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.

Beaver and Wally send away for an alligator and they secretly keep it in the bathroom. When the alligator falls ill, the boys get some advice from Captain Jack, an owner of an alligator farm. However, keeping him a secret is going to be hard, the alligator is growing and they need a new place to keep him without June and Ward finding out.

Beaver comes home with a black eye and Ward is upset when he learns that Beaver didn't fight back. This leads Ward to teach Beaver how to defend himself. Little does Ward know that the person who punched Beaver is a girl, Violet Rutherford, the daughter of one of Ward's co-workers.

After losing his lunch money for three days in a row, Ward gives Beaver one last chance by letting him handle his haircut money. However, when he loses that too, Beaver decides to give himself a haircut just days before he's scheduled to be an angel in a play.

The Cleavers have new neighbors, the Donaldsons, and June sends Beaver over to welcome them with a vase of flowers. However, when Mrs. Donaldson thanks Beaver by kissing him on the cheek, Beaver becomes convinced that Mr. Donaldson will kill him because he let a married woman kiss him, and it's all thanks to Eddie Haskell, who planted that idea in Beaver's mind.

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.

Wally and his friends are trying to earn enough money to buy baseball uniforms. They put a plan into action by doing their chores at a slow pace in order to maximize their hourly pay. Meanwhile, Beaver, also wanting to be on the team, begins selling water to his family and neighbors.

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.

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?

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.

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 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.

June and Ward make Wally and Beaver promise that they won't go to the movies and see a scary movie. However, Wally and Beaver are talked into seeing it, thanks to Wally's so-called best friend, Eddie Haskell. The movie has quite an influence on Beaver, who makes a voodoo doll, names it Eddie Haskell, and sticks it with pins.

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.

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.

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.

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.

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.

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.

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.

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.

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 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.

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.

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.

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.

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.

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.

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.

June has Wally stay home from school when he comes down with a sore throat and suddenly Wally is emersed in attention from his parents, friends and doctor. Jealous and feeling left out, Beaver fakes illness, seeking that same attention.

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.

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.

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.

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.

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.

Larry gets Beaver into trouble when he goads Beaver into trying out Ward's drill and in the end there are two holes in the garage wall. Ward hits the roof and scolds Beaver who in turn decides to run away.

Beaver is all excited to have his friend, Larry Mondello, stay over for the weekend. However, things start off on the wrong foot when Beaver and Larry get into a fight ending with Beaver punching Larry in the stomach.

The neighbors are going away for the weekend and Beaver and Wally have been put in charge of taking care of their lawn and their cat, Puff Puff. When Eddie shows up with his dog, Wolf, chaos erupts and Wolf chases Puff Puff away.

Beaver comes to Ward for help on the night before a poetry assignment is due. This prompts Ward to totally take over the project and writes the whole poem himself. Things get complicated when Beaver wins an award for the poem and Ward is faced with explaining the truth to Beaver's principal.

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.

Ward must make a decision when a conflict develops concerning which son to spend the weekend with. He can either go on a fishing trip with Wally or take Beaver on a father-son weekend. Thinking Ward is going to go fishing with Wally, Beaver makes up a wild story when his classmates start to tease him.

Beaver makes a new friend in Chuey Varella but he only speaks Spanish. So Beaver asks Eddie, who has taken Spanish, for some help but Eddie plays a joke on Beaver by feeding him a sentence in Spanish which ultimately insults Chuey.

While watching Wally and his friends play baseball, Beaver is put in charge of looking after everyone's coats and watches. However, after the game is over Lumpy comes to claim his watch, but Beaver has no watch to give him.

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.

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.

When Eddie and some of his other friends brag about shaving, Wally decides it's time he try. After nicking his face, Ward tries to discourage him but this just leads Wally to continue to shave. When Ward catches him again, he scolds him right in front of Eddie which leads to Wally being made fun of.

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.

Wally needs a new suit for an upcoming dance and he convinces his parents that he's old enough to pick out his own clothes. So he and Beaver go down to the shop and pick out the loudest, cheapest plaid suit in the entire shop.

A school play has Beaver assigned the role of a canary. However, he doesn't seem to be graceful enough to fly around like a bird. To make matters worse, on the night of the play, Ward's words of encouragement lead to Beaver coming down with a case of stage fright.

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.

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.

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 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.

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.

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.

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.

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.

Wally wins a trophy at school and Beaver accidentally breaks it. This leads Ward to accuse Beaver of being jealous of Wally and that he broke it on purpose. Upset, Beaver decides to get new parents and heads to an adoption agency.

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.

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.

The Cleavers have new neighbors in the Gates family and Beaver befriends their son, Gilbert Gates (his last name was suddenly changed to Bates in a later episode). However, Ward, June and Wally quickly realize the obvious when Beaver comes home with all kinds of wild stories that Gilbert has told and that Beaver is convinced are true.

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.

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.

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.

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.

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.

Beaver sees an Eskimo sweater in a store window and becomes determined to get one. He finally convinces Ward and June to get him one, but the first day he wears it to school, he sees Judy Hensler wearing the same sweater.

Beaver spends the weekend at Larry's, but the first night there they get into a terrible argument and Beaver goes home angry. After Ward tells Beaver a story about Damon and Pythias, Beaver and Larry swear to die for each other. Larry then promptly demands that Beaver give him his homework to prove himself.

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.

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.

Beaver and Larry have been put in charge of the class cookie fund and are taking turns guarding the money. A new kid takes advantage of them and cons Beaver and Larry out of three dollars from the fund.

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.

After getting a poor grade in gym class on his report card, Beaver becomes determined to prove to everyone that he is a good athlete, so he signs up to play baseball where it's the boys versus the girls.

Larry invites Beaver to the carnival and tells him that his mother will treat him. However, when Mrs. Mondello refuses to give Larry money, Larry decides to find some. He throws some of his mother's money out the window and when Beaver comes over, Larry pretends as if he's found some money.

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 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.

Ward and June allow Wally to babysit Beaver one evening, while they attend a party. However, things go awry when Beaver gets ready to take a bath he accidentally lets the bathtub overflow causing the water to leak onto the bathroom floor and into the downstairs ceiling.

A new school year has the bus service being extended to those students living in town. However, after not even a week, Beaver gets suspended from riding the bus after getting into a fight.

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'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.

Ward saves an old pedometer from being thrown out and gives it to Beaver, but not before telling him a story about when he was a kid he would walk 20 miles a day. Taking the story literally, Beaver makes a bet with Whitey that he too can walk 20 miles in a day.

Larry and Beaver spend the day at lake which is where they encounter two kids who let them borrow their boat. However, little do Larry and Beaver know that the boat is stolen.

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.

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 wants to raise chinchillas and begins building a cage in the garage. However, when Beaver changes his mind, Ward tries his best to get Wally and Beaver the clean the mess up in the garage. Things get worse, when Ward unknowingly runs over some of the wood and nails that Beaver left laying around with the car, causing the boys to try to patch a flat tire before Ward finds out.

An upcoming test in history, Wally's weakest subject, has Wally studying all weekend and has Larry and Eddie coming up with a plan that will give them good grades on the test.

Ward allows Beaver to check out a book on his library card but when Beaver loses the book he becomes convinced that Ward will be put in jail, thanks to Eddie Haskell's wiseguy comments.

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.

Wally lends his school sweater to Frances and quickly finds getting it back is going to be difficult since the girl keeps making up excuses. Things reach a boiling point when Ward and June overhear Frances bragging to her friends how Wally is chasing after her.

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.

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.

Wally gets a job selling Igloo ice cream and quickly finds himself giving credit to everyone, including Eddie. However, as the day approaches that his money is to be collected, Wally scrambles to get those who owe him money, to pay up.