Seasons & episodes

Mr. Wilson hires a housekeeper for Mrs. Wilson but soon regrets it when the housekeeper tries to tell Mr. Wilson what he can and can't do in his home. Mr. Wilson then tries to get rid of her.

A big shaggy dog followes Mr. Wilson home and Mr. Wilson tries to get rid of it.

Dennis does a documentary film of the town for a school project with Mr. Wilson's help.

Mr. 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.

Mr. Wilson attempts to start a fire like the pioneers did for Dennis' Junior Pathfinders club and nearly burns down the place.

Mr. Wilson buys a treasure chest at an auction thinking that it has buried treasure in it. Mr. Wilson later discovers a treasure map drawn by Dennis. Although Mr. Wilson thinks the map is authentic so he plans to take a trip to the island and dig for the treasure.

Dennis convinces Mr. Wilson to go to the Dentist for his tooth because Dennis thinks he can get a basketball from the Dentist until he learns that the Dentist only gives away prizes to child patients.

Mr. Wilson thinks his next door neighbor is the stocking bandit and tries to prove it.

Mr. Quigley coaches Dennis' baseball team with help from Sandy Koufax.

Dennis helps Mr. Wilson's Uncle Ned plant flower bulbs in his yard in order to get out of playing house with Margaret Wade.

George Wilson's brother John Wilson comes to visit, only he has trouble working without his old cushion.

Dennis and his friends win John Wilson a chicken, which John wants to cook for dinner and the children try to talk him out of it.

Dennis is all set for a big day. He is scheduled to have a fight with Gifford - the school bully.

Dennis wants to join an older boys club, but in order to do so he has to take an initiation.

The Neighborhood Community puts on a carnival in the park with different winning contests to participate in.

Mr. Wilson is doing a magazine article on voodoo, Dennis gets the wrong idea and tells the whole neighborhood that Mr. Wilson is a Witch Doctor, Soon the whole town gets the wrong idea about Mr. Wilson.

Mr. and Mrs. Wilson have a Chinese girl that is staying with them while Mr. Wilson is interviewing the girls father for a magazine article.

Dennis hears Mr.& Mrs. Wilson argue and spreads it around the Neighborhood and soon some of the neighbors think that the Wilson's have split up.

Dennis 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.

It's Children's Day in Court, and Dennis is the Judge! Mr Wilson goes to court to dispute a ticket he received for violating a city ordinance.

Dennis thinks that Mr. Wilson is broke so he tries tries to help him out.

Mr. Wilson gets mixed up with Gypsyes and they think he is one of them.

Dennis 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.

Mr. Wilson gets a chimpanzee from the San Diego zoo which causes chaos at the Motel that the Wilsons and the Mitchells are staying at.