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.

An old acquaintance of Ward's stops by and offers to paint the trim on the house. However, June and Ward are both apprehensive about the prospect of an alcoholic coming in contact with Wally and Beaver, despite the fact that he says he's cleaned himself up.

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.

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 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.

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.

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.

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.

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 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.

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.

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 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.

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.

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.

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.

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.

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.

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.

The last day of school has each one of Miss Landers' students bringing her a gift. June orders some nice hankerchiefs for for the gift and a slip for herself. Beaver mistakes the slip as the gift for Miss Landers' and debates on whether or not to give her this very ""personal"" gift.

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.

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.