Mr. Wilson hangs out and plays with Dennis and his friends the whole day to gather information for a magazine article of what young children do in this day and age.
Watch Now:AmazonMr. Wilson tells Dennis he isn't feeling well to get Dennis to leave him alone and then Dennis tells the whole neighborhood, So they all think that Mr. Wilson is very sick.
Watch Now:AmazonDennis is appointed by the Mayor to go to Washington and ask the Senater to pass a bill for a national Forest.
Watch Now:AmazonMr. Wilson's Uncle comes to visit him and convinces him that he isn't in shape, so he starts a physical fitness program and forces Mr. Mitchell and Mr. Wilson to be in it.
Watch Now:AmazonDennis gets a job for a day delivering Circulars for Mrs. Elkins. But, When he swaps territories with another kid, he gets blamed for throwing the circulars in a trash can.
Watch Now:AmazonDennis gets a new Principal, Mr. Spivey who is very strict at his school. Mr. Spivey and Dennis get off on the wrong foot at first However, Johnny Brady takes note of that and because he wants to be on the pitcher on the school baseball team. So, he sets Dennis up by drawling a picture on the back of his paper making fun Mr. Spivey's height. When Mr. Spivey finds it he naturally assumes Dennis is the one that drew it so he punishes Dennis by kicking him off the baseball team and keeping him after school. As the news travels Mr. Wilson, Mr. Quigley and Mr. Finch all go to the school a few minutes apart and talk to Mr. Spivey each claiming to be Henry Mitchell to stand up for Dennis. Mr. Spivey gets confused but soon realizes he misjudged Dennis and ends up apologizing and putting Dennis back on the school baseball team.
Watch Now:AmazonWally's birthday has him deciding to have a birthday party but Beaver jumps to the conclusion that he won't be invited. While shopping for Wally's present, Larry talks Beaver into spending his money on a bow and arrow set for himself and buying a cheap gift for Wally.
Uncle Joe tries to make the Shady Rest into a honeymoon hotel.
Watch Now:AmazonMr. Wilson gets his wallet taken by a pick pocket, So Dennis and Tommy try to find the crook for the police.
Watch Now:AmazonDennis does a documentary film of the town for a school project with Mr. Wilson's help.
Watch Now:AmazonMr. Wilson takes Dennis and his friends up to the lake and back in an old car. Mr. Wilson then gets elected president of the Horseless Carriage Club.
Watch Now:AmazonDennis helps Mr. Wilson's Uncle Ned plant flower bulbs in his yard in order to get out of playing house with Margaret Wade.
Watch Now:AmazonDennis wants to join an older boys club, but in order to do so he has to take an initiation.
Watch Now:AmazonMr. Wilson is planning to take Mrs. Wilson to Hawaii. But when Mr. Wilson has the plane tickets mailed to the Mitchell's, Alice thinks Henry is taking her to Hawaii.
Watch Now:AmazonGomez is juggling with his Indian clubs and hits himself on the head knocking himself unconscious. When he comes to, his personality has drastically changed.
Watch Now:AmazoniTunesVisiting dignitaries from an Iron Curtain country want to see a ""typical"" American family. Mr. Harris, the Government agent, is resistant to the idea. Mr. Haan insists, so they get out the phone book and randomly select a name. They land on the Addams listing.
Watch Now:AmazoniTunesKAOS's League of Impersonators are serving as duplicates for CONTROL agents, trying to steal the plans for a warhead and wreak havoc at CONTROL. After the real Max kidnapped and is replaced by an impostor, he manages to escape and a committee has to determine which is the real Max!
Watch Now:AmazoniTunesLionel Barker, an old friend of Morticia' s, arrives at the house and Gomez is jealous of him.
Watch Now:iTunesDennis opens a bank account at the bank of where Mr. Wilson works at and causes a lot of chaos at the bank.
Watch Now:AmazonMr. Wilson attempts to dye his hair in order to look younger for an actress he is interviewing for her life story. However, the dye made his hair look worse and so he cons Henry into taking his place which end in a bunch of tangled webs.
Watch Now:AmazonGomez and Pugsley visit an old friend of the family, who owns a circus. There, Pugsley befriends Gorgo the Gorilla who later escapes and follows Pugsley home. Meanwhile, Morticia has hopes of joining the Ladies League.
Watch Now:AmazoniTunesIt was a dark and stormy Halloween night when Gomez recieves a new carving knife in the mail.
Watch Now:AmazoniTunesDennis, Henry and Mr. Wilson go out in the woods and cut down a big Christmas tree which ends up getting almost destroyed by the time they get it home.
Watch Now:AmazonThe school test scores mistake Dennis as a genius.
Dennis attempts to buy a fishing rod for his dad and tries to purchase it with a $50.00 Confederate bill.
George becomes convinced that the new handyman the Johnsons have hired is a thief.
Hazel wants a raise and does her best to try to convince George that she deserves one.
Hazel adamantly refuses to entertain George's suggestion that she get a pair of glasses.
Dennis accidentally ties an important note that belongs to Mr. Wilson on a pigeon, so Mr. Wilson, Henry, Tommy and Dennis go to where the pigeons roost at night at a spooky house to try and get the note back and end up in the middle of a collage fraternity initiation meant for new fraternity members. After a bunch of twists and turns they find the pigeon with the note tied on it.
Dennis and his friends start up a laundry business and clean Mr. Wilson's tuxedo, only Dennis gets Mr. Wilson's tuxedo mixed up with other peoples.
After Mr. Griffin buys the local dairy, George has to fire Hazel's friend, the Baxter's milkman.
The Governor is scheduled to visit the Baxter home for lunch while student protesters decide to stakeout the home awaiting his arrival.
George is fed up with Hazel always snooping in his business and Hazel is fed up with him snooping in hers, they each make a promise to just mind their own business.
Mr. Wilson accidentlly gets a space helmet that belongs to Dennis stuck on his head.
Mr. Wilson tricks Dennis into taking a silver coin that says GOOD LUCK and a horseshoe on it instead of 50 cents that he owes him for cutting his lawn. Mrs. Wilson is very angry with him about it. So, she and Alice start a scheme of their own by making lucky things happen to Dennis all day. Mr. Wilson soon starts to believe that the coin was lucky after all and is sorry he ever let it go. He then realizes that it was all a charade to teach him a lesson.
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.
Dennis overhears Mr. Wilson saying that he wishes he had his raccoon coat back. Dennis gives the story to the newspaper and, as a result, all day, people bring Mr. Wilson raccoon coats.
Mr. Wilson wants to represent Scotland for Dennis' School
Dennis becomes confused about love when he hears his parents and Mr.& Mrs. Wilson argue with one another.