Codename: Kids Next Door: Season 4
Season 4 Lore Primer
Key plot threads, lore context, and character stakes you need to remember before diving into this season.
- Directly follows the overarching narrative developments of Codename: Kids Next Door Season 3.
- Faction dynamics and core character alliances shift under escalating external stakes.
- Crucial mysteries introduced previously reach key turning points and narrative reckonings.
- Sets up serialized story arcs that build directly toward the climactic season finale.
Episode Guide
Season 4 Progress Shield
Operation R.A.B.B.I.T.
Nov 19, 2004
Numbuhs 2 and 5 must rescue the first grade class's pet rabbit before it is turned into a chocolate bunny by Heinrich Von Marzipan.
Operation: FLUSH
Nov 19, 2004
The villains attempt to capture the KND Treehouse, but the Toilenator, trying to be helpful, only hinders their plans.
Operation F.O.O.D.F.I.T.E.
Nov 26, 2004
The KND are dismayed to discover that Grandma Stuffum is the new cafeteria lunch lady and she's got some pretty nasty recipes to foist on her pint-sized nemeses.
Operation: C.L.U.E.S.
Nov 26, 2004
A dinner get-together between Numbuh 2 and Numbuh 3's respective families turns sour when Numbuh 3's Posh Party Rainbow Monkey doll is badly damaged with a fork in its back. Now it
Operation N.U.G.G.E.T.
Dec 3, 2004
Numbuh 4 discovers a chicken nugget that initiates a chicken nugget rush.
Operation: M.A.C.A.R.R.O.N.I.
Dec 3, 2004
The Kids Next Door have the misfortune of swapping the Toilenator to Mr. Boss with the unlucky Numbuh 13, who informs the operatives of the adult villains' plans for a macaroni din
Operation P.O.O.L.
Dec 10, 2004
Numbuh 4's newly-installed backyard pool is the portal into an alternate dimension where everything is the opposite of everything in the real world.
Operation C.A.K.E.D.-F.O.U.R.
Feb 21, 2005
The Delightful Children From Down the Lane decide to give their birthday cake to the winner of the annual Tubathon race and everyone is eager to go for it. No one is more eager tha
Operation S.I.T.T.E.R.
Apr 29, 2005
The brothers Gilligan have gotten a new babysitter: the villainous Cree Lincoln! For Numbuh 2, this will either be a dream come true or a nightmare.
Operation: S.A.T.U.R.N.
Apr 29, 2005
Everyone's collections of Rainbow Monkey toys are mysteriously vanishing. The KND investigate and discover the toys revolving around the planet Saturn as its big ring!
Operation: C.H.O.C.O.L.A.T.E.
May 6, 2005
Numbuh 5 goes to the planet Mars to pick up some marshmallows as part of dessert with her family after dinner. But upon her return, she discovers her family and friends are being m
Operation: M.A.T.A.D.O.R.
May 6, 2005
Numbuh 4 is forced to choose between helping the KND battle the villainous Soccer Mom or engaging at his new gig as a matador in the Bully Fights.
Operation L.U.N.C.H.
May 13, 2005
Lizzie had made a romantic lunch for both her and "Nigie", but it gets stolen by Robin Food and his Hungry Men, who rob from the young and give to the old.
Operation: M.U.N.C.H.I.E.S.
May 13, 2005
The KND discover that they're out of Rainbow Munchies cereal, so they try to go to a grocery store to get some more. But the only grocery store that sells such a product is the vil
Operation K.N.O.T.
May 20, 2005
Numbuh 1, both literally and figuratively, risks his neck when he sides with an adult to rid children of snake-like ties.
Operation: C.L.O.S.E.T.
May 20, 2005
A boy gets lost in a closet and the KND are on the job in no time.
Operation S.N.O.W.I.N.G.
May 27, 2005
Numbuh 1 is sick in bed with a cold on a snow day. Even worse, the villainous Fourth Grade President is determined to bring the children, who are all taking advantage of the snow d
Operation M.A.U.R.I.C.E.
Jul 8, 2005
An operate named Maurice is decommissioned from the Kids Next Door after he attains the age of 13. He has been working on a cure for chicken pox. The one who is saddened the most b
Operation L.O.V.E.
Jul 15, 2005
Numbuh 3 stars as the lead female in a "West Side Story"-style romantic musical. But when Numbuh 4 interrupts the play, the war that follows between the Kids Next Door and the Deli
Operation: C.O.U.C.H.
Jul 15, 2005
Numbuhs 1, 2 and 5 all go off to China after Numbuh 4 falsely alerts them of trouble there. He then watches TV in their absence, but Numbuh 3 doesn't leave, either, and they fight
Operation D.O.D.G.E.B.A.L.L.
Jul 22, 2005
The powerful Dodgeball Wizard believes that adults are better at playing dodgeball than kids, so when he learns of "the one called Beetles," a kid who is a greater dodgeball player
Operation: F.E.R.A.L.
Jul 22, 2005
Numbuh 1 is sent to retrieve an important code from Rainbow Monkey Island, but after a run-in with the Delightful Children From Down the Lane, he is left stranded there. Soon, he e