Original Sin premiere.] Tonight's the first night. Three years after concluding with Dexter: New Blood, Showtime's favorite serial killer is back in action with Dexter: Original Sin. The prequel series stars Patrick Gibson as a younger version of Dexter,

This post contains spoilers from the series premiere of Showtime’s “Dexter: Original Sin” now streaming on Paramount+. “Things were a little messy in the beginning…” That’s how Dexter Morgan (Michael C.

“Dexter: Original Sin” is, as the title says, the origin story of blood splatter expert and serial killer Dexter Morgan. Clyde Phillips, the showrunner on the first series, is again directing this 10-part series.