Showtime released the sneak preview from episode 2 titled “Once Upon a Time” from season 6 of “Dexter” starring Michael C. Hall ( Game ), Julie Benz ( Saw V, Punisher: War Zone ), C.S. Lee, Mos Def and Jennifer Carpenter ( Quarantine ).

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Series Synopsis: The explosively popular DEXTER is back with a vengeance for a sixth season of startling suspense and unexpected twists. It’s been a year since last season’s shocking and heartbreaking conclusion, and mild mannered criminologist-cum-grisly serial killer Dexter Morgan has come to terms with who he is. But his existence is shattered when he crosses paths with an enemy unlike any he’s faced before. A delusional religious zealot with unflinching convictions, this new adversary soon draws Dexter into a dangerous game that could well end in disaster.

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