Dennis attempts to buy a fishing rod for his dad and tries to purchase it with a $50.00 Confederate bill.

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.

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.

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.

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.

The school test scores mistake Dennis as a genius.

Dennis is put on the spot when he askes both Mr. Wilson and Mr. Mactavish to represent Scotland in his school project.

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