Dennis eludes his babysitter to go to the movie that his parents are seeing.

Dennis and Tommy replace a fallen street signpost but fail to notice they've put it up with the street names facing in the wrong direction.

Mr. Wilson and Dennis' father plan a secret early-morning fishing trip without Dennis, but he suspects something is afoot due to various clues they leave.

Dennis tries to fix up his Grandpa Perkins with Miss Cathcart and other ladies in the neighborhood.

Mr. Wilson thinks he has discovered a space satellite.

Dennis mistakes Mr. Wilson's dahlia bulbs for sweet potatoes, and, after his bedtime, he switches the sweet potatoes for dahlia bulbs.

Dennis helps Mr. Wilson sell a neighbor's house.

When Dennis and Tommy camp out in the backyard, Mr. Wilson suspects wild animals are going to attack them.

Dennis thinks his dad is broke, so he sells bottles in an attempt to make some extra money.

Dennis starts a rumor that he and his family are moving to New York in order to keep Mr. Wilson in town for an award he is due to receive.

Dennis goes crazy trying to find his gifts.

Dennis meets Whip Crawford, his cowboy idol, after Mrs. Webster tells Dennis that Whip will be in the community pageant.

Mr. Wilson becomes suspicious when he hears noises caused by Dennis and his friends who've set up their clubhouse in a crawl space underneath his house.

Mr. Wilson attempts to teach Dennis about bird-watching, and Dennis takes care of a sick bird.

Mr. Wilson purchases a rare coin for $250, but Mrs. Wilson, without realizing what it is, lets Dennis take if to use in a wishing well.

When his parents won't buy him a bicycle, Dennis attempts to get one on his own.

The Mitchells are having an open-house party and are worried that Dennis may, somehow, make trouble.

Dennis' duck causes problems in Mr. Wilson's garden, and Mr. Wilson warns Dennis to keep him out.

Henry tries to take Alice out for their anniversary. Meanwhile, Dennis tries to build a swing in his yard and ends up chasing a cat up a tree in the process.

Dennis cares for a dog named Charlie who wins a prize for his painting!

After being read Treasure Island, Dennis and Tommy become fascinated with buried treasure.

Dennis hears about Mr. Wilson getting a remote control for his television set and is fascinated.

Dennis asks a reporter to write a story about his dad with hopes of getting his picture in the paper.

Dennis and Tommy collect newspapers for a paper drive that will reward the boy who collects the most with a silver dollar.