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 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.

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.

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 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.

While playing baseball in the street with Wally, Chester and Tooey, Eddie hits a baseball through the Cleaver's window resulting in Ward forbidding the boys to play baseball so close to the house. However, later, Beaver talks Wally into pitching one, but this results in a broken car window.

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 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.

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.

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.

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.

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.

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.

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.

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.

Beaver, Larry, and Whitey begin a pigeon club and they each purchase pigeons of their own. Beaver names his two Miss Canfield and Miss Landers, after his two teachers. However, when Beaver comes down with chicken pox, Wally is forced into caring for them, but soon finds Beaver isn't the only one ill - Miss Canfield and Miss Landers are also ailing.

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.

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.

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.

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.

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.

Inspired after teacher Miss Landers reads a poem to his class about trees, Beaver worries about the tree that Ward planted for him on his birthday in the old neighborhood and decides to bring it to the Cleaver's new yard.

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.

Ward loans Beaver 25 cents but gives him a dollar, expecting 75 cents as change. However, Larry manages to convince Beaver to loan him the 75 cents and when Larry doesn't pay him back, when he said he was going to, a feud erupts.

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.

June's birthday has Wally and Beaver fighting over what to buy with the five dollars that Ward gave them. Wally buys her a wallet while Beaver buys an ugly blouse that June kindly thanks him for, but she has a hard time bringing herself to wear it.

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.

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.

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.

Both Beaver and Larry are forced into attending dancing school by their parents and after one lesson, they find that they absolutly detest it, like they knew they would. This prompts them to skip class next time and they hide out behind a barn until it's time to go home.

Larry is furious when Beaver leaves him out when he joins a club called the Bloody Five. To get revenge, Larry makes up a story that he is starting his own club and that people are waiting in line to join. This prompts Beaver to resign from the Bloody Five and he tries to join Larry's bogus club.

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 asks his parents if he could ride his new bike to school instead of ride the bus, and after some hesitating they finally agree to it. However, on the first day, a naive Beaver gets his bike stolen.

Wally asks out a rich girl who drops hints that she would like an orchid for her corsage. Wally quickly discovers that getting one is going to be more difficult then he originally thought.

Ward's cherished autographed baseball becomes the object that Larry and Beaver just can't keep their hand off of. They decide to play catch with it and it ends up getting run over by a truck.

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.

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.

Beaver must write a composition about his mother but soon finds himself the only one with a seemingly ""boring"" mother while Richard, Larry and Judy have colorful mothers. Beaver decides to make his mother colorful too even if it means making up things.

When Clarence gets fed up with Beaver calling him Lumpy, he gives Beaver a new nickname of Freckles. This leads Beaver to become self-concious about his freckles and takes steps to try to remove them.

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.

While cleaning, June runs across an old family scrapbook and gathers the family together to reminisce about the past six years. The Cleavers recall scenes from previous episodes including: Beaver Gets 'Spelled, New Neighbors, My Brother's Girl, The Shave, Beaver Runs Away, Larry Hides Out, Teacher Comes to Dinner, and Wally's Election.