The BEST episodes of Codename: Kids Next Door season 1

Every episode of Codename: Kids Next Door season 1, ranked from best to worst by thousands of votes from fans of the show. The best episodes of Codename: Kids Next Door season 1!

The objective of Codename: Kids Next Door is simple--to lead young people everywhere in the fight against the injustices of a not-so-kid-friendly world! From the fortress of their treehouse headquarters, this covert team of 10-year-olds uses their patented 2x4 technology to put a stop to anyone who gets in the way of their mission. So hurry and join the KND revolution.

Last Updated: 9/26/2024Network: Cartoon NetworkStatus: Ended
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Operation: L.I.C.E.
star
8.39
54 votes

#1 - Operation: L.I.C.E.

Season 1 - Episode 11 - Aired 1/10/2003

The Delightful Children from Down the Lane attack Sector V's headquarters with an infestation of hair-eating lice.

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Kenny and the Chimp: Diseasy Does It! Or Chimp N'Pox
star
7.79
19 votes

#2 - Kenny and the Chimp: Diseasy Does It! Or Chimp N'Pox

Season 1 - Episode 18 - Aired 11/6/1998

Kenny and Chimpy are hired by Professor Triple Extra Large to do chores in his horrible disease storage laboratory, and everyone knows that chimps just aren't careful.

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Operation: I.-S.C.R.E.A.M.
star
7.74
53 votes

#3 - Operation: I.-S.C.R.E.A.M.

Season 1 - Episode 1 - Aired 12/6/2002

The group catches wind of some ice cream men who refuse to give ice cream to children, so they interrogate them and get the password to their ice cream factory, only to be in for a major surprise from the Delightful Children from Down the Lane, because the ice cream that they take turns into a monster that tries to eat them, but eventually gets defeated by a heater that was turned on by Numbuh 3.

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Operation: A.R.C.T.I.C.
star
7.73
26 votes

#4 - Operation: A.R.C.T.I.C.

Season 1 - Episode 10 - Aired 1/3/2003

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. But is there more to this mysterious operative than meets the eye?

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No P in the Ool
star
7.68
19 votes

#5 - No P in the Ool

Season 1 - Episode 19 - Aired 7/20/2001

When the villainous Mr. Wink and Mr. Fibb extend the adult swim time in the neighborhood pool, the Kids Next Door are sent a red alert to stop them. Numbuh 1 suggests employing the Kid-A-Pault, a Kids 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.

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Operation: R.A.I.N.B.O.W.S.
star
7.60
15 votes

#6 - Operation: R.A.I.N.B.O.W.S.

Season 1 - Episode 25 - Aired 2/28/2003

The boss of Rainbow Monkeys Inc. uses Numbuh 3 to find real Rainbow Monkeys for him.

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Operation: L.I.Z.Z.I.E.
star
7.57
23 votes

#7 - Operation: L.I.Z.Z.I.E.

Season 1 - Episode 12 - Aired 1/10/2003

Numbuh 1 has a secret girlfriend who he often neglects because of his Kids Next Door responsibilities, forcing her to use a boyfriend helmet to mind-control Numbuh 1. If the helmet stays on for too long, it will start to merge with Numbuh 1's head and stay on forever.

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Operation: T.E.E.T.H.
star
7.50
32 votes

#8 - Operation: T.E.E.T.H.

Season 1 - Episode 4 - Aired 12/13/2002

The Kids Next Door find a new enemy in the dental hygiene-obsessed vigilante, Knightbrace, after he attacks Numbuh 3 on the way back from a trip to the candy store.

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Operation: G.R.O.W.-U.P.
star
7.49
45 votes

#9 - Operation: G.R.O.W.-U.P.

Season 1 - Episode 26 - Aired 3/7/2003

The frustrated Delightful Children from Down the Lane turn to their Father for help destroying Sector V. Numbuh 1 is turned into an adult, the treehouse is destroyed, and their faith is shattered; Sector V is forced into a showdown with their most dangerous foe yet.

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Operation: C.A.M.P.
star
7.44
18 votes

#10 - Operation: C.A.M.P.

Season 1 - Episode 16 - Aired 1/24/2003

A lost baby skunk interferes with a mission to rescue brainwashed campers.

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Operation: C.H.A.D.
star
7.44
16 votes

#11 - Operation: C.H.A.D.

Season 1 - Episode 21 - Aired 2/7/2003

Two parental villains are stupefying KND operatives around the world; an operative named Chad (Numbuh 274) enlists the help of Sector V.

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Operation: Q.U.I.E.T.
star
7.33
42 votes

#12 - Operation: Q.U.I.E.T.

Season 1 - Episode 24 - Aired 2/28/2003

Numbuh 5 tries to keep the treehouse quiet, so Numbuh 1 can sleep.

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Operation: P.I.R.A.T.E.
star
7.33
55 votes

#13 - Operation: P.I.R.A.T.E.

Season 1 - Episode 5 - Aired 12/20/2002

Captain Stickybeard and his Candy Pirate crew steal Sector V's candy, including Numbuh 5's secret stash. Numbuh 5 does not want her candy stash to be taken, so she boards Stickybeard's pirate ship to retrieve it. The KND have to rescue her and the candy too.

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Operation: N.O.-P.O.W.U.H.
star
7.29
94 votes

#14 - Operation: N.O.-P.O.W.U.H.

Season 1 - Episode 3 - Aired 12/13/2002

The hamsters that power Sector V's weapons suddenly decide to go on vacation, leaving the Treehouse powerless! Meanwhile, the Delightful Children from Down the Lane looks for villains to attack Sector V, so they send an old lady named Gramma Stuffum, who is fixated on fattening kids, to Sector V's powerless HQ.

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Operation: C.A.K.E.D.
star
7.28
46 votes

#15 - Operation: C.A.K.E.D.

Season 1 - Episode 17 - Aired 1/31/2003

The Kids Next Door attempt to stop a birthday party for their arch-enemies, the Delightful Children from Down the Lane. The task is made complicated by the presence of the Big Badolescent, a girl who grows alarmingly in size and strength when she does not get her way.

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Operation: Z.O.O.
star
7.25
16 votes

#16 - Operation: Z.O.O.

Season 1 - Episode 23 - Aired 2/21/2003

Sector V is put into a "kids zoo" and must unite with the Delightful Children from Down the Lane and get all the other children out of their cages before lunch time to escape being fed to the zoo's cannibal bully.

Operation: C.O.W.G.I.R.L.
star
7.22
23 votes

#17 - Operation: C.O.W.G.I.R.L.

Season 1 - Episode 6 - Aired 12/20/2002

An adult named Lasso Lass (who keeps acting like a kid) wants to help Sector V defeat Mr. Wink and Mr. Fibb.

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Operation: M.I.N.I.G.O.L.F.
star
7.21
24 votes

#18 - Operation: M.I.N.I.G.O.L.F.

Season 1 - Episode 8 - Aired 12/27/2002

After Numbuh 2 beats a mini-golf champion at mini-golf, the golfer shrinks Numbuh 2, and many sights from around the world.

Watch Now:Apple TV
Operation: T.H.E.-F.L.Y.
star
7.14
49 votes

#19 - Operation: T.H.E.-F.L.Y.

Season 1 - Episode 13 - Aired 1/17/2003

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

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Operation: T.O.M.M.Y.
star
7.13
45 votes

#20 - Operation: T.O.M.M.Y.

Season 1 - Episode 20 - Aired 2/7/2003

Numbuh 2's little brother, Tommy (who is shunned by Sector V), joins forces with a villain, Common Cold.

Operation: O.F.F.I.C.E.
star
7.12
51 votes

#21 - Operation: O.F.F.I.C.E.

Season 1 - Episode 9 - Aired 1/3/2003

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 co-workers to Pluto.

Watch Now:Apple TV
Operation: C.A.B.L.E.-T.V.
star
7.11
45 votes

#22 - Operation: C.A.B.L.E.-T.V.

Season 1 - Episode 15 - Aired 1/24/2003

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

Operation: P.I.A.N.O.
star
7.11
19 votes

#23 - Operation: P.I.A.N.O.

Season 1 - Episode 22 - Aired 2/21/2003

Sector V tries to destroy all the pianos in a truck with a hamster that acts as Numbuh 4's replacement.

Operation: P.O.I.N.T.
star
7.06
16 votes

#24 - Operation: P.O.I.N.T.

Season 1 - Episode 14 - Aired 1/17/2003

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.

Operation: C.A.N.N.O.N.
star
6.77
35 votes

#25 - Operation: C.A.N.N.O.N.

Season 1 - Episode 2 - Aired 12/6/2002

Numbuh 4 forces the other operatives to build a "clam cannon" when Numbuh 1 leaves.

Watch Now:Apple TV