Starring Angie Harmon and Sasha Alexander, this TNT police drama about the work and life of a female police officer and a female medical examiner in Boston has performed very well in the American TV series this summer, and its ratings are ranked first among the returning dramas of various basic pay channels. Despite being adjusted to 9 pm every Thursday night, "Witch Detective" still attracted an average of 7.1 million viewers per episode. As a result, TNT has renewed the fourth season, which will have a total of 15 episodes and will be broadcast in 2013.