Hawaii Five-0 (2010 TV series, season 5)  The fifth season of the CBS crime drama series "Hawaii Five-0" premiered on Friday, September 26, 2014, and concluded on May 8, 2015 with a two-hour season finale. The season consisted of 25 episodes. For the 2014–15 U.S. television season, the fifth season of "Hawaii Five-0" ranked 20 with an average of 12.28 million viewers. On March 13, 2014 it was announced that Jorge Garcia was promoted to a series regular beginning with the fifth season. On March 13, 2014, CBS renewed "Hawaii Five-0" for a fifth season. Filming began on July 8, 2014 with a traditional Hawaiian blessing. and the season premiered on September 26, 2014.