Codename: Kids Next Door, also known as Kids Next Door or by its abbreviated acronym KND, is an American animated television series created by Tom Warburton for Cartoon Network, and the 13th of the network's Cartoon Cartoons. The series follows the adventures of a diverse group of five 5th-grade children who operate from a high-tech tree house, fighting against adult and teen villains with advanced 2×4 technology. Using their codenames, they are Sector V, part of a global organization called the Kids Next Door.