Question: when did the last episode of jimmy neutron end
Answer: Season Episodes Originally aired First aired Last aired Pilots September 7 , 1998 December 21 , 2001 20 July 20 , 2002 ( 2002 - 07 - 20 ) September 5 , 2003 ( 2003 - 09 - 05 ) 20 September 19 , 2003 ( 2003 - 09 - 19 ) July 9 , 2004 ( 2004 - 07 - 09 ) Specials May 7 , 2004 ( 2004 - 05 - 07 ) July 21 , 2006 ( 2006 - 07 - 21 ) 21 November 11 , 2004 ( 2004 - 11 - 11 ) November 25 , 2006 ( 2006 - 11 - 25 )