Miss Canfield wants Beaver to play Smokey Bear in a school pageant and gives him a note to take home requesting parental permission.
Guests: Irving Bacon as Postal Clerk, Edgar Buchanan as Captain Jack, Connie Gilchrist as Minerva, Penny Carpenter as Neighborhood Girl.
"Captain Jack" was the first in production order and the intended premiere but was held up in the censors' office regarding scenes displaying a toilet.
Ward, thinking Beaver was beat up by a boy, decides his son should learn to defend himself and begins boxing lessons in the garage.
After Wally reveals to his dad that it was a co-worker's daughter that Beaver fought with, Ward and Fred Rutherford, Violet's father, set off in search of them to stop a rematch.
Angered by their deception, he plans on punishing the boys, but June tells him that Beaver was afraid to come to them after losing his money, so they have no one but themselves to blame.
Guests: Burt Mustin as Gus the Fireman, Buddy Hart as Chester Anderson, Herb Vigran as Stanley the Barber.
Beaver is left out when Ward and the other neighborhood dads offer to pay Wally and his friends for doing outdoor chores to help them buy baseball uniforms.
When the electric power is shut off, Beaver gives his earnings to the boys to buy candles which they then sell at exorbitant prices in the neighborhood.
Guests: Diane Brewster as Miss Canfield, Doris Packer as Mrs. Rayburn, William Fawcett as Mr. Johnson, Jeri Weil as Judy Hensler, Stanley Fafara as Whitey Whitney, Rusty Stevens as Larry Mondello.
When Penny calls and asks Wally over to her house, he tells her he can't because he has a commitment to take the Beaver fishing.
She buys Beaver an outdated outfit, consisting of an Eton jacket, short pants with suspenders, knee-length socks, a bow tie, and a cap, and she expects him to wear it to school.
The next morning, Beaver is once again dutifully wearing his outfit but Ward ambushes him at the garage and sneaks him into some regular clothes, promising to do the same thing for the remainder of Aunt Martha's visit.
Wally and Beaver send for a supply of "Flower of the Orient" perfume to sell door-to-door, planning to make enough money to win a movie projector.
Ward then secretly calls members of June's Women's Club and offers to reimburse the ladies if they will buy the perfume from the boys.
Ward sends Beaver to the Haskell house with a genuine voodoo curse remover that includes three hairs plucked from a small boy's head.
After Beaver takes an intelligence test at school, Miss Canfield informs Ward and June that he received the highest grade of all.
Having to listen to colleague "Corny" Cornelius brag about his children's academic excellence, Ward is thrilled to be able to return the favor.
When the girls want to play a kissing game called "post office", Beaver scoots off to another part of the house where Mr. Dennison entertains him with the antique gun collection in his den.
Ward refuses to give Wally and Beaver the close to $50 they need to buy a new bike, telling them a story about how people work for their money.
The boys' plans are changed when Herb and Janet Wilson, friends who are driving Ward and June to a wedding, bring along their daughter Puddin', since their babysitter canceled on them at the last minute.
Later, neighbors tell the Cleavers that firemen were at the house, but Ward and June decide to wait until the boys are ready to speak.
Ward is jealous when the boys want to play at the Dennison house all the time, so he installs a basketball hoop on the garage.
Beaver wants the bigger boys to notice him so he tells a fib about a real, live Indian fight that occurred across the street from the Cleaver house a hundred years ago.
Guests: Burt Mustin as Gus the Fireman, Ken Osmond as Eddie Haskell, Buddy Hart as Chester Anderson, Tiger Fafara as Tooey Brown.
Ward tells her the boys made the spots when they left their tent in the storm and carried their sleeping bags up to their bedroom.
Beaver takes clarinet lessons but performs poorly and fails to make the school band, but he pretends otherwise, to hide his humiliation from the family.
On the night of a school concert, Beaver plans to continue the charade to the last possible moment but the Cleavers have discovered his status and tell him something has come up so they must remain at home.
Wally is showered with attention and gifts from family and friends when he stays home from school sick with a sore throat and fever.
Gus tells Beaver to put talcum powder on the rabbits and the mother won't notice the human odor.