Season 1 (1986)
6.34 avg 65 episodes 6.6 → 5.9 22 min avg
| # | Title | Rating | Votes |
|---|---|---|---|
| 1 | So Long, Old Paint/Trembly Assembly/Private I | 6.6 | 34 |
| 2 | A Visitor from Outer Space/Train That Boy/Genie Madness | 7.0 | 32 |
| 3 | Cheer Up/Ghostblusters/The Life You Save | 6.9 | 27 |
| 4 | Shark Treatment/Jungle Bungle/Racetrack Menace | 7.4 | 28 |
| 5 | All the President's Menace/The Love Rowboat/Wilson the Menace | 7.2 | 28 |
| 6 | Fishing for Trouble/Future Fortune/Time Bomb | 7.4 | 27 |
| 7 | Spa Blahs/Whale of a Tale/Disaster on the Green | 6.9 | 23 |
| 8 | Here, Kitty!/Circus Berserkus/The Monster of Mudville Flats | 7.0 | 21 |
| 9 | The Price of Stardom/Space Menace/The Magic Flute | 6.8 | 22 |
| 10 | Dennis' Yard Sale/The Abominable Snow Menace/It Came from the Planet Dennis | 6.6 | 20 |
| 11 | Snowman Madness/The Invisible Kid/Home Destruction | 6.7 | 21 |
| 12 | Chitty Chitty Moon Walk/Wet 'N Wild/Dennis at the Movies | 5.8 | 22 |
| 13 | The Supermarket/The Big Candied Apple/The Defective Detector | 6.7 | 20 |
| 14 | Henry the Menace/Come Fly with Me/Camping Out | 6.4 | 20 |
| 15 | Up, Up and Away (from here)/Going Ape/Dennis the Pirate | 6.5 | 20 |
| 16 | It's a Ruff Life/Professor Myron Mentalapse/Dennis Race 2000 | 6.2 | 18 |
| 17 | A Better Mousetrap/The Wizzer of Odd/Canine Car Wash | 6.3 | 21 |
| 18 | Ride'Em Cowboy/Tenting Tonight/A Hair Raising Tale | 5.9 | 19 |
| 19 | Medieval Evil/Beaver-Mania/Say Uncle | 6.1 | 16 |
| 20 | Hopping Mad/Mayan Mayhem/The Big Power Trip | 6.4 | 20 |
| 21 | Strong Medicine/Gold Strike/Lights! Camera! Mud! | 6.0 | 19 |
| 22 | Invasion of the Blob/Wild West Showdown/The Hen Party | 6.4 | 20 |
| 23 | Up Up and Oh Boy!/The Company Picnic/Aw Nuts! | 5.9 | 19 |
| 24 | Clip-Joint Capers/Tanks for the Memory/Second Honeymoon | 6.8 | 22 |
| 25 | A Couple of Coo-Coos/The Cloneheads/Nothing But the Tooth | 6.4 | 21 |
| 26 | Mummy's Little Boy/Horsing Around/Dennis Plasters Pamplona | 6.1 | 17 |
| 27 | Dennis Predicts/Dennis and the Kangaroo Cavalry/Meatball Mess | 5.9 | 18 |
| 28 | My Fair Dennis/A Good Knight's Work/Life in the Fast Lane | 6.0 | 18 |
| 29 | A Nightmare at the Opera/A Royal Pain/Having a Marble-ous Time | 6.2 | 18 |
| 30 | Marky the Menace/Dennis the Genius/A Step Ahead | 5.8 | 17 |
| 31 | The Boss Gets Scalped/Mr. Dennistein/Lean, Green, Jumping Machine | 6.0 | 17 |
| 32 | Laundry Business/Journey to the Center of Uncle Charlie's Farm/Dennis Springs into Action | 6.6 | 18 |
| 33 | Ruff's Hat Trick/A Moving Experience/Lemon-Aid | 5.9 | 20 |
| 34 | Sounds in the Night/Dennis Does Hollywood/Ruff to the Rescue | 6.2 | 17 |
| 35 | The Bicycle Thief/Menace of the Mine Shaft/Margaret's Birthday Party | 6.4 | 17 |
| 36 | So Sorry/Shock Therapy/Yard Wars | 6.3 | 19 |
| 37 | Ruff's Masterpiece/Going to the Dogs/Big Baby | 6.6 | 18 |
| 38 | Building a Better Dog House/Dennis and the Dragon/Hic! | 6.1 | 17 |
| 39 | Strike Up the Band/Queen of Chinatown/Tale of a Tux | 6.1 | 17 |
| 40 | Give a Little Whistle/Charmed I'm Sure/After Hours | 6.2 | 17 |
| 41 | Baseball's Best Ballplayer/Mr. Wilson's Diet/The Backyard Band | 6.2 | 17 |
| 42 | Double Dennis/Timber Wolves/Help Not Wanted | 6.3 | 18 |
| 43 | Million Dollar Dennis/3-D and Me/Barber Shop Disharmony | 5.8 | 17 |
| 44 | Bowling for Dennis/Dennis Conquers the Navy/The Longest Half-Yard | 6.5 | 18 |
| 45 | Vampire Scare/Give Me Liberty or Give Me Dennis/Wilson for Mayor | 6.8 | 18 |
| 46 | Dangerous Detour/The Prodigy/The Chimp | 6.5 | 18 |
| 47 | High Steel/Bicycle Mania/Little Dogs Lost | 6.7 | 18 |
| 48 | Dennis Destroys Dallas/Black & Blue Hawaii/Oil's Well That Ends Well | 6.6 | 20 |
| 49 | Door to Door Bore/Dennis in Venice/Young Sherlock Dennis | 6.2 | 17 |
| 50 | Surf's Up/Yo Ho Ho/The Karate Kiddie | 6.2 | 17 |
| 51 | Dennis and the Deep/K-9 Kollege/Housepests | 6.3 | 16 |
| 52 | Animalympics/No Bones About It/Dennis Takes the Cake | 6.2 | 18 |
| 53 | Quiet Riot/The Magic Pen/A Feeling for Stealing | 6.5 | 20 |
| 54 | Househusband Henry/Wheeling & Double-Dealing/Stop That Car | 6.2 | 16 |
| 55 | Lights, Camera, Auction/Boy Ahoy/Faulty Alarm | 6.3 | 16 |
| 56 | Hail to the Chief/Dennis in Microchipland/Handy Dandy Dennis | 6.3 | 16 |
| 57 | Dennis the Businessman/Soccer It to Me, Dennis/Camp Over Here-Over There | 6.2 | 16 |
| 58 | Hullaballoo at Harmony Homes/Phantom of the Wax Museum/Dennis and the Gypsy Woman | 5.7 | 17 |
| 59 | Attack of the Giant Tomatoes/The Dinosaur Doozy/Funhouse Grouch | 5.9 | 15 |
| 60 | Dennis Rocks Out/Deserted with Dennis/Fashionable Menace | 6.0 | 15 |
| 61 | Back to the Drawing Board/Part-Time Helper/G.I. George | 6.0 | 15 |
| 62 | Wanted: Scarface Wilson/Ruff Come Home/10-4 Dennis | 5.9 | 15 |
| 63 | Heroes Unwelcome/The Martians Are Coming/Ancient Olympics | 5.9 | 16 |
| 64 | Pool Haul/Fool for Gold/Nothin' to Be Afraid Of | 6.0 | 16 |
| 65 | Yankee Doodle Dennis/Dennis the Barnstormer/Trial & Error | 5.9 | 16 |
