Wally and Beaver want a new bicycle. Frankie Bennett, a mischievous boy, tells them new bikes can be had a local dairy in exchange for 1,000 bottle caps from the company's products. The boys collect the bottle caps, but, in attempting to redeem them, learn they've been duped. Ward takes pity on the boys and buys them a bicycle.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
A school play has Beaver and his classmates be assigned parts and Beaver is 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, 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.
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.
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.
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 plans to attend a party with Eddie, but that morning he finds that Beaver has hung his jacket, pockets stuffed with minnows, in the closet next to his suit. June has the suit dry-cleaned, but when Beaver and his friend accidentally spill oil on it, Wally may not have anything to wear to the party.
Cast members Jerry Mathers, Tony Dow and Barbara Billingsley, as well as renowned collector and co-creator of "The New Leave It To Beaver," Brian Levant reflect on the quintessential American family sitcom.
Cast members Ken Osmond and Frank Bank reunite to look back at their adventures on the set of Leave It To Beaver and beyond.
A conversation with composer Dave Kahn.
This is a specially produced episode of Leave It to Beaver (public domain) in concert with US Revenue Service,
This movie reunites most of the members of the Cleaver clan, Wally, June, and of course, the Beaver. Their father Ward has passed away. Wally's married to Mary Ellen and a successful lawyer and has everything to make his life complete except for a child. The Beaver is married but unfortunately is still the same which is why his wife threw him out. With nowhere else to go, he goes home. And he also decides that he wants to raise his children, in his hometown of Mayfield. His wife, who decides that she hasn't done anything in her life, decides to become a veterinarian, but she can only go to school out of the country, so she let's Beaver have the children. So he brings his sons there and they are not exactly impressed with Mayfield and feel that they were dumped there, and bond more with Wally than with their own father. They also have to deal with Eddie Haskell, who has gone from nasty to crooked. It's a good thing they still have their mom.