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!

The Team attempts to crash the Annual We Hate The Kids Next Door Barbecue, only to find that the party has far more villains than they can handle! The team flees in their M.E.G.A.R.A.G.E aircraft, but Stickbeard and his band of buccaneers do not give up pursuit! When their craft is shot down by the Sweet Revenge, they land in the worst of places - in the middle of the ocean, in a disgusting sargasso of asparagus! Stranded, lost, with no edible food, a bad situation gets much worse when they are found by a great white aspargus monster! And when the vile vegetable seeks to make them its prey, all hope seems lost. Can their be any escape from this savage sprout?!

Nigel is exhausted and dirty after a hard mission, and when he takes a break, Lizzie intercepts a mission spec from Numbuh 65.3. Deciding to give Nigel a break, Lizzie tricks the rest of the team into thinking Nigel put him in charge, and assumes the role as leader. But Lizzie i

The evil Chester is developing his Happy Headband a strange device he plans to sell to parents to keep kids out of their hair.

It's time for the morning commute to school, and for once, Numbuh 4 is anxious to go, mostly because he has a crush on the new teacher. But on the way to school, the bus is attacked by kids dressed by cowboys packing chewing-gun loaded six-shooters, demanding the students' spelling homework! Now Numbuh 4 pursues the bandits outside, while Numbuh 5 engages them on the bus itself. Can they save the day before first bell? And who is the brains behind these delinquent desperadoes?!

The Delightful Children kidnap the team's classmate, nerdy, spit-talking ""Leaky"" Leona, and force her to lead them to the dark underbellies of the school. Alerted by Numbuh 5, the team follows them, and find themselves in an ancient school, laden with deadly booby traps. Avoiding them all, the team finds Leona, strangely aged to an old woman, who leads them to the mythical Fountain of Youth! The KND are amazed at the prospect of remaining ten years old forever, but the Delightful Children desire nothing less than to destroy the Fountain, claiming that the goal of all children should be to grow up. Can the Kids Next door save the supernatural spring? And what strange secret is ""Leaky"" Leona hiding?

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?!

At the KND Arctic training facility (the second largest KND base in existence, and location of the top secret KND Code Module), young cadet Tommy is

The true history of the genesis of the Adult-Child conflict is revealed. This is the story the Adults do not want you to hear.

Numbuh 86 is having a top-secret girls only slumber party. Numbuh 4 is willing to find out what the slumber party is all about even if it means having to put on a little make up.

Numbuh 2 has set up a private eye office in the school janitor closet and soon he gets his first case someone is inflicting students with bad cases of pink-eye. When Numbuh 86 becomes the latest victim and he gets no help from Joe the hall monitor (his old partner before he joined the KND) 2 does some of his own deductive work until Joe attacks him.

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

It's the Delightful Children From Down The Lane's birthday again, and that means it's time once again for the Kids Next Door to make off with their fantastic cake! But when the plan to egg the Delightfuls to submission goes afowl, the Kids must decide whether the cake is really worth it.

Upon returning to the Treehouse, an injured Numbuh 1 orders a lockdown! But it soon becomes clear that the five are trapped with Count Spankulot! But is the Count the real intruder? Or is another spank-happy vampire in their midsts?

Hoagie and the gang go to the KND Academy to watch his brother Tommy graduate while Father plans an all-out attack.

Numbuh 5 journeys to the exotic Al-Suhgar Desert to recover her stolen candy, the Blurpleberry Supreme, and discovers she's not the only one searching for the powerful, mystical candy.

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

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The KND try to get the Fourth Grade Class President to his Town Council meetings safely. A parody of Air Force One. Hurt Operative Safely Protected In Totally Antiseptic Location

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, and it's up to Sector V to make sure he is safe, especially Numbuh 3.

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.

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