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The Life and Times of Polyneux's Alumni by Mordeckakis
Fandoms: Codename: Kids Next Door, Whatever Happened to Robot Jones?, Bloons Tower Defense (Video Games)
15 Jun 2025
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Summary
The bloons haven't been around en masse since Kuki had last defeated Blastapopoulos a year ago, so Robot and his crew are able to get ready for McClintock High School. Unfortunately, for better or worse, they all soon find out that the more things change, the more they stay the same...
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Takes place after the end of Operation: J.E.W.E.L. Nigel apologizes for being ungrateful for Abby’s gift. That famous blue rock candy in the shape of a gem, to jog your memory incase it’s been a minute since you’ve seen that episode. Anywho, Abby can’t be angry with Nigel for long and they make up with a little fun. Needless to say they celebrate his birthday in her room for the rest of the day.
Nigel Uno x Abigail Lincoln lemon oneshot- Language:
- English
- Words:
- 2,642
- Chapters:
- 1/1
- Hits:
- 47
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Summary
Han pasado años en la Tierra desde que Nia Uno fue elegida por el GKND para unirse a su causa intergaláctica. Sin embargo, para ella, no ha pasado ni un solo día.
Mientras tanto, el GKND, cada vez más expansionista y autoritario, planea una invasión a la Tierra para controlar por completo a los niños y erradicar todo lo que consideran “contaminación adulta irreparable”. Saben que el planeta aún guarda secretos… y uno de ellos es Richard T. Mckenzie, el olvidado ex-líder supremo. -
Coffee afternoons by MagicBastard
Fandoms: Codename: Kids Next Door, Johnny Test (Cartoon), Cartoon Network Universe: FusionFall, Invader Zim, The Powerpuff Girls (Cartoon 1998-2005), Grim Adventures of Billy & Mandy
09 Jun 2025
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Summary
Donde Ben aprende de los Test.
- Language:
- Español
- Words:
- 1,012
- Chapters:
- 1/10
- Kudos:
- 1
- Hits:
- 7
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Summary
The title says it all.
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Iron and Glory by Nicccoll
Fandoms: Cartoon Network Universe: FusionFall, The Powerpuff Girls (Cartoon 1998-2005), Codename: Kids Next Door, Samurai Jack (Cartoon), Dexter's Laboratory, Adventure Time (Cartoon 2010), Grim Adventures of Billy & Mandy, Ben 10 Series, Chowder (Cartoon), Generator Rex, Foster's Home For Imaginary Friends, Ed Edd n Eddy, Sym-Bionic Titan, Megas XLR, Courage the Cowardly Dog, Toonami Total Immersion Event Series
07 Jun 2025
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Summary
After finally adjusting to the new timeline, Niles faces the invasion head-on. Free from the grip of Lord Fuse from his past, he must press onward and uncover his role in the Magic Tree’s prophecy. His strength and wit are pushed to their limits, but the Chemical X in his veins clouds his mind, making him question if he’s truly in control or if something else is guiding his fate.
Series
- Part 3 of Fusion, Iron, and Glory
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Summary
It's over a decade after the events of Bookends.
Sector V is now in its early thirties. Abby is an aunt, Nigel and Hoagie are uncles, the Sanbans and the Beetles are grandparents, and - you guessed it - Wally and Kuki are now married and have a little one!
I never planned to have a segment for this, but a 3x4 shipper's gotta do what a 3x4 shipper's gotta do, so here's a little place for me to dump my silly little daydreams about Wally, Kuki, and their little dumpling.
Enjoy!
Series
- Part 9 of Bookends Series
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Summary
Operation G.R.O.W.I.N.G. O.L.D:
Growing
Required,
Overdue
While
Intergalactic
Nefarious
GoonsOppose
Life’s
DestinyIn the most simplest terms, it’s okay to grow up. Numbuh 1 must learn this before it’s too late.
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OPERATION J.A.I.L.B.R.E.A.K. by Animetoonzforever, ParkRyder525
Fandoms: Codename: Kids Next Door
29 May 2025
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Summary
What if after OPERATION S.P.A.N.K., Brittany finds out and tells Sector V to get her father back.
Will they succeed?
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operation c.o.d.a. by sparkymouse for airauralintensity
Fandoms: Codename: Kids Next Door
28 May 2025
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Summary
CANON
OPERATIONS
DELIBERATELY
ATTACHED
OR; lizzie devine is an amazing character and i want to expand on her episodes
chapter 5: OPERATION C.A.N.N.O.N; How Lizzie and Nigel met and got together in the first place. -
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Summary
A sequel to my fic, Bookends (alternate universe / canon-adjacent). Please, please, PLEASE read that first!
Life after high school begins, and Wally and Kuki now have to learn how to navigate their relationship amidst impending adulthood.
This takes place in their early twenties and is an episodic glimpse into their life after college/military and before the final chapter of Bookends: Epilogues.
Series
- Part 8 of Bookends Series
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Summary
Friend’s Actions Keep Ex Distracted Allowing True Emotions
Y/N is working for the Teen Kid Alliance trying to sort operative records. When Numbuh 1 comes into their office looking for an escape from the TKA gossip mill, an unlikely friendship is born. -
not gonna stop (till i get what's mine) by sparkymouse
Fandoms: Codename: Kids Next Door
23 May 2025
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Summary
When Elizabeth Devine is eight years old she sees Legally Blonde for the first time.
Nigel Uno has been fighting for kids since he was one, never having any stomach for disrespecting and tyrannical adults.
OR; the courtroom!nizzie au! -
Kids Next Door OPERATION: M.U.L.T.I.V.E.R.S.E by NekoBro900
Fandoms: Codename: Kids Next Door, Fairly OddParents, Helluva Boss (Web Series), SpongeBob SquarePants (Cartoon), Gravity Falls, Foster's Home For Imaginary Friends
22 May 2025
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Summary
Father has crafted a multiverse device that's designed to track down and supply evil kid hating adults in other worlds so that they can cause crimes against childhood across worlds. In retaliation the kids next door organization decides to fight fire with fire and create a multiverse satellite that can track down kids in other worlds that have the potential to be KND operatives and supply them with 2x4 technology.
Watch as kids from other worlds join the fight against adulthood and go on the adventure of a lifetime.
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Summary
Wally deals with a neighborhood power outage.
He hangs out with his friends at a park. -
Codename: Genderbent Kids Next Door – Series 1 by DarkbloodFrancine34
Fandoms: Codename: Kids Next Door
11 May 2025
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Summary
My genderbent version of season 1 of Codename: Kids Next Door, where the first half of the recurring villains, more KND operatives, some of the Sector V members' family members, and some of the other recurring characters are introduced. I hope you enjoy! Apologies for the delay! I'll try to post new chapters as soon as I can!
Series
- Part 2 of Codename: Genderbent Kids Next Door
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Fusion Road to Nightfall by GrimGenesis
Fandoms: Cartoon Network Universe: FusionFall, Nicktoons (Video Games)
11 May 2025
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Summary
Not everyone is destined for a peaceful life, and not everyone's story is happy or full of light. There are plenty of stories and people who are drenched in the murky darkness. Every hero has a villain, and every villain has a story. Such is the case for a young 17 year old Izayoi Scarlet, who was a feared criminal who was doing time when the war with Planet Fuse began. Now allied with the heroes, Izayoi is now challenged with a new life. Can he really change and return to the right path, or will he forever be a criminal and villain? Does he even want to change? Guess he'll find out eventually, but for now, he just wanted to keep killing fusions.
- Language:
- English
- Words:
- 11,187
- Chapters:
- 1/?
- Hits:
- 25
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Summary
After five years apart, Nigel returns home to Sector V, reuniting with his friends who have eagerly awaited his return. While the team is excited, there's an underlying worry—Wally, now with a new role and responsibility, has changed over the years. But as the team gathers, they're reminded that despite the passage of time and the changes they've faced, deep down, nothing has really changed. The bond they share is as strong as ever, and together, they begin to find their way back to the team they were always meant to be.
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Operation: N.O.W. (New Operatives’ Workforce): a kids next door future fanfic by juulsparkles
Fandoms: Codename: Kids Next Door
04 May 2025
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Summary
Join the latest generation of Kids Next Door operatives in adventures and missions to battle the biggest threat to all kids: adults.
(An OC-driven original story set in the canon universe of KND)
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Wig in the Closet - Transfem Numbuh Two AU by SpicedWatermel0n
Fandoms: Codename: Kids Next Door
03 May 2025
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Summary
Everyone has secrets.
Series
- Part 1 of Transfem Numbuh Two AU
- Language:
- English
- Words:
- 2,009
- Chapters:
- 1/1
- Kudos:
- 1
- Hits:
- 54