Codename: Kids Next Door

Codename: Kids Next Door (also known as simply Kids Next Door or by its abbreviation KND) is an American animated television series created by Mr. Warburton for Cartoon Network, and the thirteenth of the network's Cartoon Cartoons The series follows the adventures of a group of five 10-year-old children who operate from a high-tech tree house, fighting against adult and teen villains with advanced 2x4 technology.