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The Best Episodes of Codename: Kids Next Door Season 6

Every episode of Codename: Kids Next Door Season 6 ranked from best to worst. Discover the Best Episodes of Codename: Kids Next Door Season 6!

Binge this in 4h 46m•Peaking at 9.0/10

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.

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Episode Rankings

  1. #1 Fan Favorite
    Codename: Kids Next Door Season 6 Episode 15 - Operation: P.L.A.N.E.T.
    9.0/10(293 votes)

    S6:E15

    Numbuhs 3 and 4 are launched into space to break the "Ridiculous" space barrier, but blackout in mid-flight and wake up on a world ruled by anthropomorphic, talking Rainbow Monkeys.

    Director:Unknown
    Writers:Alison Wilgus, Tom Warburton, Andy Rheingold

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  2. Codename: Kids Next Door Season 6 Episode 14 - Operation D.O.G.H.O.U.S.E.
    8.5/10(137 votes)

    S6:E14

    Numbuh 5 goes into the Haunted Doghouse to get Sector V's cinder block back, but later comes out with different results.

    Director:Tom Warburton
    Writers:Tom Warburton, Andy Rheingold

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  3. Codename: Kids Next Door Season 6 Episode 9 - Operation: B.R.I.D.G.E.
    8.4/10(107 votes)

    S6:E9

    Numbuh 20 000 and his Squid Squad work with Sector V to destroy the bridge leading into Le Sissie a store in the mall that sells horrible back-to-school clothes for kids.

    Director:Unknown
    Writers:Tom Warburton, Andy Rheingold

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  4. Codename: Kids Next Door Season 6 Episode 10 - Operation: S.I.X.
    8.4/10(100 votes)

    S6:E10

    Numbuhs 2, 3, and 6 are tricked and must get a truckload of soda to a girl's birthday party and keep Mr. Fizz and Lieutenant Seltzer from getting the soda.

    Director:Tom Warburton
    Writers:Alison Wilgus, Tom Warburton, Andy Rheingold

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  5. Codename: Kids Next Door Season 6 Episode 13 - Operation: P.A.R.T.Y.
    8.3/10(117 votes)

    S6:E13

    With Father away at Saratoga Springs for the day on orders from his doctor, the DCFDTL invite Cree and the teenagers to their mansion to plan a new strategy against the Kids Next Door, but instead, the teenagers turn it into a wild house party, leaving the DCFDTL to call Sector V for help.

    Director:Tom Warburton
    Writers:Tom Warburton, Andy Rheingold

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  6. Codename: Kids Next Door Season 6 Episode 1 - Operation: S.A.F.E.T.Y.
    8.2/10(109 votes)

    S6:E1

    When a kid-friendly senator receives a funding of approximately eleventy-billion dollars, he uses it to build an army of Safety-Bots, to make the world a safe place for children. However, the robots grow more and more extreme in their actions, eventually planning to eliminate adults, and cover the Earth in bubble wrap.

    Director:Tom Warburton
    Writers:Tom Warburton, Andy Rheingold

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  7. Codename: Kids Next Door Season 6 Episode 6 - Operation: W.H.I.T.E H.O.U.S.E.
    8.2/10(100 votes)

    S6:E6

    Numbuh 1 wakes up to discover that he is the president of the United States in an alternate dimension, who is about to sign the Bill of No Rights for Kids.

    Director:Tom Warburton
    Writers:Tom Warburton, Andy Rheingold

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  8. Codename: Kids Next Door Season 6 Episode 7 - Operation: S.P.I.N.A.C.H.
    8.2/10(112 votes)

    S6:E7

    Amerigo Vespinaccio tries to spread spinach throughout the school, and Sector V must stop him.

    Director:Tom Warburton
    Writers:Tom Warburton, Blake Lemons, Andy Rheingold

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  9. Codename: Kids Next Door Season 6 Episode 11 - Operation: T.R.I.C.Y.C.L.E.
    8.2/10(106 votes)

    S6:E11

    Tommy loves Numbuh 2's cruddy, old tricycle but gets laughed at when the other kids see him riding it. Using his 2x4 technology expertise, Tommy rebuilds it into the "Best Bike in the Whole World", but the bike turns evil trying to impress Numbuh 2.

    Director:Tom Warburton
    Writers:Tom Warburton, Andy Rheingold

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  10. Codename: Kids Next Door Season 6 Episode 12 - Operation: C.R.I.M.E.
    8.2/10(99 votes)

    S6:E12

    When Gallagher Elementary students are being arrested by the School Safety Patrol for crimes they are envisioned to commit, including detective Numbuh 2, leaving Numbuh 3 to investigate a psychic member of the School Safety Patrol while trying to finish her social studies homework.

    Director:Unknown
    Writers:Alison Wilgus, Tom Warburton, Andy Rheingold

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  11. Codename: Kids Next Door Season 6 Episode 2 - Operation: E.N.G.L.A.N.D.
    8.1/10(103 votes)

    S6:E2

    When Numbuh 1 is taken to England, someone gives him a book, resulting in Numbuh 1 getting followed by 3 kids.

    Director:Unknown
    Writers:Tom Warburton, Andy Rheingold

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  12. Codename: Kids Next Door Season 6 Episode 3 - Operation: A.W.A.R.D.S.
    8.1/10(133 votes)

    S6:E3

    Sector V attempts to sabotage the Villain's Choice Awards.

    Director:Unknown
    Writers:Tom Warburton, Erin Finnegan, Andy Rheingold

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  13. Codename: Kids Next Door Season 6 Episode 8 - Operation: M.E.S.S.A.G.E.
    8.0/10(101 votes)

    S6:E8

    Numbuh 2 attempts to deliver the fourth grade president's message.

    Director:Unknown
    Writers:Tom Warburton, Andy Rheingold

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  14. Codename: Kids Next Door Season 6 Episode 4 - Operation: R.E.C.E.S.S.
    0.0/10(0 votes)

    S6:E4

    When salad oil is discovered in the school playground, Numbuh 1 must find a way to save recess, while still keeping a promise to Lizzie.

    Director:Unknown
    Writers:Tom Warburton, Andy Rheingold

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  15. Codename: Kids Next Door Season 6 Episode 5 - Operation: H.A.M.S.T.E.R.
    0.0/10(0 votes)

    S6:E5

    While the team is off on their recess-rescuing mission, the hamsters are attacked and captured by the Sinister Felines from Atop the Litterbox, but end up battling the Hamsters Next Door.

    Director:Tom Warburton
    Writers:Tom Warburton, Andy Rheingold

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  16. Codename: Kids Next Door Season 6 Episode 16 - Operation: S.C.I.E.N.C.E.
    0.0/10(0 votes)

    S6:E16

    This episode illustrates a day at the annual kids' 2x4 tech science fair. Numbuh 2 is present, shoving his "I Can't Believe It's Not Booger" product down the judges' throats.

    Director:Unknown
    Writers:Tom Warburton, Andy Rheingold

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  17. Codename: Kids Next Door Season 6 Episode 17 - Operation: A.M.I.S.H.
    0.0/10(0 votes)

    S6:E17

    Continues from Operation: S.C.I.E.N.C.E.. When a mysterious enemy starts kidnapping KND scientists, Sector V sends Numbuh 2 into hiding at an Amish sector to his extreme dismay.

    Director:Unknown
    Writers:Tom Warburton, Andy Rheingold

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  18. Codename: Kids Next Door Season 6 Episode 18 - Operation: G.I.R.L.F.R.I.E.N.D.
    0.0/10(0 votes)

    S6:E18

    Lizzie has always had to compete with the Kids Next Door for Nigel's attention, and she thinks Nigel has found a new girlfriend.

    Director:Unknown
    Writers:Tom Warburton, Quack Leard, Andy Rheingold, Guy Moore

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  19. Codename: Kids Next Door Season 6 Episode 19 - Operation: C.A.R.A.M.E.L.
    0.0/10(0 votes)

    S6:E19

    Heinrich uses a ritual involving sacred golden caramels to take away the qualities the Sector V operatives value the most (Numbuh 1's leadership, Numbuh 2's intellect, Numbuh 3's giddiness, Numbuh 4's toughness, and Numbuh 5's coolness). Numbuh 5 eventually teaches Heinrich that he needs to share his candy to revert to his original form; finally learning to do, it is revealed that Heinrich is actually a girl named Henrietta, whose most precious quality, her femininity, was taken away in the ritual many years ago.

    Director:Unknown
    Writers:Alison Wilgus, Tom Warburton, Andy Rheingold

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  20. Codename: Kids Next Door Season 6 Episode 20 - Operation: M.O.O.N.
    0.0/10(0 votes)

    S6:E20

    Adults send Numbuh 4's family to the Moon to colonize it. However, Sector V diverts the colony to Hollywood, where they stage a fake colonization, tricking the Beetles family and the adults at mission control to prevent them from discovering the KND Moonbase.

    Director:Unknown
    Writers:Tom Warburton, Andy Rheingold

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  21. Codename: Kids Next Door Season 6 Episode 21 - Operation: T.R.E.A.T.Y.
    0.0/10(0 votes)

    S6:E21

    The KND and the Teens are about to sign the "You don't mess with us-We don't mess with you" Kid-Teen treaty. It is going to be signed by Numbuh 8000 (KND and the Teens leader), but it turns out to be a trap for the KND, making Numbuhs 1 and 274 set out to prevent it after being falsely convicted by the KND.

    Director:Unknown
    Writers:Tom Warburton, Mo Willems, Andy Rheingold

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Season 6 Ratings Summary

"Operation: P.L.A.N.E.T." is the best rated episode of "Codename: Kids Next Door" season 6. It scored 9/10 based on 293 votes. Directed by Unknown and written by Alison Wilgus, Tom Warburton, Andy Rheingold, it aired on 8/24/2007. This episode is rated 0.5 points higher than the second-best, "Operation D.O.G.H.O.U.S.E.".