🎥 Dexter: Original Sin Dexter: Original Sin is a prequel to the original Dexter series. It premiered on December 13, 2024, on Paramount with SHOWTIME (and on Showtime’s cable network shortly after). The first season consists of 10 episodes, each roughly 46–58 minutes long. --- 🧠 Premise & Story Setup The story is set in 1991 Miami, about 15 years before the events of the original Dexter series. It follows a young Dexter Morgan (played by Patrick Gibson) — just after college — as he begins work