Operation: N.A.U.G.H.T.Y.
Season 5, Episode 1 TV-Y7-FV
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“Operation: N.A.U.G.H.T.Y." (Ninnies Almost Undo Greatest Holiday This Year) When the North Pole is attacked and Santa's gift giving device (the R.E.I.N.D.E.E.R. 4000) is stolen, all clues point to the KND. Now, Numbuhs One through Five must defend themselves against an elite squad of super-powered elves while trying to discover who set them up before every Christmas present in the world is turned into coal!
Operation: E.L.E.C.T.I.O.N.S.
Season 5, Episode 2 TV-Y7-FV
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"Operation: E.L.E.C.T.I.O.N.S." (Enemy Launches Evil Campaign To Inflame Our Noble School) The election for Gallagher Elementary's new 4th grade president has arrived and the DCFDTL plan to use it to take over the school! Can Numbuh One and the Kids Next Door put the Delightful Deviant's political ambitions on hold?
Operation: D.U.C.K.Y./D.I.A.P.E.R.
Season 5, Episode 3 TV-Y7-FV
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"Operation: D.I.A.P.E.R." (Drooling Infants Awarded Perilous Emergency Rescue) Numbuh One suspects that the only reason babies would be in hospitals is so that sinister adults can turn them into adults faster! The KND embark on a mission to set the babies free, but the babies don't seem to want to cooperate! "Operation: D.U.C.K.Y." (Dirty Unwashed Captain's Kowardly Yacht) Forced to take a bath, Tommy finds himself shanghaied by a cleanliness-fearing sea captain and his happily dirty crew. But when a monstrous yellow rubber duck that prowls the uncharted bath waters appears, the crew prepares to abandon ship!
Operation: B.U.L.L.I.E.S./F.I.S.H.Y.
Season 5, Episode 4 TV-Y7-FV
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"Operation: B.U.L.L.I.E.S." (Big Ugly Lunks Like Intimidating Entrapped Scaredycats) Spitballasauruses! Noogieraptors! The dreaded Wedgiesaurus Rex! They all roam free on an island habitat created by a brilliant and entrepreneurial kid scientist harboring a secret... a secret that Numbuhs Two and Four will soon learn in the end. "Operation: F.I.S.H.Y." (Feline Invaders Swarm Headquarters Yearningly) To give Numbuh Three's dead goldfish a proper burial, Numbuhs Two and Four go on an epic quest to the forgotten other side of the tree house where they must drop the fish into a giant toilet. The Crazy Old Cat Lady is craving for seafood, however, creates an epic battle over the rapidly deteriorating delicacy.
Operation: B.R.E.A.K.U.P./S.A.F.A.R.I.
Season 5, Episode 5 TV-Y7-FV
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"Operation: B.R.E.A.K.U.P." (Boys Ruin Everything And Kreate Upset People) When Numbuh Four uncovers a "Vaseball" league, where kids shatterfy every breakable object into a kajillion pieces, will he save his mom's prized vase or go for the home run? "Operation: S.A.F.A.R.I." (Shots Are Fired At Rear Incessantly) When Numbuh One is forced to go to the doctor to get his moosebumps shot he enters into a dangerous game of survival as the doctor REALLY wants him to take his medicine!
Operation: V.I.R.U.S./O.U.T.B.R.E.A.K.
Season 5, Episode 6 TV-Y7-FV
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"Operation: V.I.R.U.S." (Very Icky Research Under Sea) The evil Cree is leaving a path of destruction in her wake as she desperately seeks Number Five and 'the andidote'. Can Numbuh Five and the KND stop this teen gone wild? "Operation: O.U.T.B.R.E.A.K." (Overflowed Undersea Treehouse Bears Really Extra Awful Kontamination) The KND are sent to the KND Deep Sea Science Lab to contain a deadly virus carried by 'Patient C.' Can the KND and the collective IQs of 200 dorky boy scientists save the day?
Operation: C.A.N.Y.O.N./H.O.L.I.D.A.Y.
Season 5, Episode 7 TV-Y7-FV
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"Operation: C.A.N.Y.O.N." (Clear Area Need You Out Now) The Global KND anniversary celebration is approaching and Numbuh One leads his team in arranging something that no kid will ever forget! Now, if they could only find a spoon! "Operation: H.O.L.I.D.A.Y." (Hamsters On Leave In Disastrous Airline Yarn) After a horrible pie-related disaster, Numbuh One's insanely jealous girlfriend Lizzie is forced to land a pilot-less plane full of hysterical hamsters. Can Numbuh One guide her safely down? Considering the mood she's in, does he want to?
Operation: C.A.K.E.D.-F.I.V.E.
Season 5, Episode 8 TV-Y7-FV
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"Operation: C.A.K.E.D.-F.I.V.E." (Centuries After Kalamity Enemy Dessert Found In Void's Emptiness) For his Delightful Children's birthday this year, Father has created the yummiest, and deadliest, cake the KND have ever seen. Can a KND operative from a long, long time ago help his modern day teammates defeat Father and achieve the delicious dessert?
Operation: R.E.C.R.U.I.T./D.A.D.D.Y.
Season 5, Episode 9 TV-Y7-FV
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"Operation: D.A.D.D.Y." (Dastardly Adult's Do Degrades Youngster) Dads are always trying to give their kids bad haircuts, but THIS dad has gone too far! With only rookie’s operatives at his side, Numbuh One must race against the clock to save this amateur barber's next victim! "Operation: R.E.C.R.U.I.T." (Really Excitable Child Rookie Undergoes Impossible Tests) A KND fanboy finds his dreams answered when he's recruited by the KND! But not every average Joe and Jane in the sandbox is up to the task of the intense recruitment program. Can he handle the final mission that may expose this fanboy's inner child?
Operation: C.L.O.W.N./S.P.A.N.K.E.N.S.T.I.N.E.
Season 5, Episode 10 TV-Y7-FV
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"Operation: C.L.O.W.N." (Curmudgeon's Lackeys Outlaw Wacky Nonsense) Numbuh Two's jokes, puns and gags have suddenly made him a marked man. Turns out there's a guy with a big, red nose who's lost his sense of humor and doesn't take kindly to class clowns! Capiche?! "Operation: S.P.A.N.K.E.N.S.T.I.N.E." (Stuffed Puffy Animal Now Kruelly Enacts Nasty Spanking To Investigator's Notable End) Numbuh Three's little sister, the formerly sweet Mushi, has never forgiven Numbuh Two for getting her grounded for double life! And she insists that revenge is best served with a good, painful spanking and a whole lot of chocolate sauce!
Operation: H.O.T.S.T.U.F.F./M.I.S.S.I.O.N.
Season 5, Episode 11 TV-Y7-FV
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"Operation: M.I.S.S.I.O.N." (Many Incarcerated Scoundrels Secretly Implement Operative's Needs) Numbuh Four secures the release of several of the KND's most evil-est adult villains from the KND arctic prison for a triple double extra secret mission! After a grueling training regime, the team is ready to strike! "Operation: H.O.T.S.T.U.F.F." (Hands Off Thermostat Says The Upset Father Furiously) NO ONE is allowed to touch the thermostat in Mr. Sanban's house! But when Numbuh Three goes against his wishes and turns up the heat, everyone gets a little hot under the collar!
Operation: L.I.C.O.R.I.C.E./H.O.M.E.
Season 5, Episode 12 TV-Y7-FV
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"Operation: H.O.M.E." (Hardly Ordinary Monkey Estate) When one of Numbuh Three's beloved Rainbow Monkeys gets too old to play, she decides to let him spend the rest of his days in peace at Fluffy Meadows, a Rainbow Monkey retirement home. But Fluffy Meadows turns out to be anything but peaceful. "Operation: L.I.C.O.R.I.C.E." (Lost Island's Crop Of Red Irreplaceable Candy Endangered) When candydom's most devious candy pirate awakens with sugar and evil on his mind, Numbuh Five has to team up with her old foes Stickybeard and Heinrich to defeat this new menace and solve the mystery of the black licorice!
Operation: I.T.
Season 5, Episode 13 TV-Y7-FV
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"Operation: I.T." (Indecisive Time) While being the leader of the Global Kids Next Door sounds like the coolest job in the world, Numbuh 362 has had enough! When she orders that a new global leader be chosen, with every operative in the world involved, an unlikely candidate throws his hat in the ring!