First Look: Dexter, Season Five 1.90K Whitney Jefferson 07/24/10 11:01AM Filed to: Dexter Dexter Trailers Michael c hall TV Video This just-released trailer for the fifth season of Showtime's serial-killer drama Dexter is riveting in itself. In it, we see title character struggling over his wife's death, his confused children, and a new feeling he's never felt before: guilt. [via The TV Addict]