Skippy attempts to use non violent solutions advice from his school counselor to deal with Duke instead of his Aunt's brand of exaggerated cartoon violence due to them being under watch by the FTA. Skippy attempts to ignore him, share with him, and be friends but none of it works and end with Duke beating him up. Skippy finally uses his Aunt's methods and using the non-violent advice again. Duke is shown the error of his ways by being dropped up and down with a giant magnet, blown up with a TNT booby-trapped radio, and sent up in the air with a rocket that explodes into a fireworks show. Duke finally reforms and starts wears a schoolboy outfit and thanks Skippy and Slappy for showing him the error of his ways and helps together her new educational and nonviolent problem solver.
Season 2: "Take My Siblings Please / The Mindy 500 / Morning Malaise" • "Miami Mama-Mia / Pigeon on the Roof" • "We're No Pigeons / Whistle Stop Mindy / Katie Ka-Boom: The Broken Date" • "I'm Mad / Bad Mood Bobby / Katie Ka-Boom: The Blemish / Fake" Season 3: "Super Strong Warner Siblings / Nutcracker Slappy / Wakko's New Gookie / A Quake, a Quake!" • "Variety Speak / Three Tenors and You're Out / Bingo" • "Deduces Wild / Rest in Pieces / U.N. Me" • "A Hard Day's Warner / Gimme a Break / Please Please Please Get a Life Foundation" • "The Tiger Prince / All The Words in the English Language / The Kid in the Lid / Method to Her Madness" • "The Presidents Song / Don't Tread on Us / The Flame Returns" • "Gimme the Works / Buttons in Ows / Hercules Unwound" • "This Pun for Hire / Star Truck / Go Fish / Multiplication Song" • "The Sound of Warners / Yabba Dabba Boo" • "My Mother the Squirrel / The Party / Oh! Say Can You See / The Twelve Days of Christmas Song" • "Dot's Entertainment / The Girl with the Googily Goop / Gunga Dot" • "Soccer Coach Slappy / Belly Button Blues / Our Final Space Cartoon, We Promise / Valuable Lesson" • "Wakko's 2-Note Song / Panama Canal / Hello Nurse / The Ballad of Magellan / The Return of the Great Wakkorotti / The Big Wrap Party Tonight" Season 4: "One Flew Over the Cuckoo Clock" • "Cutie and the Beast / Boo Happens / Noel" • "Jokahontas / Boids on the Hood / Mighty Wakko at the Bat" • "A Very Very Very Very Special Show / Night of the Living Buttons / Soda Jerk" • "From Burbank with Love / Anchors A-Warners / When You're Traveling from Nantucket" • "Papers for Pappa / Amazing Gladiators / Pinky and the Ralph" • "Ten Short Films About Wakko Warner / No Time for Love / The Boo Network" • "Pitter Patter of Little Feet / Mindy in Wonderland / Ralph's Wedding" Season 5: "Back in Style / Bones in the Body" • "It / Dot - The Macadamia Nut / Bully for Skippy" • "Cute First (Ask Questions Later) / Acquaintances / Here Comes Attila / Boo Wonder" • "Hooray for North Hollywood" • "The Carpool / The Sunshine Squirrels" • "The Christmas Tree / Punchline (Part I) / Prom Night / Punchline (Part II)" • "Magic Time / The Brain's Apprentice" • "Birds on a Wire / The Scoring Session / The Animaniacs Suite"