Mr. Wilson hopes he'll be his aunt's heir, but she seems to favor Dennis.
Dennis and friends picket a bookstore that won't display Wilson's book.
Dennis and Mr. Wilson's plan to sell their comic books goes awry.
Mr. Wilson runs for the presidency of the bird-watcher's club.
Mr. Wilson buys a rabbit's foot from Dennis, but it brings him everything but luck.
Chaos reigns when there's a mix-up in plans for a Hawaiian vacation.
Dennis washes Wilson's tuxedo.
Wilson thinks there may be a reward for a stray.
Wilson plans a movie star's memoirs.
Mr. Wilson is enraged over an increase in school taxes.
Mr. Wilson gets arrested after Dennis' Robin Hood games go too far.
A phantom burglar's latest theft is described in the paper just before Henry leaves town.
Mr. Wilson becomes the city's cat catcher.
Dennis ties a message onto a homing pigeon, not realizing the paper contains Mr. Wilson's stock market information.
Mr. Wilson is in a jam when he wins a contest that's limited to parents.
Dennis mistakes Wilson's golf-club covers for baby booties.
Mr. Wilson sneezes any time Dennis is around.
Teased about his height, a boy quits the basketball team.
Dennis tries to convince senators to turn a mountain into a national forest.
Dennis plays matchmaker.
Mr. Wilson searches for the creature who's leaving behind big footprints.
Dennis does a rain dance to help his father avoid a golf date.
Mr. Wilson pretends he's sick just to get away from Dennis.
Dennis competes for a trip to Cape Canaveral.
Wilson's subject refuses to sign a release.
Dennis tells a story about an old hermit.
Wilson writes an advice column for the lovelorn.
Wilson uses Dennis and his pals as research subjects for a magazine article.
Henry is given a lucrative job offer in a foreign country.
Wilson and Dennis wind up in a naval march.
Wilson brings a chimp from San Diego to the town zoo.
Dennis may lose his chance to pitch in the big game.
To research an article, Wilson lives with gypsies.
The Mitchells believe that Mr. Wilson lost his money in the stock market.
Dennis serves as a judge in a trial in which Mr. Wilson is the defendant.
Distributor Dennis loses circulars.
Dennis jumps to conclusions when he hears the Wilsons arguing.
Dennis thinks a marriage has been arranged for him.
Trouble arises when Dennis is taught how to use a voodoo doll.
Henry's hand gets stuck in a pickle jar.
An initiation may bar Dennis from a club.
Dennis' shadowboxing abilities allow him to outsmart a bully.
Wilson causes an uproar when he wants to eat the chicken he won at Dennis' school.
Dennis is determined to cure Mr. Wilson's writer's block.
Dennis helps a friend who is having problems.
A store owner hopes to become the coach of Dennis' baseball team.
Mr. Wilson sets a trap for a bandit.
Dennis wants Mr. Wilson to go to the new dentist who hands out presents.
Dennis persuades Mr. Wilson to buy a treasure chest.
Disasters plague Mr. Wilson's attempt to join an exclusive club.
Mr. Wilson is torn between a contest drawing and an obligation to Dennis.
Dennis and Mr. Wilson make a documentary featuring the townspeople.
Mr. Wilson tries to get rid of a stray dog.
The Wilsons' housekeeper takes over.
Dennis turns into a private investigator when Mr. Wilson is pickpocketed.
Wilson plans a quiet evening with his coin collection.
Mr. Wilson's uncle, a fitness fanatic, attempts to get Henry and Wilson in shape.
Dennis tries to cheer up an ill Mr. Wilson.
Mr. Wilson bets on a frog jumping contest.
Mr. Wilson sets out to win the prize for the best performance in Dennis' play.
Mishaps arise when Dennis promises to remain silent.
Mr. Wilson's attempt to hold a bird lovers convention at his house ends on a dismal note.
Dennis promises to keep Mr. Wilson's secret to himself.
Dennis visits the bank every day to check on his account.
Mr. Wilson thinks the Mitchell's Christmas tree is too small.
Mr. Wilson regrets having sold his good-luck charm to Dennis.
An automatic testing machine deems Dennis a genius.
Mr. Wilson dreams of a luxurious life when he hears about his aunt's will.
Mr. Wilson helps Dennis' team.
Mr. Wilson tries to win a five-minute shopping spree.
Mr. Wilson helps Dennis with his school play.
Henry and Mr. Wilson think the house they bought as an investment is haunted.
Wilson forgets the combination to his safe.
Henry gets a ticket for stepping on grass.
Mr. Wilson sets out to prove he deserves the Good Citizen award.
Dennis' fascination with UFOs lands Mr. Wilson in an embarrassing situation.
Dennis learns an important lesson when Henry becomes a hero.
Dennis is determined to make Mr. Wilson's Father's Day a happy one.
Mr. Wilson tests the survival skills of Henry and Dennis in the forest.
Mr. Wilson's fortune cookie message leaves him wary about selling his coin collection.
Mr. Wilson faces a real dilemma after his Hawaiian vacation is canceled.
Dennis and Tommy decide to print a newspaper.
Mr. Wilson thinks he has miracle plant-food.
Dennis takes pictures of Mr. Wilson's night-blooming flowers.
Dennis wants to enter a soapbox derby.
Mr. Wilson tries to build a brick barbecue.
Mr. Wilson opposes cutting down an old tree.
Dennis trains Mr. Wilson's dog, Fremont.
Dennis cares for an incubator full of eggs.
Dennis sets a good example for Mrs. Wilson.
Dennis wants to buy his father a fishing rod.
Dennis buys his mother a going-away gift.
Miss Cathcart's cat gives Mr. Wilson headaches.
Mr. Wilson takes Dennis and friends to camp.
Dennis wants Mr. Wilson to perform magic tricks at his birthday party.
The Wilsons stay at the Mitchells' house while their home is being fumigated.
Dennis asks to have Tommy's saxophone.
Dennis picks Mr. Wilson as the subject for an essay about his best friend.
Dennis hears that Miss Cathcart needs a good friend.
Mr. Wilson wants to be park commissioner.
Dennis and Tommy go into business.
Dennis thinks the horse he wanted for Christmas was sent to another house.
Mr. Wilson hopes to win a car in a raffle.
Dennis admits to his friends that he can't whistle.
Mr. Wilson sets out to win first place in the cleanup drive week.
Dennis tries to stop a goldfish-tank leak.
Mr. Wilson hopes to get away from Dennis by holding a rock-collecting contest.
Alice and Dennis are in charge when Henry leaves on a business trip.
Dennis has Mr. Wilson's telephone book which has a $500 stock certificate inside.
Dennis' gopher wanders over to Mr. Wilson's backyard.
Dennis finds money in a radio set that Mr. Wilson gave him.
Dennis is underfoot during wedding preparations.
Wilson is asked to give up his retirement to run a company office in Pittsburgh.
Dennis plays matchmaker while trying to sell valentines.
Dennis is saddened when all his friends are too busy to play with him.
Dennis protests when he believes the city has been unfair to the postman.
The Mitchells' new neighbors share a phone line.
Dennis gets in the way of Mr. Wilson's plan to rid his garden of starlings.
Dennis winds up baby sitting.
Dennis decides to advertise Alice's birthday.
Dennis is afraid he will lose his pet bees.
Mr. Wilson helps Dennis with a newspaper drive.
Dennis tries to snap a newsworthy shot of Henry.
Dennis remotely switches on Mr. Wilson's TV set.
Mr. Wilson sets out to prove classic books for children are better than the modern ones.
Dennis' dog-sitting charge ruins a painting.
Dennis wants a backyard swing.
Dennis' snails and duck end up in Wilson's yard.
The Mitchells plan an open house to entertain a customer of Henry's firm.
Dennis' parents refuse to buy him a new scooter.
Alice and the other mothers set out to raise money for a playground.
A rare warbler moves into Dennis' treehouse.
Dennis puts his clubhouse in the Wilson cellar.
Dennis hopes to land a role in the village pageant.
Dennis' parents are sure they have a good hiding place for his presents.
Henry tries to get Mr. Wilson to a luncheon.
Dennis' thrifty ways lead the neighbors to believe the Mitchells are broke.
Mr. Wilson thinks circus animals have escaped.
Wilson wants a childless couple to move into the neighborhood.
Mr. Wilson wants to win a gardening prize.
Mr. Wilson believes he has discovered another satellite by using Dennis' telescope.
The widowed Grandpa Perkins visits but resists meeting eligible women.
Henry wants to go fishing without Dennis.
Dennis switches a signpost and causes chaos.
Dennis eludes a baby sitter to go to a movie.