Spongebob Seasons By schommer May 1, 1999 Season 1 Premiere Period: May 1, 1999 to Mar 26, 2011 Spongebob Seasons Start to Finish Apr 8, 2000 Season 1 Finale Nov 2, 2000 Season 2 Premiere Oct 12, 2001 Season 2 Finale Mar 22, 2002 Season 3 Premiere Oct 11, 2004 Season 3 Finale May 6, 2005 Seasaon 4 Premiere Feb 19, 2007 Season 4 Finale Apr 13, 2007 Season 5 Premiere Nov 23, 2007 Season 5 Finale Jun 6, 2008 Season 6 Premiere Jul 18, 2009 Season 6 Finale Jul 19, 2009 Season 7 Premiere Feb 26, 2011 Season 7 Finale Mar 26, 2011 Season 8 Premiere