All Grown Up! is an American animated television series that aired on Nickelodeon from 2003 until 2008. Created by Arlene Klasky and Gábor Csupó, the series is a continuation of their children's show Rugrats, the series explores the daily lives of protagonist Tommy Pickles and his childhood friends, now adolescents. The concept for the series was based on the episode "All Growed Up," which served as the series' 10th anniversary special and proved successful with audiences. The series ran from April 12, 2003, to August 17, 2008, for a total of five seasons, and featured voice actors from the original series. Several episodes also feature Tommy and his friends back when they were babies in flashbacks. The series premiered on April 12, 2003 as a preview for Nickelodeon. The series officially premiered on May 23, 2003.