13 ตอน
1. Operation: L.I.C.E.
1. Operation: L.I.C.E.
The Delightful Children from Down the Lane infect the Kids Next Door's treehouse with a strain of lice. Breeding rapidly, the insects take over and the Kids Next Door must battle the queen louse to de-bug their beloved headquarters.
2. Operation: L.I.Z.Z.I.E.
2. Operation: L.I.Z.Z.I.E.
Numbuh One has a secret girlfriend bent on making him a slave to her affections. But when her advances threaten to break up the Kids Next Door, Numbuh One's teammates must derail the love train.
3. Operation: P.O.I.N.T.
3. Operation: P.O.I.N.T.
The Kids Next Door learn the neighborhood teenagers are going to a secretive locale, which Numbuh One suspects houses an adult training facility. The Kids Next Door stage a raid only to be horrified at what the teenagers are really doing.
4. Operation: T.H.E.-F.L.Y.
4. Operation: T.H.E.-F.L.Y.
A pesky fly finds its way into the Treehouse and garners five different reactions from the Kids Next Door operatives.
5. Operation: C.A.B.L.E.-T.V.
5. Operation: C.A.B.L.E.-T.V.
A kid's cable network executive believes the Kids Next Door would be perfect for their own show on his kid-centric network. But when the exec's nefarious motives are revealed, the Kids Next Door decide not to follow the program.
6. Operation: C.A.M.P.
6. Operation: C.A.M.P.
Numbuh One suspects the neighborhood kids shipped off to summer camp are being brainwashed by the camp's evil commander. His daring rescue mission hits a snag when Numbuh Two and Numbuh Three suddenly have new priorities.
7. Operation: C.H.A.D.
7. Operation: C.H.A.D.
When operatives from the Kids Next Door International Organization are neutralized by Mega Mom and Destructo Dad, the Kids Next Door team up with the legendary operative Numbuh 274 to ground the powerful parental enemies.
8. Operation: T.O.M.M.Y.
8. Operation: T.O.M.M.Y.
Numbuh Two's little brother, Tommy, will do anything to hang out with his big bro, even forming a dreadful alliance with a villain who threatens to put the team in sick bay!
9. Operation: P.I.A.N.O.
9. Operation: P.I.A.N.O.
When an overzealous Numbuh Four disregards orders and injures himself during a mission to destroy kid torture devices, the other Kids Next Door welcome his replacement, an extremely ambitious hamster.
10. Operation: Z.O.O.
10. Operation: Z.O.O.
A demented children's zoo owner captures the Kids Next Door for her kid exhibit and the Kids Next Door's only chance to escape means cooperating with their sworn enemies, the Delightful Children from Down the Lane.
11. Operation: Q.U.I.E.T.
11. Operation: Q.U.I.E.T.
When an exhausted Numbuh One takes a much needed nap, practically every villain known to the Kids Next Door attacks the Treehouse. The rest of the team fights the quietest battle ever to keep from waking their leader.
12. Operation: R.A.I.N.B.O.W.S.
12. Operation: R.A.I.N.B.O.W.S.
When Numbuh Three discovers her beloved Rainbow Monkey dolls are based on real animals, she travels to exotic Rainbow Monkey Island with the mysterious Mr. Mogul, who has plans of his own for the innocent simians.
13. Operation: G.R.O.W.-U.P.
13. Operation: G.R.O.W.-U.P.
The Delightful Children from Down the Lane turn to Father for help in destroying the Kids Next Door. With their leader gone, their Treehouse destroyed and their faith shattered, the Kids Next Door are forced into a dangerous showdown.
