"Operation: C.A.K.E.D." "C.A.K.E.D." stands for "Capturize And Kidnapify Enemy Dessert." The Kids Next Door try to stop the Delightful Children Down the Lane from hoarding their delicious birthday cake."Diseasy Does It" Kenny and Chimpy are hired to do chores."No P in the OOL" Originally aired as part of "The Premiere Premiere Show."
"Operation: I.-S.C.R.E.A.M." "I.-S.C.R.E.A.M." stands for "Important - Steal Creamy Refrigerated Edibles - Avoid Meltdown." The Kids Next Door must survive a terrible ice cream monster in their bid to get the perfect ice cream from the factory.
"Operation: N.O.-P.O.W.U.H." "N.O.-P.O.W.U.H." stands for "New Orders - Pulverize Opposition Without Utilizing Hamsters." The hamsters running the central power core are given a vacation by Numbuh Three, which leaves the tree house defenseless.
"Operation: P.I.R.A.T.E." "P.I.R.A.T.E." stands for "Pirates Invade Repository And Treats Extracted." Numbuh 5 is captured by pirates who wish to steal her treasure chest of candy. "Operation: C.O.W.G.I.R.L." "C.O.W.G.I.R.L." stands for "Crazy Old Woman Goes Increasingly Really Loco." The Kids Next Door are kidnapped by the last remaining member of the Cowboy Kids Club, an old woman who refuses to be an adult.
"Operation: T.U.R.N.I.P." "T.U.R.N.I.P." stands for "Turnips Unfortunately Reaching Near Infestation Point." The tree house is infested with turnips, so the Kids Next Door travel to the source of all the turnips: a giant turnip monster.
"Operation: O.F.F.I.C.E." "O.F.F.I.C.E." stands for "On Fourteenth Floor Is Corporate Evil." Numbuh 4 is forced to go with his father to "Bring Your Daughter To Work Day" at his father's office, since Numbuh 4 doesn't have a sister.
"Operation: L.I.C.E." "L.I.C.E." stands for "Lice Interrupt Cheese Eating." Numbuh 5 finds her hair infested by a giant hair-eating louse that soon wrecks havoc on Numbuh 3's stuffed animal collection.
"Operation: T.H.E.-F.L.Y." "T.H.E.-F.L.Y." stands for "Tiny Horsefly Examines Five Little Youngsters." A horsefly infiltrates the tree house and gets quite a different reception from each of the Kids Next Door.
"Operation: C.A.B.L.E.-T.V." "C.A.B.L.E.-T.V." stands for "Crazy Arrogant Baby Loses Every Television Viewer." The baby-sized owner of the Kid-Tacular Kids Network tries to take his programming worldwide, but the Kids Next Door prevent him.
"Operation: T.O.M.M.Y." "T.O.M.M.Y." stands for "Totally Obnoxious Moronic Meddling Youngster." While battling the villainous Common Cold, Numbuh 2 rejects his younger brother Tommy.
"Operation: P.I.A.N.O." "P.I.A.N.O." stands for "Pesky Instrument Advances New Operative." Numbuh 4 leads to others on a mission to destroy a shipment of pianos used to torture child through incessant piano lessons.
"Operation: Q.U.I.E.T." "Q.U.I.E.T." stands for "Quietude Unlikely In Entire Treehouse." The Kids Next Door try their best to let an exhausted Numbuh 1 rest, but no matter what they do they can't keep things quiet.
"Operation: G.R.O.W.-U.P." "G.R.O.W.-U.P." stands for "Getting Really Old Will Upset Plans." The father of the Kids Down The Lane forces them to use an age-changing ray on the Kids Next Door. After Numbuh 1 is aged, he stops being a Kids Next Door operative. The four remaining operatives must attack the Kids Down The Lane to find the antidote that will turn Numbuh 1 back into a child.