Episode 1
Operation: C.A.K.E.D.
7m10.0 / 10
The Kids Next Door attempt to stop a party for their enemies.
Episode credits
Directed by Tom WarburtonWritten by Tom WarburtonGuest stars Grey DeLisle
TV series
Codename: Kids Next Door
2002TV-Y76 seasons8.2 / 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.
Streaming, rental and purchase options
Where to watch in United States
Checked Jul 22, 2026
Codename: Kids Next Door is available to stream on Tubi in United States. You can also buy it from Amazon, Apple TV, and Fandango at Home. Use the direct links below to open the provider.
Watch free
Synopsis
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.
Season 1 episodes
Choose an episode, then use the watch options above for the show.
Where to watch Codename: Kids Next Door
Episode 2
Diseasy Does It
7m
Kenny and Chimpy are hired to do chores.
Episode credits
Directed by Tom WarburtonWritten by Tom WarburtonGuest stars Tom Kenny, Frank Welker, Eddie Deezen, Candi Milo, Gregg Berger, Tom Warburton
Episode 3
No P in the OOL
7m
Mr. Wink and Mr. Fibb extend adult swim time.
Episode credits
Directed by Tom WarburtonWritten by Tom WarburtonGuest stars Tom Kenny
Episode 4
Operation: I.-S.C.R.E.A.M.
11m
The Kids Next Door set off on a mission to the ice cream factory.
Episode credits
Directed by Tom WarburtonWritten by Mo Willems, Tom WarburtonGuest stars Kevin Michael Richardson, Jennifer Hale
Episode 5
Operation: C.A.N.N.O.N.
11m
With Numbuh One away, the Treehouse becomes an easy target for adults
Episode credits
Written by Mo Willems, Tom WarburtonGuest stars Jennifer Hale, Daran Norris
Episode 6
Operation: N.O.-P.O.W.U.H.
11m
The hamsters that power the Treehouse go on vacation, leaving the team vulnerable.
Episode credits
Directed by Tom WarburtonWritten by Mo Willems, Tom WarburtonGuest stars Tom Kenny, Jeff Bennett, Jess Harnell
Episode 7
Operation: T.E.E.T.H.
11m
The Kids Next Door are put in the crosshairs of Knightbraces.
Episode credits
Written by Mo Willems, Tom WarburtonGuest stars Tom Kenny, Jeff Bennett
Episode 8
Operation: P.I.R.A.T.E.
11m
Stickybeard and his crew sniff out the Kids Next Door's candy depository.
Episode credits
Directed by Tom WarburtonWritten by Mo Willems, Tom Warburton, Robert LeightonGuest stars Mark Hamill, Daran Norris
Episode 9
Operation: C.O.W.G.I.R.L.
11m
The team meets the last member of another era's Kids Next Door.
Episode credits
Written by Mo Willems, Tom Warburton, Tom EatonGuest stars Candi Milo, Tom Kenny
Episode 10
Operation: T.U.R.N.I.P.
11m
When turnips are found everywhere in Sector V's treehouse, they go to the source: a giant turnip, to defeat it.
Episode credits
Directed by Tom WarburtonWritten by Mo Willems, Tom Warburton, Robert LeightonGuest stars Jennifer Hale
Episode 11
Operation: M.I.N.I.G.O.L.F.
11m
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.
Episode credits
Written by Mo Willems, Tom WarburtonGuest stars Rob Paulsen, John DiMaggio, Jennifer Hale
Episode 12
Operation: O.F.F.I.C.E.
11m
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.
Episode credits
Directed by Tom WarburtonWritten by Mo Willems, Tom WarburtonGuest stars Jeff Bennett, Jennifer Hale, Rachael MacFarlane, Tara Strong
Episode 13
Operation: A.R.C.T.I.C.
11m
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.
Episode credits
Written by Mo Willems, Tom WarburtonGuest stars Frank Welker, Jennifer Hale, Tom Kenny
Episode 14
Operation: L.I.C.E.
11m
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.
Episode credits
Written by Mo Willems, Tom Warburton, Robert LeightonGuest stars Daran Norris, Grey DeLisle
Episode 15
Operation: L.I.Z.Z.I.E.
11m
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.
Episode credits
Written by Mo Willems, Tom WarburtonGuest stars Grey DeLisle, Daran Norris
Episode 16
Operation: T.H.E-F.L.Y.
11m
A fly finds its way into Sector V's headquarters.
Episode credits
Directed by Tom WarburtonWritten by Mo Willems, Tom WarburtonGuest stars Daran Norris, Grey DeLisle
Episode 17
Operation: P.O.I.N.T.
11m
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.
Episode credits
Written by Mo Willems, Tom WarburtonGuest stars Jason Harris, Grey DeLisle, Jennifer Hale, Tom Kenny, Daran Norris
Episode 18
Operation: C.A.B.L.E.-T.V.
11m
A villainous half-man, half-baby named Mr. B gives the Kids Next Door a television series of their own.
Episode credits
Written by Mo Willems, Tom WarburtonGuest stars Jennifer Hale, Daran Norris
Episode 19
Operation: C.A.M.P.
11m
Can Numbuh 1 stop a camp counselor without the help of 2 and 3? Probably not...
Episode credits
Written by Mo Willems, Tom WarburtonGuest stars Tom Kenny
Episode 20
Operation: T.O.M.M.Y.
11m
Numbuh 2's little brother, Tommy (who is shunned by Sector V) joins forces with a villain, Common Cold.
Episode credits
Directed by Tom WarburtonWritten by Mo Willems, Tom WarburtonGuest stars Tom Kenny
Episode 21
Operation: C.H.A.D.
11m
Two parental villains are stupefying KND operatives around the world; an operative named Chad (Numbuh 274) enlists the help of Sector V.
Episode credits
Written by Mo Willems, Tom WarburtonGuest stars Jeff Bennett, Grey DeLisle, Jason Harris, Tom Kenny
Episode 22
Operation: P.I.A.N.O.
11m
Sector V tries to destroy all the pianos in a truck with a hamster that acts as Numbuh 4's replacement.
Episode credits
Written by Mo Willems, Tom WarburtonGuest stars Jennifer Hale, Frank Welker
Episode 23
Operation: Z.O.O.
11m
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.
Episode credits
Written by Mo Willems, Tom WarburtonGuest stars James Arnold Taylor, Candi Milo
Episode 24
Operation: Q.U.I.E.T.
11m
Numbuh 5 tries to keep the treehouse quiet so Numbuh 1 can sleep.
Episode credits
Directed by Tom WarburtonWritten by Mo Willems, Tom WarburtonGuest stars Tom Kenny, Mark Hamill, Frank Welker, Grey DeLisle
Episode 25
Operation: R.A.I.N.B.O.W.S.
11m
The boss of Rainbow Monkeys Inc. uses Numbuh 3 to find real Rainbow Monkeys for him.
Episode credits
Written by Mo Willems, Tom WarburtonGuest stars Tom Kane, Rob Paulsen, Tara Strong
Episode 26
Operation: G.R.O.W.-U.P.
22mfinale
The Delightful Children from Down the Lane turn to Father for help, and the Kids Next Door are forced into a dangerous showdown.
Episode credits
Directed by Tom WarburtonWritten by Mo Willems, Tom WarburtonGuest stars Maurice LaMarche
Episode information updated Jul 24, 2026
More about Codename: Kids Next Door
Cast
Ben DiskinNumbuh 1 / Numbuh 2 (voice)
Lauren TomNumbuh 3 (voice)
Dee Bradley BakerNumbuh 4 (voice)
Cree SummerNumbuh 5 (voice)
Billy West
Richard Steven Horvitz
Brian Tochi
Greg CipesCredits
- Created by
- Tom Warburton
- Written by
- Tom Warburton, Mo Willems, Andy Rheingold, Alison Wilgus, Robert Leighton, Tom Eaton, Anne D. Bernstein, Brian Muehl, Billy Aronson, Kim Arndt, Blake Lemons, Guy Moore, Quack Leard, Gideon Kendall, Robert Kopecky, Grace Lu, Erin Finnegan
Production details
- Status
- Ended
- Series type
- Scripted
- Episodes
- 139
- Original language
- English
Networks & production
Cartoon NetworkUnited States
Curious PicturesUnited States
Cartoon Network StudiosUnited States
Themes
gadgetmissionsecret organizationspy hero
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