When does Dexter return?

Dexter is an American crime drama television series that aired on Showtime from October 1, 2006, to September 22, 2013. Set in Miami, the series centers on Dexter Morgan, a forensic technician specializing in blood spatter analysis for the fictional Miami Metro Police Department. The series enjoyed mostly positive reviews throughout its run. The first four seasons were widely praised, but reception dropped considerably as the series progressed, with the final season and especially the series finale being highly criticized and often cited as amongst the worst of all time.