Codename: Kids Next Door

Operation: G.R.O.W.-U.P. (1x26)

Air date: Mar 07, 2003

The frustrated Delightful Children from Down the Lane turn to their Father for help destroying Sector V. Numbuh 1 is turned into an adult, the treehouse is destroyed, and their faith is shattered; Sector V is forced into a showdown with their most dangerous foe yet.