Rugrats and Nickelodeon aired the Tenth Anniversary special `` All Growed Up '' on August 11 , 2001 , recognizing the day the series officially began as one of the original three Nicktoons . Rugrats and Nickelodeon aired the Tenth Anniversary special All Growed Up on August 11 , 2001 , recognizing the day the series officially began as one of the original three Nicktoons .