Episode Guide

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​Season 1
S1, Ep1
Oct. 4, 1959 Dennis Goes to the Movies
Dennis sneaks out on his sitter to go to the movies where his parents are at and causes trouble at the Movie theater.

S1, Ep2
Oct. 11, 1959 Dennis and the Signpost
After a truck knocks over a street sign Dennis and Tommy put the street sign up again only not correctly. As a result, Mr. Wilson ends up getting a hole dug in his back yard for a swimming pool which was intended for the other address.

S1, Ep3
Oct. 18, 1959 The Fishing Trip
Henry and Mr. Wilson have a fishing trip planned and are trying to keep Dennis from finding out. Dennis however knows something is up when he sees a package delivered to the house that has fishing stuff in it and so it turns out to be a long night for Dennis as he won't rest until he finds out what's in the package. Eventually he figures it out and so Henry and Mr. Wilson end up taking Dennis along after all.

S1, Ep4
Oct. 25, 1959 Grandpa and Miss Cathcart
Dennis' Grandpa comes for a visit and Dennis introduces him to Miss Cathcart, the town spinster and she takes an interest in him and signs for him and pretty much makes his Grandpa feel miserable.

S1, Ep5
Nov. 1, 1959 Innocents in Space
Mr. Wilson gets a telescope and is convinced he spotted a missing satellite in space. What he actually spotted was a ping-pong ball that glows in the dark from Dennis' pop gun that Dennis was shooting in the air to win a contest from a kids TV show called Captain Blast.

S1, Ep6
Nov. 8, 1959 Dennis' Garden
Henry and Mr. Wilson decide to plant Dennis a flower garden of his own hoping to keep Dennis out of Mr. Wilson's flower garden, but what Dennis does is take the bulbs out of Mr. Wilson's garden and replace them with sweet potatoes and when Mr. Wilson sees the bulbs at Dennis' house he thinks they are Dennis' and he sticks them in Dennis' garden, but, Dennis and Mr. Wilson both win a blue ribbon though.

S1, Ep7
Nov. 15, 1959 The New Neighbors
Dennis tries to help Mr. Wilson's old neighbor sell his house by using his drum. Mr. Wilson, however, has different ideas, so he tries to talk a retired couple with no children into moving in next door, which almost works until Dennis and his friends come bursting into Mr. Wilson's house. So, what happens is the window repair man is moving in next door, and he has 4 kids, which is not what Mr. Wilson wanted at all.

S1, Ep8
Nov. 22, 1959 Tenting Tonight
Mr. Wilson comes back from vacation with a changed attitude, more free spirited and cheerful. However, that all changes when Dennis and Tommy camp out in the back yard because a friend of Henry and Alice have a record with wild animal sounds on it such as lions and have speakers in the patio turned up so Dennis and Tommy can pretend they are out in the jungle. Mr. Wilson hears the sounds of the animal roars and thinks that the wild animals are after the boys so he runs outside without his glasses on and carries his sword.

S1, Ep9
Nov. 29, 1959 Dennis Sells Bottles
Dennis thinks that his dad is in money trouble so he starts out selling bottles and before you know it everyone in town thinks that the Mitchell's really are in trouble with money.

S1, Ep10
Dec. 6, 1959 Mr. Wilson's Award
The Mitchell's start a rumor that they are moving to New York in order to keep Mr. Wilson in town to receive a plaque. However, things start getting a little out of hand once Dennis gets word of it as the whole neighborhood thinks the Mitchell's really are moving to New York.

S1, Ep11
Dec. 20, 1959 The Christmas Story
It's Christmas time and Dennis is going around the house looking for his presents. Henry and Alice think they have the perfect place to hide them, The Wilson's house in Mr. Wilson's closet which works for a while but eventually Dennis figures it out when he goes over to the Wilson's house and Mr. and Mrs. Wilson are over at his so Dennis opens the closet door and sees his gifts.

S1, Ep12
Dec. 27, 1959 Dennis and the Cowboy
Dennis gets to be in a play put on by Mrs. Webster that his favorite TV star Whip Crawford is in only Whip doesn't want to be in the play because he claims his feet hurt so he tries to dodge Mrs. Webster and everyone else. So, Dennis who doesn't give up does everything he can to get Whip Crawford in the play including going to his hotel room and talking to Whip Crawford himself which in the end works.

S1, Ep13
Jan. 3, 1960 Dennis Haunts a House
Dennis, Tommy and Stewart start a club house in Mr. Wilson's crawl space. After a fortune teller tells Mr. Wilson that he will hear from one of his late relatives, Mr. Wilson begins to believe that one of his late relatives has come back from the dead when he hears noises in the house that are caused by Dennis and his friends in his basement.

S1, Ep14
Jan. 10, 1960 Dennis' Tree House
Dennis has a tree house that hangs over Mr. Wilson's back yard. Mr. Wilson is not thrilled about it cause he thinks with Dennis up in the tree house will scare all the birds away so he tries to teach Dennis about bird watching which in the end turns out good when Dennis takes care of a sick bird and helps Mr. Wilson get an award from the state bird society.

S1, Ep15
Jan. 17, 1960 Dennis and the Rare Coin
Mr. Wilson pays $250.00 for a rare gold coin from a con artist that turns out to be a fake coin. The good news is that the coin gives Mr. Wilson a free wish when Dennis throws the coin in the fountain in the park, Mr. Wilson wishes that Dennis would go on vacation for a week and his wish comes true in the end when he learns that Dennis is going to his Grandpa's for a week.

S1, Ep16
Jan. 24, 1960 Dennis and the Bike
Dennis wants a bike so bike so bad that he will do almost anything to get one such as taking one away from another child, Trying to win one in a bean contest, riding Mr. Wilson's exercise bike. Finally in the end Henry takes Dennis shopping for a bike.

S1, Ep17
Feb. 7, 1960 Dennis and the Open House
The Mitchell's are having a open house party to entertain one of Henry's clients but people are having trouble finding the house, that is until Dennis finds an open house sign and puts in in the yard and soon the house is over run with people who think that the open house sign indicates the house is for sale.

S1, Ep18
Feb. 14, 1960 Dennis and the Duck
Mr. Wilson is plagued by a full-grown duck that Dennis adopted when its original owner moved away. At first Dennis hides the duck from his parents, but when Mr. Wilson complains about the damage caused to his garden and himself, Dennis reluctantly admits to having the duck. His father helps Dennis build an enclosure for the duck, but Mr. Wilson continues to have problems with Dennis' new pet -- and begins to scheme how to get rid of it even if Dennis and his parents won't.

S1, Ep19
Feb. 21, 1960 Dennis and the Swing
Dennis wants to put up a swing in his yard and ends up chasing a cat who Mr. Wilson is house sitting for a friend up a tree in the process. Meanwhile Henry tries to take Alice out for their anniversary which Henry completely forgot about. the ice cream man tries to get the cat out of the tree and ends up with his ice cream truck shut off so the ice cream man puts all of his ice cream in the Mitchell's ice box.

S1, Ep20
Feb. 28, 1960 Dennis and the Dog
Dennis takes care of a dog named Charlie who inadvertently wins a prize for a painting that Mr. Wilson painted after his tail brushed the painting.

S1, Ep21
Mar. 6, 1960 Mr. Wilson's Sister
After Dennis meets Mr. Wilson's sister Helen and she reads the book "Treasure Island" to him and his friends Dennis decides he wants to be a pirate and dig for buried treasure, So, Mr. Wilson draws a map of his yard for Dennis and his friends to find so they can dig for where Mr. Wilson wants to plant his flowers. When Dennis and the other boys start digging they find a treasure only it came off a costume bracelet of Alice's that Henry put there for the boys to find. But, when Mr. Wilson sees it he starts getting excited until he finds out that it isn't real treasure.

S1, Ep22
Mar. 13, 1960 Dennis and the TV Set
When Dennis is over at one of his friends he notices that his friend has his own TV set so Dennis is doing anything he can to convince his parents to buy him a TV set of his own, However when Henry and Alice both turn him down he has Mr. Wilson show him how to work his remote control which was a mistake cause then Dennis rents a remote of his own and ends up controlling Mr. Wilson's TV set from the guest room with the remote that he rented.

S1, Ep23
Mar. 20, 1960 Dennis Creates a Hero
Dennis wants his dad to be a hero so bad after Johnny Brady's dad always seems to get his picture in the paper for some heroic act. So Dennis tries to talk to the town reporter to put Henry's picture in the paper and make him a hero.

S1, Ep24
Apr. 10, 1960 Dennis' Paper Drive
Dennis and a bunch of other town boys are collecting papers for a charity and the prize for the boy who collects the most papers is a Silver dollar that's worth $600. When Mr. Wilson gets word of that he is determined to make sure that Dennis wins the prize so that he can get the silver dollar.

S1, Ep25
Apr. 17, 1960 Dennis and the Bees
To help the bees find honey Dennis sprays a fragrant smell on Mr. Wilson's camellias, Mr. Wilson of course gets carried away thinking he has developed a rare flower that will make him a fortune only to discover that the fragrant smell is from the Dennis spaying perfume on his flowers.

S1, Ep26
Apr. 24, 1960 Alice's Birthday
While Henry is out of town Dennis wants his mom to have a nice birthday with lots of presents. Mr. Wilson sends him down to Finch's drug store to shop for his mom. When he goes down to Finch's drug store he ends up causing chaos down there with Mr. Finch and to make matters worse he puts a sign on him advertising people to get his mom lots of birthday presents.

S1, Ep27
May 1, 1960 Dennis Becomes a Baby Sitter
Dennis and a boy that Mr. Wilson was responsible for are left without a babysitter after agreeing to let one sitter sit for the boys cause Mr. Wilson and Henry both end up canceling theirs.

S1, Ep28
May 8, 1960 Dennis and the Starlings
Mr. Wilson has a yard full of starlings that he desperately wants to get rid of so he hires a professional named Mr. Prince to do the job that has a record that will get rid of them. However, thanks to Dennis the record brakes so when Miss Cathcart starts singing the starlings start to fly away and to finish them off Dennis puts liver in Mr. Wilson's tree which eventually brings tons of cats.

S1, Ep29
May 15, 1960 The Party Line
There are new neighbors in town, the Driscoll's and their phone line is a shared party line with the Mitchell's which causes problems for both the Mitchell's and the Driscoll's.

S1, Ep30
May 22, 1960 Dennis by Proxy
After Dennis hears that the city is going to tear down Mr. Dorfman, the postman's bench Dennis, Tommy, Margaret and Stewart try to build him a new one but Dennis gets sick and has to stay in the house and watch the other 3 try to build the bench.

S1, Ep31
May 29, 1960 Dennis Runs Away
After Joey has to go home Dennis has no one to play with Henry is going golfing, Mr. Wilson is going bowling, Alice has a date to play bridge and his other friends aren't around So, Dennis decides he wants to go visit his Grandfather which is far away so when he asks Alice to take him to his Grandfather's and she can't Dennis decides to start walking there but, he doesn't get far as he ends up getting stopped by the police.

S1, Ep32
Jun. 12, 1960 Miss Cathcart's Sunsuit
Dennis and Tommy try and sell Valentine's day cards in July to buy swim fins. However, it isn't long before chaos hits the neighborhood as it causes problems for Miss Cathcart, Mr. Dorfman, Mr. Wilson and even the gardener Mr. Carlson. There also ends up being a run on Valentine's day cards in July. Mr. Wilson buys the rest of Dennis' cards hoping to avoid any more trouble but it ends up with Mr. Wilson in trouble with the police as they think he was the one responsible for all the trouble with the Valentine's day cards.





Season 2

S2, Ep1
Oct. 2, 1960 Out of Retirement
Mr. Wilson's former employers offer him an executive position at his old company, but it will require him to relocate to Pittsburgh, PA. Dennis doesn't want him to go, but when Mr. Wilson decides to take the job, Dennis blames himself and runs away from home.

S2, Ep2
Oct. 9, 1960 Dennis and the Wedding
Mr. Wilson is nervous about hosting his niece's upcoming wedding --especially since Dennis is going to be the ring bearer.

S2, Ep3
Oct. 16, 1960 Dennis and the Radio Set

S2, Ep4
Oct. 23, 1960 Dennis and the Ham-pher

S2, Ep5
Oct. 30, 1960 The Stock Certificate

S2, Ep6
Nov. 6, 1960 Man of the House
With his father away on a business trip and his mother sick in bed with a cold, Dennis has to be the "man of the house". This includes doing laundry with Margaret's help, and arranging a dinner party with his friends in connection with a sales pitch.

S2, Ep7
Nov. 13, 1960 The Rock Collection

S2, Ep8
Nov. 20, 1960 Henry and Togetherness

S2, Ep9
Nov. 27, 1960 Paint-Up, Clean-Up Week

S2, Ep10
Dec. 4, 1960 Dennis Learns to Whistle
Both Dennis and Mr. Wilson are ashamed that they have never learned to whistle, and try everything they can think of, including eating very sour cherries, to be able to do so.

S2, Ep11
Dec. 18, 1960 The Raffle Ticket

S2, Ep12
Dec. 25, 1960 The Christmas Horse
Dennis is sure that he's going to get a horse for Christmas, even though his parents repeatedly tell him that he isn't (and Mr. Wilson would be sure to object). Then Dennis hears that another boy in the neighborhood has gotten a pony -- and he heads there to claim it, certain that Santa must have delivered it to the wrong house.

S2, Ep13
Jan. 1, 1961 Dennis' Allowance

S2, Ep14
Jan. 8, 1961 Dennis' Penny Collection

S2, Ep15
Jan. 15, 1961 Dennis, the Campaign Manager

S2, Ep16
Jan. 22, 1961 Miss Cathcart's Friend
After hearing talk that Miss Cathcart could use a "best friend", Dennis adopts a lost dog from the pound for her. But when the dog's gentlemanly owner shows up at her door to claim the dog, Miss Cathcart thinks he is the "best friend" Dennis told her to expect.

S2, Ep17
Jan. 29, 1961 Pythias Was a Piker
To prove to Mrs. Elkins that he doesn't hate children, Mr. Wilson goes to great lengths to be kind to Dennis --and hopefully, he will be chosen as the subject of Dennis's publicly-read essay, "My Best Friend".

S2, Ep18
Feb. 5, 1961 Dennis and the Saxophone

S2, Ep19
Feb. 12, 1961 Wilson Sleeps Over
While their house is being fumigated, the Wilsons sleep over at the Mitchells'. When Dennis learns that Mr. Wilson has been known to walk in his sleep, he invites all his friends over to see it.

S2, Ep20
Feb. 19, 1961 Dennis' Birthday

S2, Ep21
Feb. 26, 1961 Dennis Goes to Camp
Mr. Wilson is eager for Dennis to go to summer camp. And when Henry is unexpectedly unable to take Dennis and several of Dennis's friends to visit the camp, Mr. Wilson is happy to step in, and takes them there up himself.

S2, Ep22
Mar. 5, 1961 Dennis' Tool Chest

S2, Ep23
Mar. 12, 1961 The Going Away Gift

S2, Ep24
Mar. 19, 1961 Dennis and the Fishing Rod

S2, Ep25
Mar. 26, 1961 Dennis and the Good Example

S2, Ep26
Apr. 2, 1961 Dennis' Obligation

S2, Ep27
Apr. 9, 1961 The Dog Trainer

S2, Ep28
Apr. 16, 1961 Woodman, Spare That Tree

S2, Ep29
Apr. 23, 1961 The Boy Wonder
Mr. Wilson's attempts to build a backyard barbecue are stymied by his teenage helper's playing loud music and by a search for Dennis's wandering pet turtle.

S2, Ep30
Apr. 30, 1961 The Soapbox Derby

S2, Ep31
May 7, 1961 Dennis and the Camera

S2, Ep32
May 14, 1961 Dennis and the Miracle Plant Food

S2, Ep33
May 21, 1961 Dennis' Newspaper
Dennis and Tommy have started their own newspaper, "The Mr. Wilson News", in which they write about Mr. Wilson's daily activities. But when they overhear him playfully telling Mrs. Wilson that he'd give $20 for a raccoon coat like the one he had in college, the boys tell Mr. Krinke, who in turn prints this information in the local newspaper. In no time, the Wilson household is overflowing with raccoon coats from sellers from all over town.

S2, Ep34
May 28, 1961 Mr. Wilson's Paradise
After helping Dennis research a school report about an island off the coast of Mexico --"the Isle of Happiness"-- Mr. Wilson decides he and his wife should spend a year there. But they quickly change their minds when they see how the schoolteacher who will rent their home while they're away plans to change the house; and then learn that their niece, Georgianna, is going to have a baby.

S2, Ep35
Jun. 4, 1961 The Fortune Cookie

S2, Ep36
Jun. 11, 1961 The Pioneers
Mr. Wilson, Dennis and his father try to prove they can survive three days in the wilderness, armed only with a knife, an ax, and a fishing rod - plus a tempting large basket of food, which is only supposed to be for Dennis.

S2, Ep37
Jun. 18, 1961 Father's Day for Mr. Wilson

S2, Ep38
Jun. 25, 1961 Dennis and the Picnic





Season 3

S3, Ep1
Oct. 1, 1961 Trouble from Mars

S3, Ep2
Oct. 8, 1961 Best Neighbor

S3, Ep3
Oct. 15, 1961 Keep off the Grass

S3, Ep4
Oct. 22, 1961 Mr. Wilson's Safe
Thanks to Dennis, Mr. Wilson forgets the combination to his new safe.

S3, Ep5
Oct. 29, 1961 Haunted House
George and Henry buy an investment property only to find out it's haunted.

S3, Ep6
Nov. 5, 1961 The School Play
Chaos ensues when Dennis handcuffs Mr. Wilson to Tommy while rehearsing a school play and there's no key.

S3, Ep7
Nov. 12, 1961 The Fifty-Thousandth Customer
With Mr. Finch offering a free 5-minute shopping spree for the 50,000th customer at his pharmacy, Mr. Wilson tries to calculate the exact moment that it will happen so that he can walk through the door and claim the prize.

S3, Ep8
Nov. 19, 1961 Dennis and the Pee Wee League
When Henry becomes sick, Mr. Wilson manages Dennis' Pee Wee League baseball team.

S3, Ep9
Nov. 26, 1961 Mr. Wilson's Inheritance
Mr. Wilson believes he's a millionaire when he inherits his aunt's estate.

S3, Ep10
Dec. 3, 1961 Dennis Is a Genius

S3, Ep11
Dec. 17, 1961 The Lucky Piece

S3, Ep12
Dec. 24, 1961 The Fifteen-Foot Christmas Tree
Dennis, Henry, and Mr. Wilson go out in search of the perfect Christmas tree to chop down. As problems arise, their quest turns into quite an odyssey.

S3, Ep13
Dec. 31, 1961 Dennis' Bank Account
After Mr. Wilson takes a temporary position at the bank, Dennis opens up a bank account and stops at the bank daily to check on his money and keep Mr. Wilson company.

S3, Ep14
Jan. 7, 1962 Through Thick and Thin

S3, Ep15
1962 Calling All Bird Lovers
Hoping to be selected as a delegate to a birdwatcher's convention, Mr. Wilson hosts the organization's meeting at his home. The program includes a special guest who does actual bird calls. However, after seeing a sign for the meeting in a music shop window, ("Remember the Bird"), two beatniks think the occasion is to honor a music legend, and they show up to turn it into a jazz program.

S3, Ep16
Jan. 21, 1962 Silence Is Golden
Mr. Wilson wagers his large magnifying glass, betting that Dennis can't refrain from talking to him for five straight hours.

S3, Ep17
Jan. 28, 1962 Dennis Has a Fling

S3, Ep18
Feb. 4, 1962 Frog Jumping Contest
With Mr. Wilson's help, Dennis enters his frog in a frog jumping contest.

S3, Ep19
Feb. 11, 1962 Where There's a Will
Mr. Wilson has a memorable birthday after he decides to leave Dennis his gold watch in his will.

S3, Ep20
Feb. 18, 1962 Mr. Wilson's Uncle

S3, Ep21
Feb. 25, 1962 A Quiet Evening
Mr. Wilson's plans for a quiet evening with his coin collection go awry when he unexpectedly has to babysit Dennis, Margaret, and Seymour.

S3, Ep22
Mar. 4, 1962 The Private Eye

S3, Ep23
Mar. 11, 1962 Mr. Wilson's Housekeeper
To help Martha, Mr. Wilson hires a housekeeper. But this backfires when the stern housekeeper won't let Mrs. Wilson do anything, and rearranges the kitchen cabinets to Mr. Wilson's dissatisfaction.

S3, Ep24
Mar. 18, 1962 A Dog's Life

S3, Ep25
Mar. 25, 1962 Dennis' Documentary Film

S3, Ep26
Apr. 1, 1962 Horseless Carriage Club

S3, Ep27
Apr. 8, 1962 Junior Pathfinders Ride Again

S3, Ep28
Apr. 15, 1962 The Treasure Chest

S3, Ep29
Apr. 29, 1962 Wilson Goes to the Dentist
Dennis, with a loose tooth, wants to visit a new dentist who gives presents to first-time patients. But when Dennis's tooth falls out before he can go to the dentist, he convinces Mr. Wilson to go in his place so Dennis can still get a present.

S3, Ep30
May 6, 1962 The Man Next Door

S3, Ep31
May 13, 1962 Dennis and the Dodger

S3, Ep32
May 20, 1962 Dennis' Lovesick Friend

S3, Ep33
May 27, 1962 John Wilson's Cushion
While Mr. Wilson is out-of-town, his brother, John, moves in with Mrs. Wilson.

S3, Ep34
Jun. 3, 1962 John Wilson Wins a Chicken

S3, Ep35
Jun. 10, 1962 The Bully

S3, Ep36
Jun. 17, 1962 The Club Initiation
When Dennis sets out to join a club, John Wilson begins to question his sanity.

S3, Ep37
Jun. 24, 1962 Community Picnic
John Wilson and Henry Mitchell compete in the games at the community picnic.

S3, Ep38
Jul. 1, 1962 Dennis and the Witch Doctor
John Wilson is writing an article about witch doctors. But some strange occurrences and odd accidents convince his new neighbors that he really is a witch doctor and is out to hex them.





Season 4

S4, Ep1
Sep. 30, 1962 The Chinese Girl
When Dennis becomes friendly with the Wilsons' house guest, a little Chinese girl, Margaret becomes jealous of Dennis's attention to the Wilsons' visitor.

S4, Ep2
Oct. 7, 1962 You Go Your Way
When Dennis overhears and repeats part of a conversation between John and Eloise in which they decide to no longer play cards together, rumors around the neighborhood begin to fly that the Wilsons are splitting up. With the belief that Mr. Wilson is now single, Miss Cathcart and Miss Tarbell compete for his affections with the help of Dennis.

S4, Ep3
Oct. 14, 1962 Dennis and the Circular Circumstances
With Dennis needing to earn a dollar to buy a toy laser gun but not being old enough for a job delivering circulars for Mrs. Elkins, Mr. Wilson pulls some strings to get Dennis the job (and also get him out of his hair). After quickly finishing the job, some damning evidence leads everyone to believe that Dennis took the money without doing the work.

S4, Ep4
Oct. 21, 1962 The Little Judge

S4, Ep5
Oct. 28, 1962 Poor Mr. Wilson
Believing that Mr. Wilson is broke, Dennis goes all out to help his friend. This includes buying groceries for the Wilsons and leaving them on their doorstep; and putting on a show with his friends, using the admission fees to make money for Mr. Wilson.

S4, Ep6
Nov. 4, 1962 Dennis in Gypsyland
Mr. Wilson wants to interview several gypsies for an article he's writing, but the gypsies are suspicious of outsiders. So he disguises himself as a gypsy in order to meet with them.

S4, Ep7
Nov. 11, 1962 The New Principal
Dennis makes a bad impression on the new school principal and as a result, is not allowed to pitch in the championship baseball game.

S4, Ep8
Nov. 18, 1962 San Diego Safari
Dennis, along with his parents and the Wilsons, visits the San Diego Zoo to bring back a chimpanzee for their town zoo. However, the chimp causes a ruckus at the motel where they are staying overnight.

S4, Ep9
Nov. 25, 1962 Dennis at Boot Camp
While still in San Diego, the Wilsons receive a visit from their nephew, Ted, a young sailor. When Dennis and Mr. Wilson get stuck in back of a laundry truck returning to the Naval base, their attempt to escape leads to the confusion of Mr. Wilson's being mistaken for an expected demolitions expert.

S4, Ep10
Dec. 2, 1962 Henry's New Job
Henry decides to leave his job at Trask Engineering, which means an overseas move for the family.

S4, Ep11
Dec. 16, 1962 Wilson's Second Childhood
To do research on an article he's writing about children's behavior, Mr. Wilson spends a strenuous day playing with Dennis and Dennis's friends.

S4, Ep12
Dec. 23, 1962 Jane Butterfield Says
John Wilson has taken over writing the advice column for the local paper. However, complications arise when he unwittingly gives advice to two women - Miss Cathcart and Miss Tarbell - who are out to catch the same man, Sergeant Mooney.

S4, Ep13
Dec. 30, 1962 Dennis and the Hermit

S4, Ep14
Jan. 6, 1963 My Uncle Ned
Mr. Wilson has written a book about his eccentric Uncle Ned. But Uncle Ned thinks the stories in the book are incorrect, and refuses to sign a release for it to be published.

S4, Ep15
Jan. 13, 1963 Junior Astronaut
Dennis and his classmates eagerly participate in a "Junior Astronaut" savings-stamp program. The child who buys the most stamps will win a trip to Cape Canaveral to meet an astronaut.

S4, Ep16
Jan. 20, 1963 Wilson's Little White Lie
John Wilson pretends to be sick in order to avoid Dennis. However, Dennis is seriously worried by Mr. Wilson's "illness", and spreads the word around town, leading to several concerned visitors.

S4, Ep17
Jan. 27, 1963 Dennis the Rainmaker

S4, Ep18
Feb. 3, 1963 The Creature with Big Feet

S4, Ep19
Feb. 10, 1963 Dennis, the Confused Cupid
Dennis is curious about what "falling in love" means. And the fights and reconciliations of three couples - his parents, the Wilsons, and a teenage couple - only makes him more confused.

S4, Ep20
Feb. 17, 1963 Dennis Goes to Washington
When Dennis is appointed by the mayor to go to Washington, DC to ask their state senator to make the local forest a national park, Mr. Wilson believes his own Washington contacts can help.

S4, Ep21
Feb. 24, 1963 The Big Basketball Game
Stretch Nichols, the school basketball team's star player, quits the team after being teased about his height and worn-out clothes one time too many. A sympathetic Dennis persuades Mr. Quigley to help by buying Stretch new clothes and giving him an after-school job, so that Stretch will feel better about himself and rejoin the team in time for the big game.

S4, Ep22
Mar. 3, 1963 Wilson's Allergy

S4, Ep23
Mar. 10, 1963 Baby Booties
When Dennis sees Mrs. Wilson knitting booties (for Mr. Wilson's golf clubs), he jumps to the conclusion that the Wilsons are about to have a baby, and innocently spreads the word all over town.

S4, Ep24
Mar. 17, 1963 My Four Boys
In order to claim a prize, Mr. Wilson must make good on his claim that he has four sons. So he recruits Dennis and three of Dennis's friends for the roles.

S4, Ep25
Mar. 24, 1963 Dennis and the Homing Pigeons

S4, Ep26
Mar. 31, 1963 A Tax on Cats

S4, Ep27
Apr. 7, 1963 The Uninvited Guest
While his parents are out of town, Dennis has to stay overnight at the Wilsons' house. John Wilson is not pleased about this. And the added complication of a burglar in the neighborhood is making him even more nervous.

S4, Ep28
Apr. 14, 1963 Dennis Plays Robin Hood

S4, Ep29
Apr. 21, 1963 The Three F's

S4, Ep30
Apr. 28, 1963 Never Say Dye

S4, Ep31
May 5, 1963 The Lost Dog

S4, Ep32
May 12, 1963 Tuxedo Trouble

S4, Ep33
May 19, 1963 Hawaiian Love Song

S4, Ep34
May 26, 1963 The Lucky Rabbit's Foot

S4, Ep35
Jun. 2, 1963 Listen to the Mockingbird

S4, Ep36
Jun. 9, 1963 First Editions

S4, Ep37
Jun. 16, 1963 A Man Among Men

S4, Ep38
Jul. 7, 1963 Aunt Emma Visits the Wilsons
Concerned that Eloise will be destitute if he should pass away suddenly, John Wilson hopes that his Aunt Emma will leave her money to him, so that he can in turn provide for Eloise. However, when Aunt Emma and Dennis become friends, Mr. Wilson fears that Dennis will inherit Aunt Emma's money instead.