Update: Dexter has officially been renewed for a sixth season.
Kristin Dos Santos at E! Online reports that Dexter has been renewed by Showtime for a sixth season and that it's not being billed as a "final" season, leaving season seven an open possibility.
Sunday's Dexter ratings were particularly strong.
Dexter (9:01pm, 54 minutes)
- 2.537 million viewers
- 1.3/2 HH
- 1.1/3 A18-49