Seasons & episodes

Kenny and his pet chimpanzee are asked by a mad scientist to watch over his collection of samples of deadly diseases.

S0 · E2No P in the O.O.L. 2001-07-20 · 7 min＋

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. Numbuh One suggests employing the Kid-A-Pault, a Kid's Next Door weapon to put an end to this tyranny...But their plan fails, leaving them to find other means of battling Mr Wink and Mr Fibb.

S0 · E3Operation: Z.E.R.O. 2006-08-11 · 73 min＋

The enemies of the Kids Next Door, led by Father, 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. When Grandfather uses his reality-warping powers to reconquer the world and transform every human on the planet into his obedient "Senior Citi-Zombies" slaves who are forced to make Tapioca to refuel Grandfather so he can find and destroy the Book of K.N.D. The Kids Next Door are quickly overrun and transformed. It falls upon Numbuh 1 to locate the KND's only hope for salvation, the legendary hero Numbuh 0. In the process, Numbuh 1 learns some startling revelations about the origins of the KND, his arch-enemies Father and the Delightful Children From Down The Lane, and even his own family history.

S0 · E4The Grim Adventures of the Kids Next Door 2007-11-11 · 23 min＋

No episode summary available yet.

S0 · E5Operation: I.N.T.E.R.V.I.E.W.S. 2008-01-21 · 44 min＋

The show starts off with a live-action interview of Abigail Lincoln (now Abigail Gilligan) (Numbuh 5) and the rest of Sector V. Even though they are now adults, they are told by an unnamed, unseen interviewer that the effects of decommissioning have been temporarily reversed so they could be interviewed on their final mission.

The Kids Next Door attempt to stop a party for their enemies.

Kenny and Chimpy are hired to do chores.

Mr. Wink and Mr. Fibb extend adult swim time.

S1 · E4Operation: I.-S.C.R.E.A.M. 2002-12-06 · 11 min＋

The Kids Next Door set off on a mission to the ice cream factory.

S1 · E5Operation: C.A.N.N.O.N. 2002-12-06 · 11 min＋

With Numbuh One away, the Treehouse becomes an easy target for adults

The hamsters that power the Treehouse go on vacation, leaving the team vulnerable.

The Kids Next Door are put in the crosshairs of Knightbraces.

Stickybeard and his crew sniff out the Kids Next Door's candy depository.

The team meets the last member of another era's Kids Next Door.

When turnips are found everywhere in Sector V's treehouse, they go to the source: a giant turnip, to defeat it.

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.

When his father brings Numbuh 4 to work for "Bring Your Daughter To Work Day", Numbuh 4 discovers his father's boss plans to send him and all the daughters of his coworkers to Pluto.

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. It turns out that he was not helping, because he sent them the wrong directions, ignored their cries for help, and sent a missle to attack them.

The Delightful Children From Down The Lane attack Sector V's headquarters with an infestation of hair-eating lice. After the KND find out they don't like nacho cheese, they decide to shoot nacho cheese at them to get rid of them.

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.

A fly finds its way into Sector V's headquarters.

All of the teenagers in Sector V's hometown have formed a place called The Point, and Numbuh 1 suspects that they are helping the adults.

A villainous half-man, half-baby named Mr. B gives the Kids Next Door a television series of their own.

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