The third season of the American television situation comedy Leave It to Beaver premiered on October 3, 1959 and concluded on June 25, 1960. It consisted of 39 episodes shot in black-and-white, each running approximately 25 minutes in length.

Season 3 Episode 30 - Beaver Finds a Wallet

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. Air Date : 23rd-Apr-1960

Season 3 Episode 1 - Blind Date Committee

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. Air Date : 3rd-Oct-1959  Read More

Season 3 Episode 2 - Beaver Takes a Bath

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. Air Date : 10th-Oct-1959  Read More

Season 3 Episode 3 - School Bus

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. Air Date : 17th-Oct-1959  Read More

Season 3 Episode 4 - Beaver's Prize

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. Air Date : 24th-Oct-1959  Read More

Season 3 Episode 5 - Baby Picture

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. Air Date : 31st-Oct-1959  Read More

Season 3 Episode 6 - Beaver Takes a Walk

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. Air Date : 7th-Nov-1959  Read More

Season 3 Episode 7 - Borrowed Boat

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. Air Date : 14th-Nov-1959  Read More

Season 3 Episode 8 - Beaver's Tree

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. Air Date : 21st-Nov-1959  Read More

Season 3 Episode 9 - Teacher Comes to Dinner

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. Air Date : 28th-Nov-1959  Read More

Season 3 Episode 10 - Beaver's Fortune

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. Air Date : 5th-Dec-1959  Read More

Season 3 Episode 11 - Beaver Makes a Loan

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. Air Date : 12th-Dec-1959  Read More

Season 3 Episode 12 - Beaver the Magician

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. Air Date : 19th-Dec-1959  Read More

Season 3 Episode 13 - June's Birthday

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. Air Date : 26th-Dec-1959  Read More

Season 3 Episode 14 - Tire Trouble

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. Air Date : 2nd-Jan-1960  Read More

Season 3 Episode 15 - Larry Hides Out

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. Air Date : 9th-Jan-1960  Read More

Season 3 Episode 16 - Pet Fair

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. Air Date : 16th-Jan-1960  Read More

Season 3 Episode 17 - Wally's Test

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. Air Date : 23rd-Jan-1960  Read More

Season 3 Episode 18 - Beaver's Library Book

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. Air Date : 30th-Jan-1960  Read More

Season 3 Episode 19 - Wally's Election

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. Air Date : 6th-Feb-1960  Read More

Season 3 Episode 20 - Beaver and Andy

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. Air Date : 13th-Feb-1960  Read More

Season 3 Episode 21 - Beaver's Dance

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. Air Date : 20th-Feb-1960  Read More

Season 3 Episode 22 - Larry's Club

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. Air Date : 27th-Feb-1960  Read More

Season 3 Episode 23 - School Sweater

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. Air Date : 5th-Mar-1960  Read More

Season 3 Episode 24 - The Hypnotist

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. Air Date : 12th-Mar-1960  Read More

Season 3 Episode 25 - Wally and Alma

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. Air Date : 19th-Mar-1960  Read More

Season 3 Episode 26 - Beaver's Bike

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. Air Date : 26th-Mar-1960  Read More

Season 3 Episode 27 - Wally's Orchid

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. Air Date : 2nd-Apr-1960  Read More

Season 3 Episode 28 - Ward's Baseball

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. Air Date : 9th-Apr-1960  Read More

Season 3 Episode 29 - Beaver's Monkey

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. Air Date : 16th-Apr-1960  Read More

Season 3 Episode 30 - Beaver Finds a Wallet

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. Air Date : 23rd-Apr-1960  Read More

Season 3 Episode 31 - Mother's Day Composition

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. Air Date : 30th-Apr-1960  Read More