with 1 episodes premiered on March 5, 2014

with 13 episodes premiered on January 11, 2004

with 13 episodes premiered on December 5, 2004

with 13 episodes premiered on February 19, 2006

with 13 episodes premiered on October 15, 2006

with 13 episodes premiered on September 7, 2008

with 13 episodes premiered on October 4, 2009

with 13 episodes premiered on February 14, 2010

with 13 episodes premiered on November 14, 2010

with 13 episodes premiered on January 8, 2012

with 3 episodes premiered on December 11, 2016

Special season where Witse is in action for the last time to find a murder.