Codename: Kids Next Door backdrop
Animation•Action & Adventure•Comedy

The Best Episodes of Codename: Kids Next Door Season 1

Every episode of Codename: Kids Next Door Season 1 ranked from best to worst. Discover the Best Episodes of Codename: Kids Next Door Season 1!

Binge this in 4h 23m•Peaking at 8.6/10

Taking numbers instead of names, five extraordinary 10-year-olds form a covert team called the Kids Next Door with one dedicated mission: to free all children from the tyrannical rule of adults.

Airs on
Cartoon Network
BestEpisodes
WorstEpisodes
BestSeasons
AllEpisodes

Seasons6

All123456

Episode Rankings

  1. #1 Fan Favorite
    Codename: Kids Next Door Season 1 Episode 13 - Operation: A.R.C.T.I.C.
    8.6/10(192 votes)

    S1:E13

    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.

    Director:Unknown
    Writers:Tom Warburton, Mo Willems

    Be the first to start the conversation for this episode

  2. Codename: Kids Next Door Season 1 Episode 5 - Operation: C.A.N.N.O.N.
    7.7/10(147 votes)

    S1:E5

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

    Director:Unknown
    Writers:Tom Warburton, Mo Willems

    Be the first to start the conversation for this episode

  3. Codename: Kids Next Door Season 1 Episode 7 - Operation: T.E.E.T.H.
    7.6/10(131 votes)

    S1:E7

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

    Director:Unknown
    Writers:Tom Warburton, Mo Willems

    Be the first to start the conversation for this episode

  4. Codename: Kids Next Door Season 1 Episode 10 - Operation: T.U.R.N.I.P.
    7.6/10(130 votes)

    S1:E10

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

    Director:Tom Warburton
    Writers:Tom Warburton, Mo Willems, Robert Leighton

    Be the first to start the conversation for this episode

  5. Codename: Kids Next Door Season 1 Episode 11 - Operation: M.I.N.I.G.O.L.F.
    7.6/10(128 votes)

    S1:E11

    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.

    Director:Unknown
    Writers:Tom Warburton, Mo Willems

    Be the first to start the conversation for this episode

  6. Codename: Kids Next Door Season 1 Episode 4 - Operation: I.-S.C.R.E.A.M.
    7.5/10(143 votes)

    S1:E4

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

    Director:Tom Warburton
    Writers:Tom Warburton, Mo Willems

    Be the first to start the conversation for this episode

    7. Trending NowTRENDING NOW

    The 20 BEST Episodes of Codename: Kids Next Door

    READ
  7. Codename: Kids Next Door Season 1 Episode 6 - Operation: N.O.-P.O.W.U.H.
    7.5/10(137 votes)

    S1:E6

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

    Director:Tom Warburton
    Writers:Tom Warburton, Mo Willems

    Be the first to start the conversation for this episode

  8. Codename: Kids Next Door Season 1 Episode 8 - Operation: P.I.R.A.T.E.
    7.5/10(133 votes)

    S1:E8

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

    Director:Tom Warburton
    Writers:Tom Warburton, Mo Willems, Robert Leighton

    Be the first to start the conversation for this episode

  9. Codename: Kids Next Door Season 1 Episode 12 - Operation: O.F.F.I.C.E.
    7.4/10(131 votes)

    S1:E12

    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.

    Director:Tom Warburton
    Writers:Tom Warburton, Mo Willems

    Be the first to start the conversation for this episode

  10. Codename: Kids Next Door Season 1 Episode 1 - Operation: C.A.K.E.D.
    7.3/10(186 votes)

    S1:E1

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

    Director:Tom Warburton
    Writer:Tom Warburton

    Be the first to start the conversation for this episode

  11. Codename: Kids Next Door Season 1 Episode 2 - Diseasy Does It
    7.3/10(161 votes)

    S1:E2

    Kenny and Chimpy are hired to do chores.

    Director:Tom Warburton
    Writer:Tom Warburton

    Be the first to start the conversation for this episode

  12. Codename: Kids Next Door Season 1 Episode 3 - No P in the OOL
    7.3/10(149 votes)

    S1:E3

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

    Director:Tom Warburton
    Writer:Tom Warburton

    Be the first to start the conversation for this episode

  13. Codename: Kids Next Door Season 1 Episode 9 - Operation: C.O.W.G.I.R.L.
    7.1/10(188 votes)

    S1:E9

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

    Director:Unknown
    Writers:Tom Warburton, Mo Willems, Tom Eaton

    Be the first to start the conversation for this episode

  14. Codename: Kids Next Door Season 1 Episode 14 - Operation: L.I.C.E.
    0.0/10(0 votes)

    S1:E14

    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.

    Director:Unknown
    Writers:Tom Warburton, Mo Willems, Robert Leighton

    Be the first to start the conversation for this episode

  15. Codename: Kids Next Door Season 1 Episode 15 - Operation: L.I.Z.Z.I.E.
    0.0/10(0 votes)

    S1:E15

    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.

    Director:Unknown
    Writers:Tom Warburton, Mo Willems

    Be the first to start the conversation for this episode

  16. Codename: Kids Next Door Season 1 Episode 16 - Operation: T.H.E-F.L.Y.
    0.0/10(0 votes)

    S1:E16

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

    Director:Tom Warburton
    Writers:Tom Warburton, Mo Willems

    Be the first to start the conversation for this episode

  17. Codename: Kids Next Door Season 1 Episode 17 - Operation: P.O.I.N.T.
    0.0/10(0 votes)

    S1:E17

    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.

    Director:Unknown
    Writers:Tom Warburton, Mo Willems

    Be the first to start the conversation for this episode

  18. Codename: Kids Next Door Season 1 Episode 18 - Operation: C.A.B.L.E.-T.V.
    0.0/10(0 votes)

    S1:E18

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

    Director:Unknown
    Writers:Tom Warburton, Mo Willems

    Be the first to start the conversation for this episode

  19. Codename: Kids Next Door Season 1 Episode 19 - Operation: C.A.M.P.
    0.0/10(0 votes)

    S1:E19

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

    Director:Unknown
    Writers:Tom Warburton, Mo Willems

    Be the first to start the conversation for this episode

  20. Codename: Kids Next Door Season 1 Episode 20 - Operation: T.O.M.M.Y.
    0.0/10(0 votes)

    S1:E20

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

    Director:Tom Warburton
    Writers:Tom Warburton, Mo Willems

    Be the first to start the conversation for this episode

  21. Codename: Kids Next Door Season 1 Episode 21 - Operation: C.H.A.D.
    0.0/10(0 votes)

    S1:E21

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

    Director:Unknown
    Writers:Tom Warburton, Mo Willems

    Be the first to start the conversation for this episode

  22. Codename: Kids Next Door Season 1 Episode 22 - Operation: P.I.A.N.O.
    0.0/10(0 votes)

    S1:E22

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

    Director:Unknown
    Writers:Tom Warburton, Mo Willems

    Be the first to start the conversation for this episode

  23. Codename: Kids Next Door Season 1 Episode 23 - Operation: Z.O.O.
    0.0/10(0 votes)

    S1:E23

    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.

    Director:Unknown
    Writers:Tom Warburton, Mo Willems

    Be the first to start the conversation for this episode

  24. Codename: Kids Next Door Season 1 Episode 24 - Operation: Q.U.I.E.T.
    0.0/10(0 votes)

    S1:E24

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

    Director:Tom Warburton
    Writers:Tom Warburton, Mo Willems

    Be the first to start the conversation for this episode

  25. Codename: Kids Next Door Season 1 Episode 25 - Operation: R.A.I.N.B.O.W.S.
    0.0/10(0 votes)

    S1:E25

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

    Director:Unknown
    Writers:Tom Warburton, Mo Willems

    Be the first to start the conversation for this episode

Season 1 Ratings Summary

"Operation: A.R.C.T.I.C." is the best rated episode of "Codename: Kids Next Door" season 1. It scored 8.6/10 based on 192 votes. Directed by Unknown and written by Tom Warburton, Mo Willems, it aired on 1/3/2003. This episode is rated 0.9 points higher than the second-best, "Operation: C.A.N.N.O.N.".