Story Structure — 5 Plot Phases
Neighborhood Mischief Begins
Dennis's accidents immediately disrupt George's quiet routine. Meanwhile, Switchblade Sam arrives and begins a separate criminal campaign in town.
Key Events
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Aspirin Slingshot — Dennis mistakes George's feigned sleep for illness and shoots an aspirin into his mouth. Characters: Dennis Mitchell, George Wilson
Location: George's house
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Treehouse Repairs — Dennis helps fix an abandoned treehouse in the woods before danger arrives in town. Characters: Dennis Mitchell
Location: Abandoned treehouse
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Sam Reaches Town — Itinerant bandit Switchblade Sam arrives and begins targeting the town. Characters: Switchblade Sam
Location: Town
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Paint Hits Grill — Dennis accidentally shoots spilled paint onto George's grill, making George suspect him. Characters: Dennis Mitchell, George Wilson
Location: Mitchells' garage
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Doorbell Trap — Dennis rings the doorbell and hides; Mickey responds by attaching a thumbtack to it. Characters: Dennis Mitchell, Mickey
Location: Mitchells' house
George's Patience Unravels
Dennis's pranks expand from household objects to George's dentures, medicines, dog, and attic. George becomes increasingly frustrated while Sam continues robbing the town.
Key Events
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Vacuum Accident — George investigates the vacuum and accidentally shoots himself with a golf ball. Characters: George Wilson
Location: Mitchells' garage
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Flour And Water Ambush — George pricks his thumb and is mistaken for the prankster, so he is doused with water and flour. Characters: George Wilson, Mickey
Location: Mitchells' house
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Dentures And Chiclets — Dennis plays with George's dentures, loses two incisors, and replaces them with Chiclets. Characters: Dennis Mitchell, George Wilson
Location: Wilson residence
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Dangerous Medicine Swap — Dennis replaces George's nasal spray with mouthwash and substitutes toilet cleanser for another liquid. Characters: Dennis Mitchell, George Wilson
Location: Wilson residence
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Ruff Enters House — Dennis lets Ruff into the Wilsons' house, where George mistakes the dog for someone else. Characters: Dennis Mitchell, George Wilson
Location: Wilson residence
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Attic Mothball Slip — Dennis's carelessness causes George to slip on mothballs in the attic. Characters: Dennis Mitchell, George Wilson
Location: Wilson attic
The Ruined Floraganza
George prepares for the rare orchid's important bloom, but Dennis overturns the dessert table. Sam steals the coin collection, and Dennis's warning unintentionally causes the orchid to be missed.
Key Events
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Orchid Celebration — George prepares to host the Summer Floraganza for his rare orchid's long-awaited bloom. Characters: George Wilson
Location: Wilson garden
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Dessert Table Collapse — Dennis presses the garage button, opening the door and overturning the entire dessert table. Characters: Dennis Mitchell, George Wilson
Location: Wilson garden
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Coin Collection Stolen — While guests await the orchid's display, Sam robs the house and steals George's antique coins. Characters: Switchblade Sam, George Wilson
Location: Wilson house
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The Orchid Dies — Dennis alerts George about the empty safe, distracting everyone until the orchid briefly blooms and dies. Characters: Dennis Mitchell, George Wilson
Location: Wilson garden
Hostage In The Woods
George's angry response drives Dennis into the woods, where Sam captures him. The neighborhood organizes a search as George realizes Dennis was telling the truth about the robbery.
Key Events
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Dennis Flees Woods — After George chastises him, Dennis flees to the woods and is caught by Sam. Characters: Dennis Mitchell, George Wilson, Switchblade Sam
Location: Woods
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Townwide Search — Dennis's disappearance triggers a town-wide search, and George joins after realizing Dennis told the truth. Characters: Dennis Mitchell, George Wilson
Location: Neighborhood
The Accidental Rescue
Dennis reverses the hostage situation through improvised tricks and discovers the stolen coins. Sam is caught, Dennis returns home, and George reconciles with him.
Key Events
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Hostage Turns Tables — Dennis learns Sam's knot technique, handcuffs him, loses the key, and accidentally bludgeons him. Characters: Dennis Mitchell, Switchblade Sam
Location: Sam's hiding place
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Train Rope Escape — Sam tries to stab Dennis but is snared by a rope caught on a passing train. Characters: Dennis Mitchell, Switchblade Sam
Location: Railway crossing
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Sam Returned Home — Dennis returns with Sam and George's coins; Sam is arrested after another attempted stabbing. Characters: Dennis Mitchell, George Wilson, Switchblade Sam
Location: Neighborhood
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George Offers Babysitting — Dennis and George make amends, and George offers to watch Dennis despite another flaming marshmallow mishap. Characters: Dennis Mitchell, George Wilson
Location: Mitchells' home
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Copy Machine Mishap — During the closing credits, Dennis gets Andrea caught in the office copy machine. Characters: Dennis Mitchell, Andrea
Location: Office
Mr. Wilson's ever-present annoyance comes in the form of one mischievous kid named Dennis. But he'll need Dennis's tricks to uncover a collection of gold coins that go missing when a shady drifter named Switchblade Sam comes to town.