Pilot (2001)

Title Original air date Production


"No P in the OOL" July 20, 2001 000b
When the villainous Mr. Wink and Mr. Fibb extend the adult swimtime in the neighbourhood pool the Kids Next Door are sent a red alert to stop them.
1 1 "Operation: C.A.K.E.D."

"Capturize And Kidnapify Enemy Dessert"

December 6, 2002 101
The Kids Next Door attempts to stop a birthday party for their arch-enemies, the Delightful Children From Down The Lane.

Note: This episode is only 7 minutes long and is paired with "Diseasy Does It" and "No P in the OOL" when aired.

2a 2a "Operation: I.-S.C.R.E.A.M."

"Important – Steal Creamy Refrigerated Edibles Avoid Meltdown"

December 6, 2002 102a
The group catches wind of some ice cream men who refuse to give ice cream to children, so they interrogate them and get the password to their ice cream factory.
2b 2b "Operation: C.A.N.N.O.N."

"Cannon And Nap time Not Occurring Normally"

December 6, 2002 102b
Numbuh 4 forces the other operatives to build a "clam cannon" when Numbuh 1 leaves.
3a 3a "Operation: N.O.-P.O.W.U.H."

"New Orders – Pulverize Opposition Without Utilizing Hamsters"

December 13, 2002 103a
The hamsters that power Sector V's weapons go on vacation. Meanwhile, the Delightful Children From Down The Lane looks for villains to attack Sector V, so they send an old lady named Gramma Stuffum, who is fixated on fattening kids, to Sector V's powerless HQ.
3b 3b "Operation: T.E.E.T.H."

"Tooth Extracting Enemy Terrorizes Headquarters"

December 13, 2002 103b
Numbuh 3's teeth are cleaned by a dental-obsessive villain, Knightbrace.
4a 4a "Operation: P.I.R.A.T.E."

"Pirates Invade Repository And Treats Extracted"

December 20, 2002 104a
Stickybeard and the other Candy Pirates steal Sector V's candy, including Numbuh 5's secret stash.
4b 4b "Operation: C.O.W.G.I.R.L."

"Crazy Old Woman Goes Increasingly Really Loco"

December 20, 2002 104b
An adult named Lasso Lass (who keeps acting like a kid) wants to help Sector V defeat Mr. Wink and Mr. Fibb.
5a 5a "Operation: T.U.R.N.I.P."

"Turnips Unfortunately Reaching Near Infestation Point"

December 27, 2002 105a
When turnips are found everywhere in Sector V's treehouse, they go to the source: a giant turnip.
5b 5b "Operation: M.I.N.I.-G.O.L.F."

"Miniaturization Is Now Issue – Golfing Opposite Looney Fanatic"

December 27, 2002 105b
After Numbuh 2 beats a mini-golf champion at mini-golf, the golfer shrinks Numbuh 2, and a whole lot of sights from around the world.
6a 6a "Operation: O.F.F.I.C.E."

"On Fourteenth Floor Is Corporate Evil"

January 3, 2003 106a
When his father brings Numbuh 4 to work for "Bring Your Daughter To Work Day", Numbuh 4 discovers his father's boss plans.
6b 6b "Operation: A.R.C.T.I.C."

"Am Really Cold That Is Certain"

January 3, 2003 106b
A fellow operative, Numbuh 30c, is sent to help Sector V stop a villain from using a weather machine to make no more snow days for school.
7a 7a "Operation: L.I.C.E."

"Lice Interrupt Cheese Eating"

January 10, 2003 107a
The Delightful Children From Down The Lane attack Sector V's headquarters with an infestation of hair-eating lice.
7b 7b "Operation: L.I.Z.Z.I.E."

"Love Is Zesty Zany Insanity Eh?"

January 10, 2003 107b
Numbuh 1 has a secret girlfriend who he often neglects because of his Kids Next Door responsibilities, forcing her to use a boyfriend helmet to mind control Numbuh 1.
8a 8a "Operation: T.H.E.-F.L.Y."

"Tiny Horsefly Examines – Five Little Youngsters"

January 17, 2003 108a
A fly finds its way into Sector V's headquarters.
8b 8b "Operation: P.O.I.N.T."

"Prowling Operatives Investigate Naughty Teenagers"

January 17, 2003 108b
All of the teenagers in Sector V's hometown have formed a place called The Point, and Numbuh 1 suspects that they are being turned into adults.
9a 9a "Operation: C.A.B.L.E.-T.V."

"Crazy Arrogant Baby Loses Every – Television Viewer"

January 24, 2003 109a
A villainous half-man, half-baby named Mr. B gives the Kids Next Door a television series of their own.
9b 9b "Operation: C.A.M.P."

"Children Are Miserable Parents"

January 24, 2003 109b
A lost baby skunk interferes with a mission to rescue brainwashed campers.
10a 10a "Operation: T.O.M.M.Y."

"Totally Obnoxious Moronic Meddling Youngster"

January 31, 2003 110a
Numbuh 2's little brother, Tommy (who is shunned by Sector V) joins forces with a villain, Common Cold.
10b 10b "Operation: C.H.A.D."

"Charming Hero Avoids Destruction"

January 31, 2003 110b
Two parental villains are stupefying KND operatives around the world; an operative named Chad (Numbuh 274) enlists the help of Sector V.
11a 11a "Operation: P.I.A.N.O."

"Pesky Instruments Advances New Operative"

February 21, 2003 111a
Sector V tries to destroy some pianos in a truck with a hamster that acts as Numbuh 4's replacement.
11b 11b "Operation: Z.O.O."

"Zoologically Obsessed Octogenarian"

February 21, 2003 111b
Sector V is put into a "kids zoo" and must unite with the Delightful Children From Down The Lane to escape being fed to the zoo's cannibal bully.
12a 12a "Operation: Q.U.I.E.T."

"Quiet Unlikely In Entire Treehouse"

February 28, 2003 112a
Numbuh 5 tries to keep the treehouse quiet so Numbuh 1 can sleep.
12b 12b "Operation: R.A.I.N.B.O.W.S."

"Running Amok In Nature's Bounty Observing Wild Simians"

February 28, 2003 112b
The boss of Rainbow Monkeys Inc. uses Numbuh 3 to find real Rainbow Monkeys for him.
13 13 "Operation: G.R.O.W.-U.P."

"Getting Really Old Will – Upset Plans"

March 7, 2003 113
The frustrated Delightful Children From Down The Lane turn to their Father for help destroying Sector V. Their leader is turned into an adult, the treehouse is destroyed, and their faith is shattered.

Season 2 (2003–04)

Codename: Kids Next Door season 2
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Original air date Production


14a 1a "Operation: C.A.T.S."

"Crazy Aged Tyrant Stinks"

October 3, 2003 201a
Numbuh 4 is mistaken for a cat by an old lady after being stuffed in a kitty costume from his dispute with Numbuh 3. Note: This was aired after Operation: P.O.P. when it first aired.
14b 1b "Operation: P.O.P."

"Pre-teens Oppose Prohibition"

October 3, 2003 201b
The KND's soda pop is sought out by an evil industrialist. The legal age for drinking soda has been changed to 13. Numbuh 2 is caught selling illegal soda at a local bar and discovers a conspiracy to bottle kids. Note: This was aired before Operation: C.A.T.S. when it first aired.
15a 2a "Operation: S.P.A.N.K."

"Sore Posteriers Annoy Naughty Kids"

October 10, 2003 202a
Count Spankulot joins the KND and turns from his evil ways.
15b 2b "Operation: D.A.T.E."

"Dance Actually Threatens Everyone"

October 10, 2003 202b
The KND and nearly every kid in town are invited to a dance at the DCFDTL's mansion. But it was actually a trap, all the party guests (except Numbuh 1 and Lizzie) are "delightfulized" like the DCFDTL.
16a 3a "Operation: S.U.P.P.O.R.T."

"Special Underwire Protection Proportedly Outfits Rotten Teenagers"

October 17, 2003 203a
Numbuhs 2 and 1 try to find out about Cree's B.R.A.(Battle Ready Armor).
16b 3b "Operation: T.A.P.I.O.C.A."

"Teens And Pudding Inconvenience Our Childish Agents"

October 17, 2003 203b
Numbuh 2's grandmother joins forces with her friends to locate a pudding supply, which was trapped between the surface of the treehouse.
17a 4a "Operation: M.O.V.I.E."

"Meeting of Villains Isn't Entertaining"

October 24, 2003 204a
Numbuh 4 tries to get into an R-rated find it's a secret villain meeting.
17b 4b "Operation: F.A.S.T.-F.O.O.D."

"Find Another Stupid Task – For Our Oblivious Dodo"

October 24, 2003 204b
Numbuh 3 is sent on a mission for her birthday: to get a fast food meal. But the restaurant is actually for sharks, with kids on the menu as murdering, thanks to a new money-making scheme by Chester.
18a 5a "Operation: F.L.A.V.O.R."

"Find Lost Ancient Variety Of Refreshment"

October 31, 2003 205a
Numbuh 5 is kidnapped and sent to a temple to find a mystical flavor of ice-cream known as 'The Fourth Flavor' for the DCFDTL. She dreams to have a chance at tasting the long-lost flavor herself, for only those with pure taste buds may taste it.
18b 5b "Operation: K.I.S.S."

"Kid's Identity Suddenly Sixteen"

October 31, 2003 205b
Numbuh 2 is turned into a teenager when an experiment goes horribly wrong, but gets smooth with Numbuh 5's older sister.
19a 6a "Operation: S.H.A.V.E."

"Southern Hair Attacks Virtually Everyone"

November 7, 2003 206a
The KND investigate why people are getting mustaches. They end up showdowning the "head mustache", but they're in for a surprise of who's to blame.
19b 6b "Operation: O.O.M.P.P.A.H."

"Obnoxious Overzealous Male Parent Plays Annoying Horn"

November 7, 2003 206b
Numbuh 1's dad is grabbed by a fishing line along with other dads on the lake, and pulled up to some kid's house above the water. He decides that Numbuh 1's dad is his new dad, so Numbuh 1 battles it out with the sousaphone playing dork for his father.
20a 7a "Operation: G.H.O.S.T."

"Ghostly Hamsters Overwhelm Spooky Treehouse"

November 14, 2003 207a
When Sector V (except Numbuh 4) assists Chubbo's funeral, the ghost arrives at night, kidnapping Numbuh 3.
20b 7b "Operation: F.U.G.I.T.I.V.E."

"Facing Unpleasant Girl's Insulting Taunts Isn't Very Enjoyable"

November 14, 2003 207b
The KND try to find an escaped moonbase prisoner at the DCFDTL's mansion, but the boys are brought down with Numbuh 86's yelling and complaining.
21a 8a "Operation: T.H.E.-S.H.O.G.U.N."

"Terrible Huge Enemy – Steals Heaps Of Gorgonzola Using Ninjas"

November 21, 2003 208a
A new cheesy restaurant opens, but all the cheese is stolen. When Numbuh 2 tries to use his own cheese, he and Numbuh 4 are captured.
21b 8b "Operation: C.O.L.L.E.G.E."

"Concerned Operative Leaves Loafers Engaged Goofily Elsewhere"

November 21, 2003 208b
While the others have their day off, Numbuh 1 tries to rescue the ten-year-old accepted into college.
22a 9a "Operation: R.E.P.O.R.T."

"Ridiculous Exaggerations Possess Occasionally Real Truth"

December 5, 2003 209a
The KND each give an account of what happened to an ordinary package.
22b 9b "Operation: B.R.I.E.F."

"Big Reward If Enemy Finished"

December 5, 2003 209b
Numbuh 1's underwear is attacking him after finding out how careless children are with underwear.
23a 10a "Operation: C.A.K.E.D.-T.W.O."

"Commandos Attempt Kapturing Enemy Dessert – They Weren't Obliging"

December 12, 2003 210a
The KND take it to the skies to stop the DCFDTL's birthday cake.
23b 10b "Operation: S.P.A.C.E."

"Sister's Playful Anarchy Causes Emergency"

December 12, 2003 210b
After a spaceship crash caused by Numbuh 3's sister, the KND search an abandoned prisoner transport and discover that they're not alone.
24a 11a "Operation: B.E.A.C.H."

"Boys Enthusiastically Attempt Chivalrous Heroics"

May 21, 2004 211a
A king forces Numbuh 3 to marry him, but she agrees because she thinks they're pretending. Meanwhile, Numbuh 4 will fight King Sandy for Numbuh 3.
24b 11b "Operation: U.N.D.E.R.C.O.V.E.R."

"Unusual New Defector Eagerly Reveals Coffee Operation's Vital Enemy Relevance"

May 21, 2004 211b
The KND try to close down a coffee drilling rig with a surprising ally, Lenny, one of the DCFDTL. But he is actually a trap. BUT the KND know about all of this (except Numbuh 4), and have a surprise in store for the DCFDTL.
25a 12a "Operation: D.O.G.F.I.G.H.T."

"Duelling Over Gooey Frankfurters Invariably Gives Hoagie Trouble"

May 28, 2004 212a
Numbuh 2 is shot out of the sky by another pilot countless times, who he thinks is a threat.
25b 12b "Operation: T.R.I.P."

"Twins Reconnaissance Increases Peril"

May 28, 2004 212b
Numbuh 3 is followed by the ITFBTM (Interesting Twins From Beneath The Mountain), the cousins of the DCFDTL, when she goes to Japan, so they can infiltrate the Japanese KND headquarters.
26 13 "Operation: E.N.D."

"Everyone Nearly Decommissioned"

June 4, 2004 213
Number 86 arrives at the KND treehouse and captures Numbuh 2, 3, 4, and 5 for decommissioning. Numbuh 1, having previously eluded Number 86, immediately sets out to determine who's ordering the wrongful decommissioning of scores of KND operatives.

Season 3 (2004)

Codename: Kids Next Door season 3
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Original air date Production


27 1 "Operation: F.U.T.U.R.E."

"Female's Utopian Trap Unleashes Reprehensible Evil"

June 11, 2004 301
Numbuh 4 learns he is to be sent to a boarding school – but he isn't worried, as he's always escaped from them before. (Please someone help with the description here, it doesn't look "professional")
28a 2a "Operation: A.F.L.O.A.T."

"Agents Feared Lost On Awful Tide"

June 18, 2004 302a
The KND crashland into a sea of asparagus, and find out that they have more to worry about than staying afloat.
28b 2b "Operation: L.E.A.D.E.R."

"Lizzie Enthusiastically Assumes Daring Executive Role"

June 18, 2004 302b
Lizzie Devine takes over the KND, and puts herself in Numbuh 1's place.
29a 3a "Operation: U.T.O.P.I.A."

"Uncovering The Only Perfect Island Accidentally"

June 25, 2004 303a
Numbuh 1 discovers an island paradise populated by kids. Numbuh 1 finds a perfect island, with lots of candy, fun and no adults. However, thinking back it's obvious that something strange is happening.
29b 3b "Operation: R.O.B.B.E.R.S."

"Rather Ornery Bandits Burglarize Educationally Required Schoolwork"

June 25, 2004 303b
The Six-Gum Gang is stealing everyone's homework on a school bus.(Please someone help with the description here, it doesn't look "professional")
30 4 "Operation: F.O.U.N.T.A.I.N."

"Figure Out Unusual Nerd's Tantalizing And Impossible Necessity"

July 9, 2004 304
The DCFDTL kidnap the team's classmate, a nerdy, spit-talking girl named Leaky-Leona and force her to lead them to the dark underbellies of the school.
31a 5a "Operation: B.U.T.T."

"Blackmail Uncovers Titanic Tush"

July 16, 2004 305a
The DCFDTL plants Numbuh 1 from his swim trunks and get photos of his disproportionately huge buttocks. They black mail him with them.
31b 5b "Operation: T.R.A.I.N.I.N.G."

"Tiny Recruits Ambushed In Nefarious Invasion Need Guts"

July 16, 2004 305b
Tommy, Sonya and Lee find that the training simulations in the Arctic Base are real.
32a 6a "Operation: A.R.C.H.I.V.E."

"Ancient Recorded Children's History Is Very Enlightening"

July 23, 2004 306a
An archive is shown of the creation of adults, and their rebellion of children. Numbuh 1 narrates on how adults were created, how they took control, and families were made.
32b 6b "Operation: S.L.U.M.B.E.R."

"Stupid Little Undercover Mission Becomes Excitingly Romp"

July 23, 2004 306b
Numbuh 86 is having a top-secret girls only mission. Numbuh 4 is willing to find out what the mission is all about even if it means having to put on a little make up.
33a 7a "Operation: P.I.N.K.E.Y.E."

"Private Investigator's New Kase Extra Yucky Epidemic"

July 30, 2004 307a
Numbuh 2 investigates a pink eye outbreak in Gallagher Elementary in a noir style. A epidemic of conjunctivitis (pink-eye) has taken several victims.
33b 7b "Operation: K.A.S.T.L.E."

"Kuki And Sister Torpedo Loathsome Engagement"

July 30, 2004 307b
Numbuh 3 is forced to be married to King Sandy (again) when she is at a Rainbow Monkey theme park, but the others won't believe her.
34a 8a "Operation: C.A.K.E.D.-T.H.R.E.E."

"Commandos Attempt Kapturing Enemy Desert – They Have Real Extreme Eggravation"

August 6, 2004 308a
It's the DCFDTL's birthday once again, and as always, the KND go to rob their nemeses of their ever-delicious birthday cake.
34b 8b "Operation: L.O.C.K.D.O.W.N."

"Lurking Otherworldly Childhood Kalamity Delivers Ouchies When Naughty"

August 6, 2004 308b
Numbuh 5 tries to find an intruder in the KND treehouse. Numbuh 1 orders a complete lock-down of the treehouse but the enemy is already inside.
35 9 "Operation: G.R.A.D.U.A.T.E.S."

"Gargantuan Ray's Advance Decimates Unprepared And Terrified Escaping Soldiers"

August 6, 2004 310
The Code Module is recovered by Sector V in time for Tommy to graduate. (Please someone help with the description here, it doesn't look "professional")
36a 10a "Operation: H.U.G.S."

"Humongously Unwieldy Gorilla Showdown"

August 13, 2004 309a
Numbuh 4's disgust at anything Rainbow Monkey only increases when he finds himself trapped on Rainbow Monkey Island with a gargantuan.
36b 10b "Operation: J.E.W.E.L.S."

"Juvenile Escapes With Extremely Luscious Sweet"

August 13, 2004 309b
Numbuh 5 journeys to the exotic Al-Shugar Desert to recover her stolen candy, the Blurpleberry Supreme, and discovers she's not the only one searching for the powerful, mystical candy.
37a 11a "Operation: T.R.I.C.K.Y."

"Trivial Rival Instigates Candy Krazy Yearning"

October 29, 2004 311a
Numbuh 4 tries to get his candy back from Stickybeard on Halloween.
37b 11b "Operation: U.N.C.O.O.L."

"Undead's Nocturnal Craving Overtakes Operative's Love"

October 29, 2004 311b
The KND try to find Numbuh 78 in a treehouse infested with Nerd Zombies. *Note: Dexter from Dexter's Laboratory makes a cameo appearance as one of the hot-air balloons.
38a 12a "Operation: P.R.E.S.I.D.E.N.T."

"Protection Requires Extreme Skill Involving Democratic Elected Notable's Transportation"

November 5, 2004 312a
The KND try to get the Fourth Grade Class President to his Town Council meetings safely.
38b 12b "Operation: H.O.S.P.I.T.A.L."

"Hurt Operative Safely Protected In Totally Antiseptic Location"

November 5, 2004 312b
An important operative suffers an accident on a dangerous mission and is sent to the hospital. But one ex-KND member is out to scramblify his brain.
39a 13a "Operation: S.P.R.O.U.T."

"Sickening Produce Removal Operation Ultra Tricky"

November 12, 2004 313a
Numbuh 4 accidentally eats a brussels sprout, sending the rest of the KND on an emergency Fantastic Voyage to stop the dreaded vegetable from being digested.
39b 13b "Operation: H.O.U.N.D."

"Homework Obliterated Using Nefarious Dog"

November 12, 2004 313b
Numbuh 5 comes face to face with a vicious dog who is always eating her homework.

Season 4 (2004–05)

Codename: Kids Next Door season 4
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40a 1a "Operation: R.A.B.B.I.T."

"Rescue Aids Beloved Bunny In Trouble"

November 19, 2004 401a
Numbuh 2 and Numbuh 5 travel through the school jungle gym to help find the First Grade's missing pet bunny,
40b 1b "Operation: F.L.U.S.H."

"Foolish Loser Undoes Sinister Hopes"

November 19, 2004 401b
Mr. Boss, Knightbrace, Mr. Wink and Mr. Fibb and the Crazy Old Cat Lady are take over the treehouse of Sector V, and The Toiletnator tries to get rid of the KND for good, or so he thinks.
41a 2a "Operation: F.O.O.D.F.I.T.E."

"Fiendish Old Ogre's Disgusting Food Is Thrown Everywhere"

November 26, 2004 402a
The KND battle with Grandma Stuffum in the school cafeteria.
41b 2b "Operation: C.L.U.E.S."

"Cutlery's Location Uncovers Elementary Solution"

November 26, 2004 402b
Numbuh 3's family are invited to Numbuh 2's house, where Mrs. Gilligan is hoping to get a promotion out of this. Later it's revealed that the Rainbow Monkey is stabbed by a fork.
42a 3a "Operation: N.U.G.G.E.T."

"Numbuh Uncovers Glistening Golden Edible Treat"

December 3, 2004 403a
Numbuh 4 tries to protect chicken nugget mines from the DCFDTL.
42b 3b "Operation: M.A.C.A.R.R.O.N.I."

"Museum's Artwork Cruelly And Recklessly Ripped Off Nearly Impossibly"

December 3, 2004 403b
The KND try to protect the Macaroni Museum of Art from being ransacked, with the worst KND operative ever.
43 4 "Operation: P.O.O.L."

"Prevent Opposite Operative's Larceny"

December 10, 2004 404
Numbuh 4's new pool is actually a portal to an alternate version of the KND Universe where their counterparts known as the DNK (Destructively Nefarious Kids) are evil.
44 5 "Operation: C.A.K.E.D.-F.O.U.R."

"Children's Annual Kompetition Exposes Devilishly - For One Ultimate Race"

February 21, 2005 405
The KND tube race to get the DCFDTL's delicious birthday cake.
45a 6a "Operation: S.I.T.T.E.R."

"Sweetheart's Involvement Transforms The Evening's Reality"

April 29, 2005 406a
Numbuh 2's mom has to go out so she finds Cree to babysit Tommy and him.
45b 6b "Operation: S.A.T.U.R.N."

"Stuff Abducted Turns Up Revolving Nowhere"

April 29, 2005 406b
The KND try to stop a mysterious being from collecting all the Rainbow Monkeys in the world-- including Numbuh 3's beloved ones.
46a 7a "Operation: C.H.O.C.O.L.A.T.E."

"Candy Hunting Operative's Chocolatized Opponent Literally A Touchy Enemy"

May 6, 2005 407a
Numbuh 5 tries to stop Heinrich, now a chocolate monster (Recapping the aftermath of "Operation: R.A.B.B.I.T."), from destroying her friends.
46b 7b "Operation: M.A.T.A.D.O.R."

"Misbehaving Agent Teases Adults During Organized Recreation"

May 6, 2005 407b
Numbuh 4 must choose between his job as a KND operative or be a bully fighter.
47a 8a "Operation: L.U.N.C.H."

"Lizzie Underappreciates Nigel's Chowtime Hardworkingness"

May 13, 2005 408a
Lizzie feels that Nigel works too much during lunch, so she forces him to have lunch with her, but he can't work. Meanwhile, a group of lunch thieves and their leader Robin Food break into the cafeteria and start stealing everybody's lunches, including Lizzie and Numbuh 1's.
47b 8b "Operation: M.U.N.C.H.I.E.S."

"Morning Uncovers Needed Crunchiness Hidden In Enemy Store"

May 13, 2005 408b
The KND have run out of Rainbow Munchies, their favorite cereal, so they send out tennis-ball probes to find a box. They find it in Aisle Number 60-teen at the Supervillains Supermarket & Deli, but it is the last one the store has, and it's as popular with the bad guys as it is with the KND!
48a 9a "Operation: K.N.O.T."

"Kids Necks Overwhelmingly Tied"

May 20, 2005 409a
Numbuh 1 battles a group of snake ties with an adult against them.
48b 9b "Operation: C.L.O.S.E.T."

"Child Lost On Severely Elevated Tundra"

May 20, 2005 409b
The KND try to rescue a boy from a monster in the closet.
49 10 "Operation: S.N.O.W.I.N.G."<br

"Sickly Nigel Opposes Warped Incumbent's Nasty Grasp"

May 27, 2005 410
Jimmy Greenville (the fourth-grade president) forces other kids back into school on a first snow day for a special assembly after Numbuh 1 is too sick to play.
50 11 "Operation: M.A.U.R.I.C.E."

"Mature Agent Undergoes Reprogramming Into Childhood's Enemy"

July 8, 2005 411
Maurice, a member of the Kids Next Door is de-commissioned. Numbuh 5 is saddened by it, and suggests that they monitor Maurice to make sure the teenagers don't recruit him.
51a 12a "Operation: L.O.V.E."

"Little Operative Very Emotional"

July 15, 2005 412a
Numbuh 3 stars in a romantic musical as the lead girl. But when Numbuh 4 interrupts the play, it becomes a real war on stage between the DCFDTL and the KND.
51b 12b "Operation: C.O.U.C.H."

"Creepy Otherworld Under Cushiony Heap"

July 15, 2005 412b
Numbuh 4 tries to battle it out with an evil adult in his couch.
52a 13a "Operation: D.O.D.G.E.B.A.L.L."

"Dangerous Old Dude's Game Excellently Beats All Little Losers"

July 22, 2005 413a
Numbuh 4 tries to battle against the Dodgeball Wizard for his rank.
52b 13b "Operation: F.E.R.A.L."

"Friends Extract Really Ape-ified Leader"

July 22, 2005 413b
Numbuh 1 and Sector V are on Rainbow Monkey Island trying to take "The Code" from the Delightful Children.

Season 5 (2005–06)

Codename: Kids Next Door season 5
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53 1 "Operation: E.L.E.C.T.I.O.N.S."

"Enemy Launches Evil Campaign To Inflame Our Noble School"

September 30, 2005 502
The KND are up against more than they bargained for when they try to prevent the DCFDTL for dashing the school elections, especially when the situation involves 8th graders.
54a 2a "Operation: D.U.C.K.Y."

"Dirty Unwashed Captain's Kowardly Yacht"

October 14, 2005 503a
Tommy embarks on a journey with a cowardly cleanliness-fearing captain in the bath waters.
54b 2b "Operation: D.I.A.P.E.R."

"Drooling Infants Awarded Perilous Emergency Rescue"

October 14, 2005 503b
The KND go to rescue babies from the hospital to protect them from becoming automatic adults. Numbuh 5 thinks the others are insane and tries to bring them back, but the babies themselves have other plans.
55a 3a "Operation: B.U.L.L.I.E.S."

"Big Ugly Lunks Like Intimidating Entrapped Scaredycats"

October 21, 2005 504a
Numbuhs 2 and 4 try to escape from an island inhabited by bully monsters.
55b 3b "Operation: F.I.S.H.Y."

"Feline Invaders Swarm Headquarters Yearningly"

October 21, 2005 504b
Numbuhs 2 and 4 travel to a certain place in the treehouse to give Numbuh 3's goldfish a proper funeral, while Numbuhs 1 and 5 try to win her a new one from a rigged carnival game.
56a 4a "Operation: B.R.E.A.K.U.P."

"Boys Ruin Everything And Kreate Upset People"

October 28, 2005 505a
Numbuh 4 uncovers a game in which priceless vases are broken.
56b 4b "Operation: S.A.F.A.R.I."

"Shots Are Fired At Rear Incessantly"

October 28, 2005 505b
Numbuh 1 tries to flee from a doctor who wants to cure his moosebumps.
57 5 "Operation: N.A.U.G.H.T.Y."

"Ninnies Almost Undo Greatest Holiday This Year"

December 16, 2005 501
The KND try to save Christmas when the DCFDTL frame them for the theft of a gift-creating contraption called the "REINDEER System" created by Santa.
58a 6a "Operation: V.I.R.U.S."

"Very Icky Research Under Sea"

January 13, 2006 506a
Numbuh 5 tries to save her sister Cree from a contagious disease that KND have made in revenge for creating chicken pox.
58b 6b "Operation: O.U.T.B.R.E.A.K."

"Overflowed Undersea Treehouse Bears Really Extra Awful Kontamination"

January 13, 2006 506b
The KND try to close up a virus being spread in a KND undersea laboratory.
59a 7a "Operation: C.A.N.Y.O.N."

"Clear Area Need You Out Now"

January 20, 2006 507a
The KND try to make a present for the Global KND anniversary.
59b 7b "Operation: H.O.L.I.D.A.Y."

"Hamsters On Leave In Disastrous Airline Yarn"

January 20, 2006 507b
Numbuhs 2 and 3 try to guide a plane full of hamsters. Meanwhile, Lizzie is jealous of a girl Numbuh 1 is hanging out with, and races over to try and keep Nigel from "dating" her.
60 8 "Operation: C.A.K.E.D.-F.I.V.E."

"Centuries After Kalamity Enemy Dessert – Found In Void's Emptiness"

April 14, 2006 508
Once again, a special birthday cake is being made for the Delightful Children from Down the Lane. The KND take a trip to the Alamode where tour guide Numbuh 50 Million B.C. tells them about the 1800s KND operatives who were determined to steal the Annoyingly Cute Triplets Who Lived Upon the Hill's Birthday Cake, a delicious cake made by their mother. But in their attempt to get the recipe, an ice cream trap was set off, freezing over 5000 KND Operatives. It took 10 years to thaw them out, and all were decommissioned since they were technically too old to be KND. All were found except Numbuh 19th Century, the operative sent in to get the recipe and set off the trap, until the current KND recently discovered him. After being thawed out, he's confused by the new modern era, especially with the fact there are now girls in the KND.Guest voice: Josh Peck as Numbuh 50 Million B.C.
61a 9a "Operation: R.E.C.R.U.I.T."

"Really Excitable Child Rookie Undergoes Impossible Test"

June 9, 2006 509a
A boy named Bobby tries to get through a training program with flying colors.
61b 9b "Operation: D.A.D.D.Y."

"Dastardly Adult's 'Do Degrades Youngsters"

June 9, 2006 509b
Numbuh 1, Numbuh 83, and Numbuh 84 try to save a kid named Shaunie, Numbuh 86's brother, from getting a haircut from his father. Unfortunately, they end up in combat with Shaunie's dad, who is none other than Mr. Boss.
62a 10a "Operation: C.L.O.W.N."

"Curmudgeon's Lackeys Outlaw Wacky Nonsense"

July 7, 2006 510a
A clown tries to get Numbuh 2, as he plays lots of jokes.
62b 10b "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"

July 7, 2006 510b
Numbuh 3's sister, Mushi tries to get revenge on Numbuh 2 after being grounded for life for transferring Count Spankulot's power onto her Rainbow Monkey.
63a 11a "Operation: H.O.T.S.T.U.F.F."

"Hands Off Thermostat Says The Upset Father Furiously"

July 14, 2006 511a
Numbuh 3 is cold, so she turns up the heat even though she is not allowed by her father. But it gets so warm, the KND have to turn down the heating before Numbuh 3's house explodes. Meanwhile, Numbuh 4 watches over Mr. Sanban.
63b 11b "Operation: M.I.S.S.I.O.N."

"Many Incarcerated Scoundrels Secretly Implement Operative's Needs"

July 14, 2006 511b
Numbuh 4 releases Mr. Boss, Stickybeard, Count Spankulot, and Soccer Mom from their cells. At his home he gives them sodas which he tricks them into thinking that they were poisoned, and tells them that he'll give them the antidote if they beat his dad in a bowling tournament.
64a 12a "Operation: L.I.C.O.R.I.C.E."

"Lost Island's Crop Of Red Irreplaceable Candy Endangered"

August 11, 2006 512a
Heinrich comes back, but this time needs to be saved by Numbuh 5 as she recruits Stickybeard and his band of candy pirates to help her rescue Heinrich from Black John Licorice and his pirates.
64b 12b "Operation: H.O.M.E."

"Hardly Ordinary Monkey Estate"

August 11, 2006 512b
Numbuh 3 takes her "My First Rainbow Monkey" to a Rainbow Monkey Retirement Home. But it seems to be more than what it appears to her and Numbuh 5.
65 13 "Operation: I.T."

"Indecisive Time"

August 25, 2006 513
Every year, the KND choose someone to be "IT" which involves a game of tag to choose the next Supreme Leader, so Numbuh 362 sets up the game after she decides to resign after being tired of the job. But when Numbuh 2 accidentally tags Father, he becomes Supreme Leader. Now, it's up to Numbuh 1 and Numbuh 362 to stop him before he wipes out the entire KND.

Season 6 (2006–07)

Codename: Kids Next Door season 6
No. in


No. in



Extended acronym

Original air date Production


66 1 "Operation: S.A.F.E.T.Y."

"Senator Attacks Foes Endangering Today's Youth"

September 8, 2006 601
When a kid-friendly minister receives a funding of approximately eleven-billion dollars, he uses it to build an army of Safety-bots, to make the world a safe place for children. But the robots grow more and more extreme in their actions, eventually planning to eliminate adults, and cover the Earth in bubble wrap.
67a 2a "Operation: E.N.G.L.A.N.D."

"Evidently Not Getting Language Annoys Nigel Desperately"

August 4, 2006 602a
When Numbuh 1 is taken to England, someone gives him a book, resulting in Numbuh 1 getting followed by 3 kids.
67b 2b "Operation: A.W.A.R.D.S."

"Attack Will Amazingly Ruin Dinner Show"

August 4, 2006 602b
Sector V attempts to sabotage the Villain's Choice Awards.
68a 3a "Operation: R.E.C.E.S.S."

"Recreation Ended 'Cuz Enemies Savor Salad"

September 22, 2006 603a
When salad oil is discovered in the school playground, Numbuh 1 must find a way to save recess, while still keeping a promise to Lizzie.
68b 3b "Operation: H.A.M.S.T.E.R."

"Hungry Archenemy Meowers Strike To Entrap Rodents"

September 22, 2006 603b
While the team is off on their recess-rescuing mission, the hamsters are attacked and captured by the Sinister Felines from Atop the Litterbox, but end up battling the Hamsters Next Door.
69 4 "Operation: W.H.I.T.E.H.O.U.S.E."

"What Happens If The Existing Head Of United States Escapes"

September 29, 2006 604
Numbuh 1 wakes up to discover that he is the president of the United States in another reality, who is about to sign the Bill of No Rights For Kids.
70a 5a "Operation: S.P.I.N.A.C.H."

"Salad Pushing Invaders Now Attempt Crusade Here"

January 5, 2007 605a
Amerigo Vespinaccio tries to spread spinach throughout the school, and it's up to Sector V to stop him.
70b 5b "Operation: M.E.S.S.A.G.E."

"Make Express Shipment Safely Avoiding Gummy Enemies"

January 5, 2007 605b
Numbuh 2 attempts to deliver the fourth grade president's message.
71a 6a "Operation: B.R.I.D.G.E."

"Before Really Incredible Destruction Gotta Evacuate"

January 12, 2007 606a
Numbuh 20,000 and his Squid Squad work with Sector V to destroy the bridge leading into Le Sissie, a store in the mall that sells horrible back-to-school clothes for kids.
71b 6b "Operation: S.I.X."

"Soda Is X-changed"

January 12, 2007 606b
Numbuhs 2, 3, and 6 are tricked and must get a truckload of soda to a girl's birthday party and keep Mr. Fizz and Lieutenant Seltzer from getting the soda.
72 7 "Operation: T.R.I.C.Y.C.L.E."

"Tommy's Ride Is Calamity You Can't Let Escape"

January 19, 2007 607
Tommy loves Numbuh 2's cruddy, old tricycle but gets laughed at when the other kids see him riding it. Using his 2x4 technology expertise, Tommy rebuilds it into the "Best Bike in the Whole World", but the bike turns evil trying to impress Numbuh 2.
73a 8a "Operation: C.R.I.M.E."

"Crayon Renderings Implicate Mostly Everyone"

January 26, 2007 608a
When Gallagher Elementary students are being arrested by the School Safety Patrol for crimes they are envisioned to commit, including detective Numbuh 2, it's up to Numbuh 3 to investigate a psychic member of the School Safety Patrol while trying to finish her social studies homework.
73b 8b "Operation: P.A.R.T.Y."

"Party Animals Rule Teens Yell"

January 26, 2007 608b
With Father away for the day, The DCFDTL invite Cree and the teenagers to their mansion to plan a new strategy against the Kids Next Door, but instead, the teenagers turn it into a wild house party, leaving the DCFDTL to call Sector V for help.
74a 9a "Operation: D.O.G.H.O.U.S.E."

"Desperate Operative Grabs Homework Outta Unusually Spooky Environment"

June 1, 2007 609a
Numbuh 5 goes into the Haunted Doghouse to get Sector V's cinder block back, but later comes out with different results.
74b 9b "Operation: P.L.A.N.E.T."

"Poor Little Astronauts Never Expected This"

June 1, 2007 609b
Numbuhs 3 and 4 are launched into space to break the "Ridiculous" space barrier, but black out in mid-flight and wake up on a world ruled by anthropomorphic, talking Rainbow Monkeys.
75a 10a "Operation: S.C.I.E.N.C.E."

"Sooper Cool Inventions Encourage New Commercial Enterprises"

November 2, 2007 610a
This episode illustrates a day at the annual kids' 2x4 tech science fair. Numbuh 2 is present, shoving his "I Can't Believe It's Not Booger" product down the judges' throats.
75b 10b "Operation: A.M.I.S.H."

"All Machines Illegal Seethes Hoagie"

November 2, 2007 610b
Continues from Operation: S.C.I.E.N.C.E.. Sector V sends Numbuh 2 into hiding at an Amish sector to his extreme dismay.
76 11 "Operation: G.I.R.L.F.R.I.E.N.D."

"Guess It's Realistic Lizzie Finally Realizes Its Essentially Nigel's Dysfunctions"

November 9, 2007 611
Lizzie's always had to compete with the Kids Next Door for Nigel's attention, and she thinks Nigel has found a new girlfriend. but now it seems she has a rival for his love!
77a 12a "Operation: C.A.R.A.M.E.L."

"Candies Are Really Altering Many Extraordinary Lives"

November 16, 2007 612a
Heinrich uses a ritual involving sacred golden caramels to take away the qualities the Sector V operatives value the most. (Numbuh 1's leadership, Numbuh 2's intellect, Numbuh 3's giddiness, Numbuh 4's toughness, and Numbuh 5's Coolness) Numbuh 5 eventually teaches Heinrich that he needs to share his candy to revert to his original form, She is then seen leaving with a young Blonde girl.
77b 12b "Operation: M.O.O.N."

"Moving Out Of Neighbourhood"

November 16, 2007 612b
Adults send Numbuh 4's family to the Moon to colonize it. But Sector V diverts the colony to Hollywood, where they stage a fake colonization, tricking the Beatles family and the adults at mission control to prevent them from discovering the KND Moonbase.
78 13 "Operation: T.R.E.A.T.Y."

"Teens Readily Extend Armistice To Youngsters"

December 7, 2007 613
The KND and the Teens are about to sign the "You don't mess with us-We don't mess with you" Kid-Teen treaty. It is going to be signed by Numbuh Infinity (KND and the Teens leader), but it turns out to be a trap for the KND, making Numbuhs 1 and 274 set out to prevent it after being falsely convicted by the KND.

Movies (2006–08)

Codename: Kids Next Door movies
"Operation: Z.E.R.O."

"Zero Explanation Reveals Origins"

The villains of the Kids Next Door, led by Benedict & Uno, join forces to resurrect the Ultimate Evil, Grandfather, a tyrant who once ruled the world many years ago when most of the villains were themselves kids.
"Operation: I.N.T.E.R.V.I.E.W.S."

"It's Now The Extra Really Very Interesting End Wrap-Up Story"

In live-action interviews, Numbuhs 2-5 are re-commissioned as adults and tell what happened to Numbuh 1 on the final mission.

Special (2007)

Codename: Kids Next Door special
Title Original air date Production


"The Grim Adventures of the KND" November 11, 2007 S01
(Please someone edit this to reveal less spoilers for new fans or people who hasn't seen it)

A crossover with The Grim Adventures of Billy and Mandy. While Billy's Dad is underwear shopping, Billy wears his dad's lucky pants, and accidentely rips them with Grim's scythe. He calls Ed, Edd n Eddy, and they recommend Kids Next Door for charity. Numbuh 1 disguises as Billy while Billy is taken to the Deep Sea Lab. Mandy arrives at Billy's house and knows Numbuh 1 is not Billy, and tortures him into revealing the truth. Meanwhile, the Delightful Children From Down the Lane and Billy accidentally fuse with the scythes power to create the Delightful Reaper, and Mandy takes over the KND by fooling Numbuh 362 and the rest of the operatives. Now its up to Numbuh 1 and the Grim Reaper to save KND and stop Mandy and the Delightful Reaper.

G:KND Episodes

Although G:KND is not canon yet, i'll be sure to update this page if it is approved by Cartoon Network.