S1 E1 • Operation: C.A.K.E.D.

The Kids Next Door attempts to stop a birthday party for their arch-enemies, the Delightful Children From Down The Lane. But a surprise, and a monstrous guest stands between them and the greatest birthday cake ever.

Première diffusion : 1 novembre 2002

S1 E2 • Kenny and the Chimp

A little kid named Kenny takes Chimpy to Professor XXXL's lab. While the Professor suspects Kenny will knock open the mysterious disease containers, it is actually Chimpy who causes the havoc.

Première diffusion : 1 novembre 2002

S1 E3 • No P in the OOL

When the villainous Mr. Wink and Mr. Fibb extend the adult swimtime to extreme lengths at the neighborhood pool, the Kids Next Door plan to strike back with a vengeance.

Première diffusion : 6 novembre 2002

S1 E4 • Operation: N.O.-P.O.W.U.H.

When Numbah 3 releases the hamsters powering the treehouse, Grandma Stuffums attacks! Will the Kids Next Door be able to fend off this foody fiend?

Première diffusion : 13 décembre 2002

S1 E5 • Operation: T.E.E.T.H.

When the KND get attacked by Knightbrace on the way to the candy store, they must use the evil dentist's own abilities against him!

Première diffusion : 13 décembre 2002

S1 E6 • Operation: I.-S.C.R.E.A.M.

Adults are running around with ice cream trucks. But dont give any ice cream to the kids. So the Kids Next Door bust them up and get the password for the ice cream headquarters, then are soon confronted with the delightful children from down the lane...

Première diffusion : 6 décembre 2002

S1 E7 • Operation: C.A.N.N.O.N.

Numbuh 1 has to go to a park with his parents one day and leaves the other 4 Kids Next Door to watch the place. Soon the Kids Next Door are bombarded with evil dooers including the evil kids. Later on that day after the delightful children from down the lane are told to go back home Numbuh 5 accidently suggests making a huge cannon. Numbuh 4 claims the roll of the leader then after alot of attempts on making the other kids make a cannon, they finally do it...

Première diffusion : 6 décembre 2002

S1 E8 • Operation: P.I.R.A.T.E.

Stickybeard and his candy-stealing pirates invade the Kids' tree fort, stealing all their candy... including Numbuh 5's secret stash, and Numbuh 5! Can the rest of the kids recover their teammate and their candy?

Première diffusion : 20 décembre 2002

S1 E9 • Operation: C.O.W.G.I.R.L.

The Kids Next Door are on the run from Fibb and Wink (from the pilot ""No P in the OOl""), when they're rescued by Lasso Lass, the only member of the original anti-adult super squad ""The Cowboy Kids' Club"" who's grown old, but not grown up. She offers to help the Kids recover Fibb and Wink's secret weapon (""The Dome""), but can the kids trust an adult, even one who's still a kid at heart?

Première diffusion : 20 décembre 2002

S1 E10 • Operation: T.U.R.N.I.P.

When the KND headquarters are flooded by turnips, the gang must travel to the source where they meet an evil monster turnip who has big plans!

Première diffusion : 27 décembre 2002

S1 E11 • Operation: M.I.N.I.G.O.L.F.

When Numbuh 2 challenges mini golf champ Rupert Puttkin to a match but soon realizes Rupert has another plan in his golfbag!

Première diffusion : 27 décembre 2002

S1 E12 • Operation: O.F.F.I.C.E.

Numbuh 4 reluctantly accompanies his dad to work uncovers a scheme including Rainbow Monkeys and screaming girls plus a one way trip to Pluto!

Première diffusion : 3 janvier 2003

S1 E13 • Operation: A.R.C.T.I.C.

The Kids Next Door journey to to the artic and hope to uncover a weather control device from a mad scientist who wants to put an end to snowy days.

Première diffusion : 3 janvier 2003

S1 E14 • Operation: L.I.C.E.

Numbuh 5 goes on a secret mission to find nachos at the delightful children from down the lane's house, when her hat gets lost. She quickly recovers it and hurriedly runs to the KND headquarters, she then starts itching her head alot and lice comes out of her hat! But it's not really her hat her other hat is with the delightful children from down the lane. The Lice start to take over. The only way to get rid of them is with nacho cheese.

Première diffusion : 10 janvier 2003

S1 E15 • Operation: L.I.Z.Z.I.E.

Numbuh 1 has a secret girlfriend who is bent on mind controling him! So, Numbuh 1's friends have to save Numbuh 1 from being mind controlled or their days as KND could be numbered.

Première diffusion : 10 janvier 2003

S1 E16 • Operation: T.H.E-F.L.Y.

A fly finds it's way into the KND headquarters and gets five different reactions form Numbah 1, 2, 3, 4 and 5.

Première diffusion : 17 janvier 2003

S1 E17 • Operation: P.O.I.N.T.

All the teenagers in the KND's hommetown have formed a group called The Point and Numbah 1 suspects that they are helping the parents. So, the KND stage a raid at the Point's secret headquarters and are horrified at what the see.

Première diffusion : 17 janvier 2003

S1 E18 • Operation: C.A.B.L.E.-T.V.

The kids are chosen to star in a show on a 'kid-centric' network.

Première diffusion : 24 janvier 2003

S1 E19 • Operation: C.A.M.P.

Can Numbuh 1 stop a camp counselor without the help of 2 and 3? Probably not...

Première diffusion : 24 janvier 2003

S1 E20 • Operation: T.O.M.M.Y.

Numbuh 2's little brother will do anything to hang out with his big brother, even if that means forming an alliance with the Common Cold.

Première diffusion : 7 février 2003

S1 E21 • Operation: C.H.A.D.

When operatives from the KND international organization are neutralized by Mega Mom and Destructo Dad, The KND team up with the legendary operative Numbuh 274 to "" ground the powerful parental enemies.

Première diffusion : 7 février 2003

S1 E22 • Operation: P.I.A.N.O.

Operation P.I.A.N.O.: Numbah 4 discovers a shipment of type P kid torcher devices, thats right pianos! On the mission he is impatient to destroy the pianos hurt badly. Then an ambitious hamster takes his place temporarily and makes a very effective plan to destroy the final piano until a jelous Numbah 4 ruins it.

Première diffusion : 21 février 2003

S1 E23 • Operation: Z.O.O.

The kids of the town are captured by an evil zoologist who tags them and puts them in cages. Now if they want to escape the need to work along with the Delightful Children!

Première diffusion : 21 février 2003

S1 E24 • Operation: Q.U.I.E.T.

What a time for every single villain, they ever faced, to invade the tree house -- at night, when Numbuh 5 is trying to keep things quiet for Numbuh 1 to sleep!!!

Première diffusion : 28 février 2003

S1 E25 • Operation: R.A.I.N.B.O.W.S.

Numbuh 3 learns that her Rainbow Monkey dolls are based on real creatures and plans on finding them at the Rainbow Monkey Island.

Première diffusion : 28 février 2003

S1 E26 • Operation: G.R.O.W.-U.P.

The frustrated Delightful Children from down the lane turn to there Father for help destroying the KND, who are almost defeated. With their leader gone, treehouse destroyed and faith shattered the KND are forced into a showdown with their most dangerous foe ever.

Première diffusion : 7 mars 2003