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Operation: M.O.O.N.
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Operation: S.A.T.U.R.N.
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Operation: S.P.A.C.E.
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Downhill Derby
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Escape Mission
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Numbuh Generator
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MEET NUMBAH ONE

Nigel Uno, a.k.a "Numbah One," is the leader of the Kids Next Door and the embodiment of its principles. He is a master tactician who devises elaborate plans for taking down the adults.

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Codename: Kids Next Door

Only the Kids Next Door can stop the tyranny of the adults! Join Numbuh One, Numbuh Two, Numbuh Three, Numbuh Four and Numbuh Five as they use their unique skills to defeat such dastardly villains as Stickybeard, the Toilenator, Gramma Stuffum, Knightbrace, Father and the Delightful Children from Down the Lane. Marvel at all the latest gadgets and vehicles powered by 2x4 technology and their top-secret treehouse headquarters. Play free online games and watch free videos from Codename: Kids Next Door on Cartoon Network.