Rizzoli & Isles is a TNT television series starring Angie Harmon as police detective Jane Rizzoli and Sasha Alexander as medical examiner Dr. Maura Isles. The one-hour drama is based on the Rizzoli & Isles series of novels by Tess Gerritsen. It premiered on July 12, 2010. On August 15, 2013, TNT ordered a 15-episode fifth season, which began on June 17, 2014. On December 9, 2014, TNT renewed Rizzoli & Isles for an 18-episode sixth season to begin in mid-2015.