Numbuh 4 accidently destroys Numbuh 3's favorite toy, and then lands himself in the clutches of the creepy old cat lady and her billions of cats! Will his fellow operatives save him? And will Numbuh 3 forgive him in time TO save him?

Numbuh 5 is sick at home with the flu, and Numbuhs 1 and 2 take it upon themselves to protect her from the enemy. While at her house, her father lets it slip that teenage sister Cree is wearing a training bra! Ever suspisious of teenagers, Numbuh 1 figures that this odd device must be "Battle Ready Armor", and becomes determined to discover the workings behind it. But when the two of them are discovered, can even the Kids Next Door survive the wrath of a humiliated teenager?! And could there be more than meets the eye in this lingerie liason?

While on a fishing trip with his overbearing, sousaphone-playing father, Numbuh 1 has to rescue him from a kid seeking a father of his own.

It is a sad day in the treehouse, when Chubbo, one of the KND's power-providing hamsters passes away; and it is saddest for the overly sensitive Numbuh 3, who even maintains a vigil at his grave until the weather proves inclement. But unwise is the one who mourns too long for the dead, because during the dark and stormy night, a gang of ghostly hamster arrive, and drag the terrified Three to the hamster afterlife! Now the team must penetrate the very netherworld to rescue their friend, but can even the KND overcome a mob of restless rodents?!

The Delightful Children put out a contract on Numbah One's head, and send the most unlikely of assassins - the sentient pair of underpants known as Mr. White! Unfortunately, his attacks make the team think that their leader has gone loco! Can Numbah One survive the assault of this unruly underwear? And is there more to this pair of beastly briefs than meets the eye?

The KND take a vacation to the beach (and Numbuh 1 promptly leaves, since he hates the place), where Numbuh 3 is quickly kidnapped by the armored Kinights of the Round Towel, who drag her before King Sandy, a miniature monarch who quickly falls in love with her! Naturally, the concerned Numbuhs 4 with Numbuhs 2 and 5 confronting the beachcombing brat in his enormous sandcastle... but they are soon overwhelmed. Can the KND topple this tiny tyrant before high tide?

When Numbuh 1 is fishing with his dad, Numbuh 86 and her group appear and tell him that he's been scheduled for a decommissioning! Although he escapes, his teammates are taken to be decommissioned, so he has to enlist the help of Numbuh 2's little brother Tommy to try and save them! Unfortunatly, he is too late, but can he still save the Moon Base from a fiery demise?

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. But then he learns that the school is being run by the evil child Madam Margie, a girl who is getting high-tech aid from none other than her future self! Madam Margie's abominable plan is to create a twisted utopia where girls rule the world, using a demonic weapon called the girlifying ray that can turn anything feminine! The team seeming doesn't stand a chance until they recieve aid from a strange source Numbuh 4's OWN future self!

Feeling that Numbuh 1 must take a day off, the team force him to go to the beach, telling him to have fun or else. Nigel makes an honest attempt - until a crab swipes his swim trunks! After suffering a great amount of public embarrassment, 1 makes his way back to the Treehouse... and minutes later, walks out of his room to tell his terrified team that he's resigning from the Kids Next Door! After he leaves, the purpose becomes quite clear... an envelope is found in his room from the Delightful Children, with a picture of his tush and a note saying ""Leave your team behind or we'll put your behind in the school yearbook."" Now Numbuh 1 is heading for Delightful Manor, where the evil peeping toms desire to make him one of them! Can the team save their leader from the sadistic shutterbugs?!

Numbuh 3 takes her little sister Mushi for a ride through the Rainbow Monkey Sugar Coated Castle of Love, but what promises to be a day of fun is ruined when King Sandy and his knights attack! The insane sovereign has never given up in his quest to marry Numbuh 3, and he threatens to destroy the Rainbow Monkeys unless Kuki agre

Numbuh 4 tries to get his candy back from Stickybeard on Halloween.

Numbuh 5 takes on a vicious dog who is always eating her homework.

Numbuhs 2 and 5 must rescue the first grade class's pet rabbit before it is turned into a chocolate bunny by Heinrich Von Marzipan.

The KND are dismayed to discover that Grandma Stuffum is the new cafeteria lunch lady and she's got some pretty nasty recipes to foist on her pint-sized nemeses.

Numbuh 4's newly-installed backyard pool is the portal into an alternate dimension where everything is the opposite of everything in the real world.

The brothers Gilligan have gotten a new babysitter: the villainous Cree Lincoln! For Numbuh 2, this will either be a dream come true or a nightmare.

The KND discover that they're out of Rainbow Munchies cereal, so they try to go to a grocery store to get some more. But the only grocery store that sells such a product is the villains-only store called the Super-Villains Supermarket & Deli.

Numbuh 1 is sick in bed with a cold on a snow day. Even worse, the villainous Fourth Grade President is determined to bring the children, who are all taking advantage of the snow day, to school for a special assembly.

An operate named Maurice is decommissioned from the Kids Next Door after he attains the age of 13. He has been working on a cure for chicken pox. The one who is saddened the most by his departure is Numbuh 5, so she suggests that they keep an eye on him so that the teenagers don't recruit him.

The powerful Dodgeball Wizard believes that adults are better at playing dodgeball than kids, so when he learns of "the one called Beetles," a kid who is a greater dodgeball player than he is, he becomes determined to destroy his rival. And that rival is, apparently, Numbuh 4!

We don't have an overview translated in English. Help us expand our database by adding one.

We don't have an overview translated in English. Help us expand our database by adding one.

We don't have an overview translated in English. Help us expand our database by adding one.

We don't have an overview translated in English. Help us expand our database by adding one.

We don't have an overview translated in English. Help us expand our database by adding one.

We don't have an overview translated in English. Help us expand our database by adding one.

Numbuh 362 becomes frustrated with all the work involved with being Supreme Leader of the Kids Next Door, so she decides to give up her position. But everything goes horribly wrong when Father takes her place!

We don't have an overview translated in English. Help us expand our database by adding one.

We don't have an overview translated in English. Help us expand our database by adding one.

We don't have an overview translated in English. Help us expand our database by adding one.

We don't have an overview translated in English. Help us expand our database by adding one.

We don't have an overview translated in English. Help us expand our database by adding one.

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.