Operation: C.A.T.S./Operation: P.O.P.
Numbuh Four is trapped by Crazy Old Cat Lady and her army of cats. Then, when adults raise the drinking age of root beer up to 13, the Kids Next Door have to shake things up for the sinister Mr. Fizz.
Operation: S.P.A.N.K./Operation: D.A.T.E
When a stint in the slammer helps Count Spanklot see the wrong of his ways, he becomes determined to join the Kids Next Door. Then, Numbuh One invites Lizzie to accompany him to a party hosted by the Delightful Children from Down the Lane.
Operation: S.U.P.P.O.R.T./Operation: T.A.P.I.O.C.A.
During a visit to her house, Numbuhs One and Two discover Cree wears a training bra. Then, a powerful, mysterious gang of teens is trying to flood the town with truckloads of disgusting tapioca and only Numbuh Two's Granny knows why.
Operation: M.O.V.I.E./Operation: F.A.S.T.-F.O.O.D.
Numbuh Four attempts to sneak into an R-rated movie and discovers he's not the only one in the audience with a secret to hide. Then, when Numbuh Three's birthday wish is to lead a mission, the Kids Next Door devise a simple mission for her.
Operation: S.H.A.V.E./Operation: O.O.M.P.P.A.H.
When Kids Next Door operatives in Texas start growing whiskers south of their schnozes, it's up to Numbuhs One through Five to clip this problem in the bud. Then, Numbuh One knew he'd hate the day he'd have to go fishing with his dad.
Operation: F.L.A.V.O.R./Operation: K.I.S.S.
Numbuh Five has always dreamed of tasting ice cream's legendary Fourth Flavor. Then, in a hamster-related experiment gone horribly wrong, Numbuh Two suddenly discovers he has the body of a teenager!
Operation: G.H.O.S.T./Operation: F.U.G.I.T.I.V.E.
When one of the Treehouse's hamsters dies, Numbuh Three misses him terribly. Then, when an operative scheduled for decommissioning escapes, Numbuhs One through Five track him under the supervision of the head of decommissioning.
Operation: T.H.E.-S.H.O.G.U.N./Operation: C.O.L.L.E.G.E.
When Numbuhs Two and Four discover the town has been conquered by a Cheese Shogun, they take it upon themselves to cut this cheese down to size. Then, Numbuh One discovers England's most prestigious University has accepted a 10-year-old!
Operation: R.E.P.O.R.T./Operation: B.R.I.E.F.
After every Kids Next Door mission, reports must be filed even when missions fail. Each operative tries to excuse their failure by telling it their way. Then, Numbuh One is running around screaming with his tighty-whitey's on his head.
Operation: C.A.K.E.D. - T.W.O./Operation: S.P.A.C.E.
Every year, the Kids Next Door attempt to capture and re-distribute the Delightful Children from Down the Lane's super delicious birthday cake. Then, a re-supply mission to Kids Next Door Global Command Moonbase becomes a rescue mission.
Operation: B.E.A.C.H./Operation: U.N.D.E.R.C.O.V.E.R.
On a Kids Next Door beach holiday, Numbuh Three discovers chivalry isn't dead when the king of a nearby sandcastle asks her to become his queen. Then, the Kids Next Door are given information about the Adult's Coffee Drilling Operation.
Operation: D.O.G.F.I.G.H.T./Operation: T.R.I.P.
Numbuh Two's pride is damaged and his aircraft are destroyed when a pilot called "the Kid" takes to the skies. Then, Numbuh Three journeys to her homeland to visit Granny and is tracked by Japan's most villainous masters of disguise.
Numbuh One is wrongly accused of being 13-years old and ambushed by a decommissioning squad led by Numbuh 86. With no access to his team or his Treehouse, he must rely on his skills and the help of the legendary Numbuh 274 and Tommy.
Numbuh Four finds himself shipped off to an all-girls boarding school with a terrible secret. Will he be able to stop the evil headmistress Margaret on his own, or will Wallabe fail and doom the future of every boy on the planet?
Operation: A.F.L.O.A.T./Operation: L.E.A.D.E.R.
When a mission goes wrong and the Kids Next Door crash, they have to worry about figuring out how to keep their craft afloat. Then, Nigie is exhausted from all of his missions. Lizzie decides to take over his position as mission leader!
Operation: U.T.O.P.I.A./Operation: R.O.B.B.E.R.S.
Numbuh One discovers a perfect island where there are no parents or bedtimes, and you can even have cake for dinner! Then, Homework Bandits stage a daring hold-up on the 8:30 am school bus!
Numbuh Five's rescue mission to save her classmate, Leona, leads to a wild chase down a fantastical and deadly ancient underground school that contains an incredible secret!
Operation: B.U.T.T./Operation: T.R.A.I.N.I.N.G.
When Numbuhs Two though Five force Numbuh One to take a day off, they set him up to be exposed. Then, Tommy and his fellow cadets discover their training simulations in the Kids Next Door Arctic Training Base may not be simulations.
Operation: A.R.C.H.I.V.E./Operation: S.L.U.M.B.E.R.
The history of the genesis of the Adult-Child conflict. This is the story the adults don't want you to hear! Then, Numbuh Four's determination to join Numbuh 86's girls-only mission leads him do whatever it takes.
Operation: P.I.N.K.E.Y.E./Operation: K.A.S.T.L.E.
Hoagie Gilligan, P.I. uses all of his detective skills to discover who's infecting everyone with pink eye. Then, a ride down the Rainbow Monkey Sugar Coated Kastle of Love means action not romance when a nemesis tracks down Kuki and Mushi.
Operation: C.A.K.E.D.-T.H.R.E.E./Operation: L.O.C.K.D.O.W.N.
The Delightful Children from Down the Lane are determined not to share their extra-yummy birthday cake. Then, an emergency Treehouse lockdown has saved the fleeing Numbuh One and his team from their spankiest enemy.
Operation: H.U.G.S./Operation: J.E.W.E.L.S.
Numbuh Four's disgust at anything Rainbow Monkey only increases when he finds himself trapped on Rainbow Monkey Island with a Rainbow Monkey-Kong. Then, Numbuh Five journeys to the exotic Al-Suhgar Desert to recover her stolen candy.
Tommy graduates from the Kids Next Door Academy just as the sinister Father commences his unstoppable plan to destroy the Kids Next Door. Suddenly, Tommy must sacrifice all that mattered to him in order to save his brother and his friends.
Operation: T.R.I.C.K.Y./Operation: U.N.C.O.O.L.
The question this Halloween is who'll get the most candy this year, but Numbuh Four's candy quest is complicated by the crafty Stickybeard. Then, Numbuh Two convinces the Kids Next Door to journey to a spooky Cyprus Treehouse in the Bayou.
Operation: P.R.E.S.I.D.E.N.T./Operation: H.O.S.P.I.T.A.L.
The Kids Next Door are employed as the security detail for the 4th Grade Class President on an important mission. Then, after an operative is injured, the Kids Next Door rush to the hospital to protect the patient from a teenage attack.
Operation: S.P.R.O.U.T./Operation: H.O.U.N.D.
Numbuh Four eats a Brussels sprout, sending the rest of the Kids Next Door on an emergency voyage to stop the vegetable from being ingested. Then, when Numbuh Five tells her teacher a vicious dog ate her homework, she's not lying.
Operation: R.A.B.B.I.T./Operation: F.L.U.S.H.
Numbuhs Two and Five venture into the Jungle Gym to find the Second Grade's missing bunny. Then, in an attempt to capture the Kids Next Door's Treehouse, the Adult villains learn there's no such thing as a fool-proof plan.
Operation: F.O.O.D.F.I.T.E./Operation: C.L.U.E.S.
Gramma Stuffum unleashes a gastronomic grossness on the school in a Rock Opera that's hard to swallow! Then, when a Sunday dinner with Numbuhs Two and Three's families takes a dramatic turn only Hoagie's detective skills can solve the case!
Operation: N.U.G.G.E.T./Operation: M.A.C.A.R.R.O.N.I.
Numbuh Four's discovery of a chicken nugget in a local stream creates a stampeding Chicken Nugget Rush of condiment cowboys! Then, Numbuh 13 warns the Kids Next Door of an Adult scheme to ransack the Macaroni Museum of Art.
When Numbuh Four's pool becomes a portal to a negative universe, the fate of both worlds depends on Wally defeating the smartest evil genius ever!
Operation: C.A.K.E.D.- F.O.U.R.
It's an all out tubing battle when Toobathon is made sweeter by the Delightful Children from Down the Lane's promise to donate their scrumptious Birthday Cake to the winner! Can Numbuh Two and his trusty tube get their cake and eat it too?
Operation: S.I.T.T.E.R./Operation: S.A.T.U.R.N.
When Hoagie discovers Cree is his babysitter, will it be a dream come true or turn into a nightmare? Then, the Kids Next Door are the last hope for girls all over the world as a powerful entity propels all the Rainbow Monkeys into space.
Operation: C.H.O.C.O.L.A.T.E./Operation: M.A.T.A.D.O.R.
Numbuh Five's family and friends are attacked by an enemy that has become a hollow shell of a boy. Then, when the Kids Next Door prepare to attack the Soccer Mom, Numbuh Four must choose between the mission or his gig as a matador.
Operation: L.U.N.C.H./Operation: M.U.N.C.H.I.E.S.
Lizzie spends all day fixing a romantic lunch for Nigie only to have it snatched by Robin Food. Then, the important battle of the day begins when 2x4 technology scans locate the last box of Rainbow Munchies in aisle sixty-teen.
Operation: K.N.O.T./Operation: C.L.O.S.E.T.
Numbuh One risks his neck when he teams up with an adult to battle a giant horde of horrible, snake-like school ties! Then, when an innocent kid opens his closet door and disappears into clothes, it's up to the Kids Next Door to help.
The only thing worse for Nigel than being sick on the first snow day of the year is when the evil Fourth Grade President attempts to capture and return every kid to school for a special assembly!
When Sector V's original leader, Maurice, turns 13 and submits to decommissioning, Numbuh Five is determined not to let her old boss become an agent of evil in his teenaged years. Can she succeed with Cree recruiting the skillful boy?
Operation: L.O.V.E./Operation: C.O.U.C.H.
A musical starring Numbuh Three asks the question: Can her love survive the slings and arrows of outrageous fortune? Then, when the remote control falls into the couch, Numbuh Four dives into the cushions to discover an underworld.
As the Dodge-Ball Wizard vanquishes the world's great Dodge-Ball Monks, only one battle remains. Then, when a mission to extract a code from the Delightful Children from Down the Lane fails, Numbuh One crash-lands on Rainbow Monkey Island!
When the North Pole is attacked and Santa's gift giving device is stolen, all clues point to the Kids Next Door. Numbuhs One through Five must defend themselves against an elite squad of elves while trying to discover who set them up.
The election for fourth grade president has arrived, and the Delightful Children from Down the Lane plan to use it to take over the school!
Operation: D.U.C.K.Y./Operation: D.I.A.P.E.R.
Forced to take a bath, Tommy finds himself shanghaied by a cleanliness-fearing sea captain and his dirty crew. Then, Numbuh One suspects the only reason babies would be in hospitals is so sinister adults can turn them into adults faster!
Operation: B.U.L.L.I.E.S./Operation: F.I.S.H.Y.
The Wedgiesaurus Rex roam free on an island created by a kid scientist harboring a secret. Then, 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 treehouse.
Operation: B.R.E.A.K.U.P./Operation: S.A.F.A.R.I.
Numbuh Four uncovers a Vaseball league, where kids shatter every breakable object into a kajillion pieces. Then, when Numbuh One is forced to go the doctor to get his moosebumps shot, he enters into a game of survival.
Operation: V.I.R.U.S./Operation: O.U.T.B.R.E.A.K.
The evil Cree is leaving a path of destruction in her wake as she desperately seeks Number Five and an antidote. Then, the Kids Next Door are sent to the Kids Next Door Deep Sea Science Lab to contain a deadly virus carried by Patient C.
Operation: C.A.N.Y.O.N./Operation: H.O.L.I.D.A.Y.
The Global Kids Next Door anniversary celebration is approaching, and Numbuh One arranges something no kid will forget! Then after a pie-related disaster, Numbuh One's girlfriend is forced to land a pilot-less plane full of hamsters.
For his Delightful Children's birthday this year, Father has created the deadliest cake ever. Can a long lost Kids Next Door operative help defeat him?
Operation: R.E.C.R.U.I.T./Operation: D.A.D.D.Y.
A Kids Next Door fanboy finds his dreams answered when he's recruited by the Kids Next Door! Then, dads are always trying to give their kids bad haircuts, but this dad has gone too far!
Operation: C.L.O.W.N./Operation: S.P.A.N.K.E.N.S.T.I.N.E.
Numbuh Two's jokes have made him a marked man. There's a guy with a big nose who's lost his sense of humor and doesn't take kindly to class clowns! Then, Mushi has never forgiven Numbuh Two for getting her grounded for double life!
Operation: H.O.T.S.T.U.F.F./Operation: M.I.S.S.I.O.N.
No one is allowed to touch the thermostat in Mr. Sanban's house! When Kuki turns up the heat, everyone gets a hot under the collar! Then, Wally secures the release of several of the Kids Next Door's villains.
Operation: L.I.C.O.R.I.C.E./Operation: H.O.M.E.
When candydom's pirate awakens, Numbuh Five teams up with Stickybeard and Heinrich to defeat him. Then, when one of Numbuh Three's Rainbow Monkeys gets too old to play, she lets him spend the rest of his days in peace at Fluffy Meadows.
Being the leader of the Global Kids Next Door sounds like the coolest job but Numbuh 362 has had enough! When she orders a global leader be chosen, with every operative in the world involved, an unlikely candidate throws his hat in the ring!
Operation: E.N.G.L.A.N.D./Operation: A.W.A.R.D.S.
During a family trip back to England, Numbuh One is drawn into a mission to protect a very mysterious book. Then, if you wanna watch a really good award show, check out the Villain Choice Awards!
A safety obsessed Senator spends eleventy-billion dollars to construct an army of colossal robots capable of firing blasts that encase swingsets, bicycles, Rainbow Monkeys and anything that could possibly harm kids in bubblewrap.
Operation: R.E.C.E.S.S/Operation: H.A.M.S.T.E.R.
Principal Sauerbraten discovers a reserve of salad oil under the school's playground and plans to turn recess into a hard labor camp. Then, when the Kids Next Door go on a mission, the hamsters find themselves under attack.
Numbuh One wakes up one morning to find he's entered his own worst nightmare! Not only is he an adult, but he has a job -- the President of the United States! What's worse, he's the only one that realizes something is not right.
Operation: S.P.I.N.A.C.H./Operation: M.E.S.S.A.G.E.
The shores of Gallagher Elementary are invaded by the Spinach Armada who want to make kids enjoy spinach. Then, the Kids Next Door run a note passing service, boasting not a single note delivered has been read in front of the class.
Operation: B.R.I.D.G.E./Operation: S.I.X.
The Kids Next Door must destroy a bridge that leads to a mall store selling the ugliest clothes. Then, after promising a girl that he won't let her party go soda-less, Hoagie takes the wheel of a truck filled with the carbonated stuff.
Tommy falls in love with Hoagie's old tricycle he finds in the garage but gets only laughs from other kids when they see him riding it. Using his 2x4 technology expertise, Tommy rebuilds it to make it the best bike in the whole world.
Operation: C.R.I.M.E./Operation: P.A.R.T.Y.
When a member of the School Safety Patrol gets kids tossed into detention, the Kids Next Door have to uncover his motives. Then, the Delightful Children from Down the Lane invite Chad and the teens over to discuss their evil plans.
Operation: D.O.G.H.O.U.S.E./Operation: P.L.A.N.E.T.
After Numbuh Five wanders into an eerie haunted doghouse, the Kids Next Door's homework begins to disappear! Then, while attempting to break the Ridiculous Barrier, Numbuhs Four and Three lose control and crash a 2x4 tech rocket.
Operation: S.C.I.E.N.C.E./Operation: A.M.I.S.H.
The science fair only looks like just a bunch of lame fake volcanoes and cheesy electrical experiments. Then, dozens of the top Kids Next Door scientists and 2x4 tech specialists are kidnapped during a raid at a Kids Next Door technology fair.
Lizzie's always had to compete with the Kids Next Door for Nigel's attention, but now it seems she has a rival for his love! What kind of person would do such a thing? Turns out it's not a person at all.
Operation: C.A.R.A.M.E.L./Operation: M.O.O.N.
In a quest for revenge against Numbuh Five, Heinrich unleashes a diabolical plan, the Mayan recipe for the most delicious caramel. Then, the original moon landing was faked by the Kids Next Door so their Moonbase won't be discovered.
The teens offer a truce to the Kids Next Door, but the peace process is threatened when things turn out to be not what they appear. Is the Kids Next Door diplomat a member of the splinter cell with designs on ruining the treaty negotiations?