Seasons & episodes

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.

Mr. Wilson becomes a cat catcher for the police department to try and enforce a cat leash law.

Dennis stays at the Wilson's house overnight while his parents are out of town which turns out to be a long night for everyone with different incidents.

Dennis and his friends decide to play Robin Hood and help Mr. Wilson(big John) when he is in trouble, only Dennis and his friends end up making things worse for Mr. Wilson.

Mr. Wilson disapproves of the way Dennis' school operates, So he writes his opinion to the newspaper and spends a day at school to observe.

Mr. 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.

Mr. Wilson takes in a stray dog he believes is worth a 100 dollar reward.

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.

Mr. 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.

Dennis has what he thinks is a lucky rabbit's foot, Mr. Wilson tricks Dennis into letting him borrow it because he thinks it will bring him good luck.

Mr. Wilson has a mockingbird in his yard which is keeping him awake every night, So he takes the birds nest out of the tree.

When Dennis takes his comic books over to show Mr. Wilson, Mr. Wilson writes an important phone number on one of the comics, So when Dennis leaves and takes his comic books Mr. Wilson spends all day looking for the comic book he wrote the phone number on.

Dennis wants to be a grown man for a day while his dad is out of town, So all day he does what he thinks his dad normally does.

When Mr. Wilson's Aunt Emma pays a visit she takes an instant liking to Dennis, causing Mr. Wilson to fear she will make Dennis her heir.