Wally. Ward gives Beaver a stern lecture and soon takes Ward's advice when a tramp comes to the door wanting some kindness. Howver, the tramp quickly takes advantage and helps himself to more than a glass of water.

Beaver is scheduled to recieve a football award at a father son dinner being held in the school gym. While talking with his friends, Beaver learns that none of them are planning on wearing a jacket and a tie so when June and Ward insist that he wear one, he adamently refuses.

Ward is given two tickets to a baseball game and is faced with an impossible decision: should he take Wally or Beaver? Beaver lets him off the hook when he announces he has plans with Gilbert. However, when they fall through, Beaver changes his mind about the game and becomes convinced that because he's the youngest he gets the short stick.

Beaver is all set to go with Eddie and Wally to hook up an AM/FM car radio in Eddie's car, but June stops him and insists he go to the grocery store to pick up the items as he had promised. This leads Beaver to give June the cold shoulder treatment while playing up to Ward.

Ward receives an antique pipe as a gift from Fred Rutherford and a curious Larry and Beaver decide to try it out. First they use coffee but then they try tobacco. When Ward discovers someone has used the pipe, he jumps to the conclusion that Wally is the culprit.

It's come down to the final week before junior high school graduation and Beaver is having a ball and even skips a class with Gilbert. However, Beaver becomes convinced he won't graduate after Gilbert and him take a peek at the diplomas on Mrs. Rayburn's desk and find Beaver's diploma to be missing.

While staying after school cleaning the chalkboards, Larry convinces Beaver that Mrs. Rayburn keeps a spanking machine in the closest in her office. Later, a curious Beaver sneaks a peek but soon finds himself locked in the principal's office. Beaver's fame doesn't go over well with his family but Beaver has another problem on his hands: he's just gotten his head stuck in an iron fence at the park.

Eddie pompously announces that he's dropping out of school to get a high paying job at a gas station. However, all is not as it seems when Wally and Lumpy get a glance at Eddie's new free spending life.

Wally plans on going to a big dance with Evelyn Boothby and they plan on getting there cramped with six other people in Lumpy's car. When June and Ward refuse to allow that, Wally and Evelyn must find another way to get there. However, what Evelyn has in mind doesn't go over well with Wally.

A neighbor gives Wally the responsibility of taking her son, Chuckie, down to the shoe store to pick out a pair of shoes. However, when Wally gives the job to Beaver, Beaver finds himself searching for Chuckie, who has gotten himself lost.

A party is being thrown at the dancing school where Beaver and Wally once took lessons and they're both invited. This prompts Beaver to ask one particular girl who caught his eye, Betsy Patterson, if he could escort her to the dance. However, once at the dance, he finds that Betsy has promised other boys that she would dance with them.

Beaver has the chance to travel around the country for six weeks during the summer and he's all excited about it. However, he quickly realizes when he's gone Gilbert will go after the girl Beaver has a crush on, Mary Margaret. Fortunately, he quickly realizes there's more to life than Mary Margaret.

Wally's on-again off-again girlfriend, Julie Foster seems to have thrown him over for a new guy in school who just happens to have a mustache. Wally's ego is bruised when Eddie tells him that Julie thinks he's naive and immature. This is the last straw and Wally decides to grow a mustache, much to the dismay of his family.

Beaver, Gilbert and Richard find a burro for sale in Mayfield and they each decide to each go in $10 for it. After getting their parent's permission, Richard and Gilbert fight over who gets to keep the burro, which they name Pepe. However, once they get a load of just how destructive a burro can be, they dump the problem of room and board on Beaver.

Wally and Eddie are finally invited to join the barons, the high school's most exclusive club.

June and Ward have noticed the Wally has been spending quite a bit of his time at the movie theater but it's not to see the movies. He's been eying the pretty young lady who works in the box office. Thanks to Eddie, Wally works up enough courage to ask her out but quickly sees another side to the young lady that is a bit too mature for Wally's taste.

An old friend of Beaver's spends the weekend at the Cleavers and Beaver is all ready to have a great time like they use to. However, Beaver quickly discovers that people change and in this case Beaver's old buddy has indeed changed.

Beaver has been given an assignment in which he must write a autobiography for class but isn't sure about his abilities at writing. So, he convinces a girl, who likes him, to write it for him. When she discovers that he is merely using her, she writes an outrageous life story and hands it in, causing embarassment for Beaver when the teacher reads it in class.

Beaver buys a run down mini-race car from Eddie and needs to find a set of wheels for it. Beaver decides to ask Penny Woods if he could have the wheels off her old doll buggy but finds himself in an awkward position, pushing a doll buggy down the street.

Beaver learns he has to go to the dentist and that's when his friends tell him some horror stories about the drill the dentist is going to use. This prompts Beaver to become downright scared of going to the dentist.

June and Ward are excited when they learn that Aunt Martha has made arrangements to send Beaver to a prep school in New England. However, Beaver quickly realizes he will miss his friends as they are all entering Mayfield High School next year. This puts Beaver in a delicate position, how to tell Aunt Martha he doesn't want to go without hurting her feelings.

Beaver has gotten a job as a caddy and is quickly running around the golf course chasing balls. However, all innocence is broken when one of the guys Beaver is caddying for cheats in order to win a bet. Soon, Beaver begins wrestling with his conscience over whether or not to tell anyone.

Beaver wants to join a record club and asks Ward for the money to join. Fed up with Beaver constantly asking for money, Ward decides to put him on an allowance. However, Beaver is so thrilled with his records he disreguards the bills for them and quickly finds himself swamped with records, a rising bill and not enough allowance to pay for everything.

After leaving the cap off the ink, Beaver is grounded to the house for a whole day after the ink ruined some of Ward's papers. However, Larry and Beaver sneak out to the movies and when Beaver wins a bike, he must find a way to keep it a secret from his parents.

Beaver and Gilbert go to a carnival and Beaver surprisingly wins a fourteen caret gold locket in one of the carnival games. Beaver thinks about giving it to June but thanks to Gilbert, Beaver decides to give it to a girl whom he has a crush on. However, soon it becomes apparant that this was a mistake when the girl's parents discover Beaver's gift.

Beaver finds himself in a most uncomfortable situation when Fred Rutherford practically plays matchmaker and pairs Beaver up with his daughter Violet. Fred organizes a picnic and invites the Cleavers which is where the situation culminates into Beaver getting kissed by Violet.

Constantly entering contests, Beaver's latest one has him selling raffle tickets in hopes of winning one of the prizes. Surprisingly, he does indeed win third prize and the prize is a $3,500 sports car. However, his dreams are dashed when Eddie's premonition comes true, Ward breaks the news that Beaver can't keep the car.

Beaver learns a girl he fights with is leaving town.

After graduation, an all-night party is set to begin, which has June and Ward very wary. They aren't sure if they should allow Wally to attend. Meanwhile, Wally's date for the party has the same problem. This leads her to invite Wally to meet her folks and put their worries to rest.

Eddie has been seeing one particular girl, Cindy Andrews and she wants to give Eddie a birthday gift, so she decides to knit a sweater. She uses Wally as a model and he begins spending so much time at Cindy's that he arouses the suspicions of Julie, Eddie, Lumpy, Beaver and his parents.

Wally's new girlfriend Carolyn can't go out to the movies on Saturday night because she has to watch her little sister Susan. Carolyn suggests that Beaver take Susan out to the movies and that they all double date. Not wanting to let Wally down, Beaver decides to go along, despite being nervous.

Eddie crawls through the Cleaver house spreading the news that he's going steady with Caroline Schuster, something that worries June who doesn't want Wally to get any ideas about going steady. However, Wally has other worries when he overhears Caroline saying that she's only using Eddie while her boyfriend is grounded. Leaving Wally with the decision to tell Eddie or not.

Wally's birthday has him deciding to have a birthday party but Beaver jumps to the conclusion that he won't be invited. While shopping for Wally's present, Larry talks Beaver into spending his money on a bow and arrow set for himself and buying a cheap gift for Wally.

Beaver gets a surprise when June invites Miss Landers over for dinner and Larry convinces him that something bad might happen. This leads Beaver to becomes a nervous wreck and tries to make sure his parents don't do anything to embarrass him. Meanwhile, Larry charges a quarter to anyone who wants to spy on Miss Landers eating dinner at the Cleavers.

Richard has just gotten, as Beaver describes it, a ""keen"" new jacket and this prompts Beaver to ask his parents for one exactly like it. June and Ward are hesitant after learning the price of one but decide to give in. However, when Richard loses his, he coerces Beaver into a plot to trick his parents.

Beaver making trades with his classmates is beginning to get on Ward and June's nerves since he seems to be the one who always walks away shorthanded. June especially thinks Beaver got the short stick in his latest trade, when he comes home with a pet rat.

While at a parent's meeting, June leans from Miss Landers that someone has been stealing in Beaver's class and so far, a baseball glove, a lunch box and a baseball cap were heisted. Later, June makes a shocking discovery, she finds the stolen items under Beaver's bed. This leaves June and Ward wondering if they're raising a thief.

Being Beaver's godmother, Aunt Martha sends him a gift of a ring that had once belonged to an uncle who was also named Theodore. June cautions Beaver that she doensn't want him taking it to school, but he sneaks off to school with it anyways. This leads to a confrontation between his peers that ends with him getting the ring stuck on his finger.

Beaver and Wally become interested in the stock market and Ward decides that they should try their hand at it. However, Wally and Beaver have different ideas about what to invest in compared to Ward who wants them to play it safe and invest in Mayfield Power and Electric, while they want to invest in a more risky venture.

Angry with his dad for taking his car keys away, Lumpy Rutherford decides to secretly join the Merchant Marine Corp and has the enlistment information sent to the Cleaver's address instead of his own. Trying to be a good friend, Wally hides the Corp literature in his room; but, when June finds it while cleaning, she's sure that a break-up with his girlfriend and a recent reprimand from Ward have made Wally unhappy enough to leave home.

Before leaving on a business trip, Ward asks Wally to look after June and Beaver and Wally does indeed. However, when Miss Landers hears Beaver swear at a bully, Beaver turns to Wally to handle the situation and be a ""substitute father.""

A pet fair at school has Beaver feeling left out since he doesn't have a pet, but he tells everyone he does, a parrot. Meanwhile, Ward tries to find a pet for Beaver and buys him a hamster.

Beaver has his fortune read by a machine and becomes convinced nothing but good luck is headed his way. However, he doesn't feel that way when Larry sets it up so that Beaver will have to fight a 5th grader, Sonny Cartwright.

Beaver becomes good friends with a classmate, Linda Dennison. However, their relationship is blown out of proportion by Beaver's classmates who begin to tease him and goad him into insulting Linda, to prove that she isn't his girl.

Ward takes June and the boys away on a trip to a cabin in hopes of experiencing the "great outdoors." However, he quickly discovers getting away from today's modern conveniences will be more difficult than he anticipated.

Now that Wally is 17, he feels it's about time that he get his drivers license. However, June and Ward are a bit apprehensive about the idea of Wally driving but Wally is persitant and finally gets his parents to agree to let him take a drivers class.

When Wally has a previous engagement and is unable to babysit, Beaver fills in and quickly finds himself the object of a 10-year old's affection.

Wally's latest girlfriend is Julie Foster who just happens to be the daughter of a Mr. Foster who teaches English. Meanwhile, at school, a new semester lands Wally in Mr. Foster's class and quickly finds himself feeling uncomfortable. Especially after Eddie tells him that his relationship with Julie will determine his grades.

Beaver decides to run for Junior Fire Chief and, to his surprise, wins. However, as soon as he's elected, Beaver lets the responsibilities go to his head and begins issuing citations to not only his family but his neighbors as well.

June, Ward and Wally are going out for the evening and not wanting to worry about Beaver, June calls a babysitter, despite Beaver's pleas against the idea.

Beaver and Wally make friends with the garbage man's kids, Chris and Pete. They quickly learn that they take for granted what they have. Simple things like just having a yard to play in leave Chris and Pete in awe.

Ward allows his car to be driven by Lumpy who must get Eddie, Wally and Beaver to a sporting event in a neighboring town. However, on the way back, Lumpy disobeys Ward's orders and takes a shortcut home.

Beaver agrees to help Richard cart his family's clothes down to the laundromat, however, half way there they discover that Richard has lost the three dollars his mother gave him. This leads him to ask Beaver if he could use the Cleaver washer. They soon find themselves in another jam when the washing machine overflows after Beaver put in too much soap and starch.

When Beaver and Gilbert are pretending to go for a drive in Ward's car, Beaver accidentally releases the parking brake, causing the car to roll down the driveway and into the street, backing up traffic. Wally steps in and drives the car back in the driveway and clears up the traffic mess, but he soon finds himself being issued a citation for driving without a license.

Larry and Beaver find themselves tardy for the third time this week and decide to skip altogether. However, they quickly find themselves being caught when they inadvertently walk on the set of a live TV show.

Eddie agrees to use his new credit card to buy a battery for Wally's car. After Wally pays him back, Eddie uses the cash to buy some clothes. When Eddie's father confronts him about the large bill, he lies and says that Wally didn't pay him back.

Beaver decides to join the basketball team but finds himself trying to live up to Wally's performance. However, after not making the team, Beaver allows his family to believe that he did.

Beaver has a crush on his teacher, Miss Canfield. When Judy, Whitey and Larry tease him for being a 'teacher's pet,' Beaver tries to prove them wrong and places a spring snake in her desk. However, Beaver has second thoughts and becomes determined to remove the snake before she finds it.

An incident at the park leads to Beaver ripping the pants on his gray flannel suit. When he's questioned by Ward and June he makes up a wild story that his parents quickly see through. Lectured in telling the truth, Beaver does just that when the pants of his other suit are ripped but Ward and June don't believe him.

Wally begins to outgrow his "sloppy" faze and becomes much neater. This is noticed by Ward and June who try to encourage Beaver to undergo the same transformation. However, Beaver changing like that just seems too extraordinary of a task.

Beaver has Gilbert over to spend the night but after they watch a gangster movie things get out of hand. A suspicious car has just pulled up to the front of the house with two strange characters sitting inside, and they just happen to be Lumpy and Bill, dressed for a masquerade party. Not knowing this, Beaver calls the police and Lumpy and Bill are arrested.

Wally and Beaver want to get brand new bike and they ask Ward for some money. He suggests that they earn the money. This leads Wally and Beaver to get a job delivering papers. Later, while trying to help the boys out, Ward and June inadvertently almost get Wally and Beaver fired.

Wanting to be liked by Wally's friends, Beaver makes up a wild story about the vacant lot next to his house being an Indian battle ground. After making a bet with Eddie, Beaver has Wally help him plant artifacts in the lot. However, that is forgotten when the kids make a discovery that they believe will make them rich.

An old friend of Wally's stops by with stories about how great it is at the military school he attends. This leads Wally to decide that he would like to attend military school, despite a wary Ward and June.

Wally and Beaver are helping Ward clean out the garage when they run across Beaver's old teddy bear, Billy. Beaver reluctantly throws him away after Ward and Wally tell him he's too old for dolls. However, Beaver changes his mind but he's too late, the garbage truck came, which leads Beaver to take drastic measures to get him back.

June and Ward allow Wally to escort Beaver on a bus to a friends house in Crystal Falls. However, on one of the stops, Beaver inadvertently gets on the wrong bus that takes him back to Mayfield.

Ward becomes a bit jealous when Wally and Beaver begin spending time playing basketball at Willie Dennison's house after Willie's dad put up a backboard and a basket. This prompts Ward to do the same thing but it just seems like things are working against him being the perfect father.

Beaver and his friends are all psyched to go on a camping trip with Gilbert's father as an escort. However, when Gilbert's father suddenly has to work and everyone is down in the dumps that is until Wally agrees to take them. Meanwhile, Eddie and Lumpy decide to secretly tag along and scare the boys with animal noises.

Beaver and his friends decide to make a call to California to talk to Don Drysdale and they agree to chip in on the cost of the call, assuming that it's only going to be a couple dollars. However, when they're put on hold, the cost quickly jumps up to $9.00.

When June goes on a trip to visit her sister, Peggy, June's Aunt Martha steps in and stays with Ward and the boys. Ward and the boys do their best not to hurt Martha's feelings, but Beaver has the hardest time when she buys him a suit, knee socks, a cap, and short pants and makes him wear the outfit to school.

Wally jumps at the chance to paint a couple of garbage cans for Ward, who offers 50 cents a piece. However, once Eddie tells Wally, that his father was charged $3.00 to have his painted, he becomes disinterested in the job which is when Beaver steps in and takes over the job.

After taking an IQ test, Beaver scores the highest in his class and Mrs. Rayburn suggests that it would be best if Beaver went to a special school where his abilities can be challenged. However, little does anyone know that everything is not as it seems.

While cleaning in the garage, Beaver and Wally come across an old typewriter. Beaver decides to fix it up and begin his own newspaper with Larry. However, Wally stands in his way by claiming the typewriter is his property.

A friend has a car for sale and Wally is interested, however, Ward and June are, as usual, hesitant about the whole thing. Ward decides to give in to Wally and allow him to buy the used car, with the condition that he inspect it first. Ward quickly finds problems with the car and he helps Wally look elsewhere giving Wally tips on the process of used car shopping.

A school dance has Eddie swooning over his so-called girl, Caroline. However, it's obvious Eddie has made up their relationship when Wally and him visit her and she instantly becomes smitten with Wally.

Beaver and Wally get jobs at the circus cleaning the animals and a promise to each be payed $10.00 at the end of the week. However, when the end of the week comes and there is no payment in sight, Beaver and Wally instead become the proud owners of a horse named Nicholas, and they hide him in the garage.

When the new girl, Gloria, tells Wally that he has a pug nose, he becomes incredibly self-conscious and purchases a contraption that is suppose to give him a strong Roman nose. When Ward discovers the device, he gives him a pep talk which just makes matters worse.

Eddie nominates Wally for class president and Wally has no interest in the position, that is until Ward gives him some encouragement. Wally quickly gets wrapped up in the election and his friends see a change in him, a change that prompts them to vote against him.

After drawing Alma's name for a school picnic, Wally finds himself meeting her parents and her mother takes an immediate like to Wally and begins setting him and Alma up on numerous dates then turns around and accuses Wally of monopolizing Alma's time.

While Beaver is staying at the Mondellos, Larry sneaks a peak at his sister's diary and his mother discovers him and yells at him right in front of Beaver. This prompts Larry to run away, to Beaver's house, who secretly hides him in his bathroom.

June runs across Beaver's old electric trains while cleaning and since he hasn't played with them in years, finds someone who will take them, with Beaver's consent. However, Beaver quickly re-discovers the fun he has with his old trains and wants to withdraw from the arrangement, even though, the new owners-to-be are expecting them.

After joining the dramatic club at school, Beaver is given the lead role in a play. However, after reading the script, Beaver discovers he must kiss a girl and wants out of the production.

Beaver sends his picture in to a modeling agency and they reply with a letter stating they will place his photo in a modeling directory. Soon after Beaver recieves another letter this time asking for $30 and when Beaver ignores it, the company threatens legal action.

Miss Landers assigns Beaver's class to write a short essay about the most interesting character they know. While Judy writes about her dad, Beaver debates over whom he should write about. Beaver finally decides to write about Ward, but Beaver isn't sure if Ward is interesting enough.

Wally goes away on a trip with the Boy Scout troop that he belongs to, leaving a lonesome Beaver behind. Finding his friends to be busy, Beaver takes up other means to make the time go by.

The local bully, Lumpy Rutherford, has been picking on Beaver and Wally and, thanks to a story Ward tells them, they decide to play a joke on Lumpy. However, their ploy catches the wrong person—Lumpy's father and Ward's co-worker Fred Rutherford, is caught in the trap.

After seeing someone being hypnotized in a movie, Beaver sets out to do the same but Eddie wants to play a trick on Beaver and pretends Beaver has hypnotized him and Beaver gets scared when Eddie doesn't snap out of the trance.

Beaver and Wally are all excited about going to the carnival, however, Aunt Martha throws a wrench in their plans when she makes an unexpected visit with a friend of hers, forcing Wally and Beaver to count the hours away, hoping she will leave soon enough so they can still go to the carnival.

Beaver is invited to Linda Dennison's birthday party and quickly discovers that he is the only boy that she invited. Fearing for his reputation, Beaver tries his best to get out of attending, but June and Ward are insistent, not aware of the situation Beaver's in.

After a week long visit with their Aunt Martha, Wally and Beaver prepare to head home to Mayfield on a train. After talking Martha into letting them buy their own tickets, they discover they're short the money after spending it on junk food and find themselves wondering how they are going to get home.

Ward tries to teach Wally and Beaver the importance of saving by giving them a piggy bank. The boys quickly save up a handful of change and are all ready to spend it on some baseball equipment. However, unknown to their parents, they change their minds and decide to spend the money on a most unselfish gift.

Ward helps Beaver and Wally build a miniature race car powered by a lawn mower motor and Ward makes the boys promise not to use it without him being with them. Later, Larry talks Beaver into taking it for a spin resulting in being pulled over by a traffic officer.

Wally and his friends build a clubhouse and Beaver wants to join. Although the dues are $1 for 8th graders, Beaver has to come up with $3 in order to join their club. How can Beaver earn the money?

Beaver wants a pet and when Ward and June object to his latest one, a mouse. They tell him they can have a sensible pet, so when Beaver and Larry see an ad at the market giving away a free monkey, Beaver jumps at the chance and Ward and June find their house the new home for Stanley, the Monkey.

For an upcoming dance, Wally is ready to wear a grey suit but when Beaver brings his new friend Richard over to the house, he accidentally spills oil on it, leaving a big stain. This leads Richard and Beaver to try to bleach the stain out with disastrous results. Beaver finds himself with another problem, when later, Eddie discovers what Beaver is hiding from Wally.

Seeing an ad for typewriters on sale, Beaver talks his parents into letting him get one as long as he learns how to use it. However, Beaver discovers learning to type is not as easy as it looks and soon finds himself making a deal with the shady Eddie Haskell.

Beaver makes a trade with Larry Mondello: a glass doorknob for a Chihuahua. Larry found the dog in his garbage can, so when Beaver brings it home, Ward immediately breaks the news that he's going to place an ad in the lost and found and that Beaver probably won't be able to keep the dog. Despite this, Beaver quickly begins to grow close to the little pooch.

Beaver and Larry become convinced that the Cooper house is haunted by a witch and Beaver and Larry are scared to death. So when June gets Beaver a job walking Mrs. Cooper's dog, Beaver's fear gets the best of him.

Wally gets an invitation to attend a cotillion with Mary Ellen Rogers. At first he wants to turn down the invitation, but then decides to go anyway, despite the fact that Mary Ellen has signed them up to do the cha-cha in a dance contest.

Beaver and Larry find a wallet that contains $89 while on their way to the grocery store to pick up some groceries for June. Surprisingly, Beaver and Larry decide to turn it in at the police station and Beaver finds himself waiting an agonizing week to see if he can keep the money.

Wally, Chester and Tooey are building their own boat and plan to sail on it, despite Ward and June's forbidding Wally. Once at the lake, Beaver is the only one small enough to get in it and once on the water, the boat tips over, leaving a soaked Beaver behind. However, it's trying to keep their afternoon of boating a secret from Ward and June that's really going to wipe Wally and Beaver out.

June has had it with Wally and Beaver's fighting and demands they make a pact to be nice to one another and do things together. However, when each boy gets an invitation for individual social outings, they each attempt to break the pact.

Beaver's teacher, Miss Canfield, sends a note home with Beaver and the other kids convince him that it's news that he's getting kicked out of school. Beaver and Wally take steps to hide the note from Ward and June.

A friend Beaver made at summer camp, Chopper, stays with the Cleavers for the weekend. Beaver is quickly introduced to Chopper's unusual life since he is the son of parents who have been married and divorced many times.

Ward and June find themselves in the dark when they hear through the grapevine that not only is Wally going steady with Evelyn Boothby but that wedding bells may be heard soon. Meanwhile, Wally gets a different picture of marital life through Evelyn's sister and her husband.

Wally makes the baseball team and Ward openly shows how proud he is of him, leaving Beaver feeling inferior. Trying to impress his parents, Beaver tries out for the band and begins practicing the clarinet. However, Beaver soon finds himself with more problems when he's let go from the band.

Wally and Beaver dread attending dance school, so when suddenly Wally takes a liking in it, June and Ward are dumbfounded. It seems Wally has developed a crush on a girl named Penny and Beaver soon feels neglected and left out when Wally begins spending all his time with her.

Wally finds himself smack dab in the middle of a lover's quarrel when a woman tries to make her estranged boyfriend jealous by continually making tennis dates with Wally. Wally finds himself in an awkward position when the boyfriend threatens him.

Wally becomes the chairman of the blind date committee for an upcoming dance. However, Wally quickly wants to resign from the position when he can't find anyone to go with the new girl, Jill Bartlett.

Beaver discovers that Ward was in WWII and brags to his classmates that Ward was a war hero. As usual, his classmates don't believe him and Beaver promises to bring in some mementos to prove it. At home, Beaver discovers that Ward was an engineer in the war and didn't actually fight in combat, leaving Beaver to take drastic measures so as not to look like a fool in front of his classmates.

After a weekend spent at the movies goes awry for Ward, he decides the boys should spend their weekends outside and plans a camping trip. However, when Ward's called into work, Wally and Beaver decide to camp out in the backyard.

An animal is chewing up June's flower bed, so Ward and the boys set a trap to catch it. They soon catch a white rabbit whom Beaver talks Ward and June into keeping. Beaver names him Henry only to later discover Henry is really a Henrietta and she's expecting.

After revealing that he wants to be a writer when he grows up, Ward buys Beaver a diary to practice writing and Beaver begins keeping a record of his daily activites. However, June and Ward pick the lock and sneak a peek at his diary after Beaver neglects to come home on time.

Beaver, Richard, Whitey and Alan each buy sweatshirts that have monster faces on the front of them. They like them so much they each decide to wear them to school the next day. However, each one finds that their parents forbid them from wearing such hideous sweatshirts to school. However, Beaver manages to sneak out of the house with his on.

After Ward's bragging about Wally and Beaver being responsible, Herb and Janet Wilson assume that it would be all right to leave their 4-year old daughter in Wally and Beaver's care while they go out to a party with Ward and June. Trouble begins when the youngster locks herself in the bathroom.

Wally begins combing his hair a new way, inspired by a fad started by Eddie that has swept his school. However, June and Ward are aghast at his hairdo and June becomes determined to get Wally to change his hairdo back to his normal style.

Ward makes an offer on a house located in a neighboring town and Beaver believes moving is going to be a sure thing. This leads him to tell all his classmates that he's moving, leading his classmates to throw him a goodbye party and give him going away presents. When the deal falls through, Beaver must tell his class that he won't be moving after all.

Beaver's class holds a ""Most Beautiful Baby"" contest and each student is supposed to bring in a baby picture. To make the deadline, June picks out a cute picture of Beaver at the last minute and sends it to Miss Landers, not realizing that the cute picture may cause Beaver embarrassment.

An old friend of Beaver's, David Manning, invites him to a birthday party and Beaver promises to attend, but as the week passes, Beaver forgets all about it. When the day arrives, June, Ward and Wally scramble to find the Beaver who is spending the day wandering around town with Larry.

While Beaver and Wally are fishing an abandoned canoe floats up and Beaver and Wally responsibly return it to the owner, whose name had been carved in the paddle. However, after telling his friends the story, they adjust it to make it sound as if Beaver had saved a girl from drowning.

After learning that he's going to be taking an I.Q. test, Beaver hits the books, scared after his friend tell him that if he doesn't pass, he will be sent to ""dumb"" school.

A communication gap ensues when Wally wants to spend the night at Lumpy's and Beaver wants to have Gilbert spend the night. Beaver asks June and she tells him, he can sometime when Wally spends the night somewhere and Wally asks Ward, who tells him he can sometime when Beaver has someone spend the night.

Wally and Beaver want to win a fancy film projector. In order to get it they have to sell 24 bottles of perfume. However, the appalling aroma of the perfume quickly leads to zero sales and has Ward trying to think up a sales gimmick.

An eighth grade dance has Wally being pressured into attending with a girl, instead of going stag with Eddie. However, Mary Ellen Rogers becomes determined to have Wally take her and goes through Beaver to get to him.

A lazy weekend leads Ward to direct Wally and Beaver to read a book, Tom Sawyer. The book influences them so much that they take on the job of painting the garage doors. However, they soon find the job to be awfully boring and messy. Chaos erupts when neighbor Benjie Bellamy stops by wanting to help.