The second season of Harry's Law, a legal dramedy created by David E. Kelley, premiered on NBC on September 21, 2011. Regular cast members during the season include Kathy Bates, Nathan Corddry, Karen Olivo, Mark Valley and Christopher McDonald. Christopher McDonald was promoted to a main character after season one. Aml Ameen and Brittany Snow left the cast after season one but will be guest starring in season two.[2] The season was originally going to have thirteen episodes. On October 11, NBC ordered an additional six scripts, bringing the total to 19.[3]
　　On November 12, 2011, NBC revealed that Harry's Law will move to Sunday at midseason.[4] On January 6, 2012 NBC announced a full season order of 22 episodes.[5]
　　from wikipedia.