Based on the novel, Darkly Dreaming Dexter, this is a cop show with a difference. Dexter Morgan (Michael C. Hall) is the law enforcer at the centre of the action, but he just happens to be a serial killer as well...
And now he's back for a new series. Watch him on Thursday nights, 10.35pm, ITV1 or catch the repeats on ITV4, Fridays, 12am and Mondays, 11pm
