Is “Dexter” a classic, one of the peaks of the cable revolution alongside — you know the drill — “The Sopranos” and “Six Feet Under” and “The Shield”? Or is it a once-great series that has bled out in recent seasons, ever since the dreaded Lumen, woefully underplayed by Julia Stiles, entered Dexter Morgan’s life? Is the Showtime series destined to be forgotten over the long haul, an almost-was?
BUZZSAW | MATTHEW GILBERT
Can uneven TV series become classics?
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