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 June 29, 2012 it was renewed for a 15 episode 4th season.