High Quality Content by WIKIPEDIA articles! Dexter is an American drama series that has aired on Showtime since October 1, 2006. It has been nominated for a variety of awards, including eleven Primetime Emmy Awards (two wins), seven Golden Globe Awards (two wins), seven Screen Actors Guild Awards (one win), twelve Satellite Awards (seven wins), thirteen Saturn Awards (five wins), two PGA Awards, two TCA Awards (one win), five WGA Awards, a Peabody Award, and it was selected twice by the American Film Institute as one of the top ten best television programs of the year.