Episode 1
Out of Retirement
Oct 2, 1960
Mr. Wilson gets a visit from his former boss who offers him his job back in Pittsburgh. When Dennis thinks Mr. Wilson is moving to Pittsburgh, he runs away from home.
Episode 2
Dennis and the Wedding
Oct 9, 1960
Mr. Wilson's Niece is getting married and asks Dennis to be the ring bear.
Episode 3
Dennis and the Radio Set
Oct 16, 1960
Mr. Wilson gives Dennis an old radio set that he mistakenly bid for at an auction. However, When Dennis finds money in his radio set, Mr. Wilson gets excited. So him and Mitchell put in add in the paper hoping the real owner isn't around to claim it.
Episode 4
Dennis and the Ham-pher
Oct 23, 1960
Dennis gets what he thinks is a hampster which turns out to be a gopher that escapes from his cage and almost ruins Mr. Wilson's yard.
Episode 5
The Stock Certificate
Oct 30, 1960
Mr. Wilson has a stock certificate worth $500. He hides it in his Phone book, however when Dennis brings him in his new phone book Mr. Wilson goes crazy and ends up going to the warehouse where all the old phonebooks are taken to look for his old phone book because he thinks the stock is still in it.
Episode 6
Man of the House
Nov 6, 1960
Dennis tries to take care of his mom because she is sick and his dad is out of town.
Episode 7
The Rock Collection
Nov 13, 1960
Dennis starts a rock collection and ends up finding what he thinks is real gold on Mr. Wilson's lot
Episode 8
Henry and Togetherness
Nov 20, 1960
Mr. Wilson tricks Mr. Mitchell out of playing golf to spend more time with Dennis.
Episode 9
Paint-up, Clean-up Week
Nov 27, 1960
Dennis wants to help out for Paint-up, Clean-up week. So Mr. Wilson gives Dennis a bucket of red paint to paint his wagon with. Dennis however also decides to paint the street curve by Mr. Wilson's house and Mr. Wilson gets blamed for it.
Episode 10
Dennis Learns to Whistle
Dec 4, 1960
Dennis is very upset because he doesn't know how to whistle, So he spends all day trying to learn how.
Episode 11
The Raffle Ticket
Dec 18, 1960
Dennis gets an electric car for his mom from the lady who won the Raffle.
Episode 12
The Christmas Horse
Dec 25, 1960
Dennis is determined to get a horse for Christmas, So on Christmas day he goes around the neighborhood trying to find what he thinks is his horse.
Episode 13
Dennis' Allowance
Jan 1, 1961
Dennis is trying to learn about how to earn money by working. His dad eventually starts him on an allowance.
Episode 14
Dennis' Penny Collection
Jan 8, 1961
Mr. Wilson Helps Dennis start a penny collection, However Mr. Wilson fears that Dennis having a penny collection is going to be trouble to him.
Episode 15
Dennis, the Campaign Manager
Jan 15, 1961
Dennis convinces Mr. Wilson to run for park commissioner because the playgroung is closed except on weekends.
Episode 16
Miss Cathcart's Friend
Jan 22, 1961
Dennis attempts to find Miss. Cathcart a best friend, so he gets her a dog from the pound. However the dog's owner is looking for him and ends up showing up at Miss. Cathcart's house before Dennis brings the dog over to Miss. Cathcart. So she mistakenly thinks that the guy is the friend instead of the dog.
Episode 17
Pythias Was a Piker
Jan 29, 1961
Dennis writes a composition for school on his best friend and he chooses Mr. Wilson to write about.
Episode 18
Dennis and the Saxophone
Feb 5, 1961
Tommy has a saxophone that he doesn't want so Dennis wants to buy it from Tommy's Mother, but when Mr. Wilson learns that Dennis is going to ask his father to buy it for him Mr. Wilson tries to talk Dennis's dad out of getting the saxophone.
Episode 19
Wilson Sleeps Over
Feb 12, 1961
Dennis accidently knocks over a bottle which fumigates the Wilson's house, So the Wilson's stay the night at the Mitchell's and Mr. Wilson walks in his sleep.
Episode 20
Dennis' Birthday
Feb 19, 1961
Mr. Wilson puts on a magic show for Dennis' birthday and asks Spring Byington to be his assistant
Episode 21
Dennis Goes to Camp
Feb 26, 1961
Mr. Wilson takes Dennis and his friends to a camp to visit for a day and end up getting stranded there for a week because a bridge went out due to a storm.
Episode 22
Dennis' Tool Chest
Mar 5, 1961
Miss Cathcart's cat is accidentally locked in the trunk of Mr. Wilson's car.
Episode 23
The Going Away Gift
Mar 12, 1961
Dennis gets his mom a going away present and hides it on Mr. Wilson's closet shelf and Mrs. Wilson finds it and thinks it's a gift from Mr. Wilson.
Episode 24
Dennis and the Fishing Rod
Mar 19, 1961
Dennis attempts to buy a fishing rod for his dad and tries to purchase it with a $50.00 Confederate bill.
Episode 25
Dennis and the Good Example
Mar 26, 1961
Episode 26
Dennis' Obligation
Apr 2, 1961
Dennis brings home little chicken eggs to take care of for his school project, but ends up taking them over to Mr. Wilson's house because the Mitchell's electricity went out.
Episode 27
The Dog Trainer
Apr 9, 1961
Dennis trains Mr. Wilson's dog Fremont, which backfires when Fremont will only listen to Dennis and ignores Mr. Wilson.
Episode 28
Woodman, Spare That Tree
Apr 16, 1961
Mr. Wilson has a hundred doller bill which he drops and a crow picks it up and flies away with it. He later finds it in an old tree in a park which the park commissioner is going to cut down, So Mr. Wilson climbs the tree to get his hundred doller bill and to also save the tree from being cut down.
Episode 29
The Boy Wonder
Apr 23, 1961
Mr. Wilson builds a barbecue in his backyard with help from Dennis' friend, Fred Bains.
Episode 30
The Soapbox Derby
Apr 30, 1961
Dennis enters a soapbox derby and Mr. Wilson accidently ends up being the one driving it in the race.
Episode 31
Dennis and the Camera
May 7, 1961
Mr. Wilson is supposed to take a picture of a plant that bloomes at night but ends up dozing off when it bloomes, So Dennis takes the picture of the plant for him.
Episode 32
Dennis and the Miracle Plant Food
May 14, 1961
Dennis accidently steps on one of Mr. Wilson's plants and so he buys him a replacement and plants it in Mr. Wilson's flower bed. When Mr. Wilson sees it, he is convinced that his new miracle plant food that he invented works like a miracle.
Episode 33
Dennis' Newspaper
May 21, 1961
Dennis overhears Mr. Wilson saying that he wishes he had his racoon coat back, so he gives the story to the newspaper and so all day people are bringing Mr. Wilson racoon coats.
Episode 34
Mr. Wilson's Paradise
May 28, 1961
Mr. Wilson wants to go to Mexico to the Island of Happiness but changes his mind when he hears that his Neice is going to have a baby at the time when he was going to go.
Episode 35
The Fortune Cookie
Jun 4, 1961
Mr. Wilson gets a fortune cookie of which sais ""Beware Of Tomorrow"" and so he is convinced that the fortune will come true.
Episode 36
The Pioneers
Jun 11, 1961
Dennis, Mr. Wilson, Mr. Mitchell camp out as pioneers to prove to Mr. Krinkie that they can live of the land like the pioneers.
Episode 37
Father's Day for Mr. Wilson
Jun 18, 1961
Dennis decides to give Mr. Wilson his own father's day, Which in the end turns out for the best when Dennis gets Mr. Wilson out of a lawsuit concerning his dog, Fremont.
Episode 38
Dennis and the Picnic
Jun 25, 1961
Henry finds a bag of money in the rain gutter, So he calls Mr. Wilson and they take it to the police station. They later learn that the money is counterfeit.
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