with 13 episodes premiered on April 30, 2000

with 13 episodes premiered on January 11, 2001

with 25 episodes premiered on January 10, 2002

with 13 episodes premiered on September 10, 2002

with 8 episodes premiered on January 7, 2003

with 16 episodes premiered on September 4, 2003

with 14 episodes premiered on April 20, 2004

with 18 episodes premiered on September 7, 2004

with 11 episodes premiered on May 3, 2005

with 14 episodes premiered on September 14, 2005

with 15 episodes premiered on March 29, 2006

with 15 episodes premiered on September 5, 2006

with 15 episodes premiered on April 12, 2007

with 15 episodes premiered on September 5, 2007

with 14 episodes premiered on April 23, 2008

with 17 episodes premiered on September 3, 2008

with 13 episodes premiered on March 3, 2009

with 19 episodes premiered on October 27, 2009

with 20 episodes premiered on January 25, 2011

with 18 episodes premiered on May 16, 2012