Debra Morgan didn't know about Dexter being a serial killer until long after Harry died, and Original Sin has helped explain why Harry never told her.

"If people like Easter eggs, this show is going to be an Easter egg hunt," said showrunner Clyde Phillips. By Whatever shock still exists from Dexter’s miraculous survival is quickly replaced by a big hit of nostalgia.

Ultimately, Dexter: Original Sin explores more than just Dexter’s origin story. It delves into Harry’s motivations for creating The Code, his reasons for adopting Dexter, and the guilt that eventually led him to take his own life.

Dexter’s storyline in the OG show left him hiding out as a lumberjack after his stepsister, Debra (Jennifer Carpenter), was killed off. But in “New Blood,” it was implied that his life had ended, so they decided to opt for another spinoff instead.

Dexter fans are in for a treat as a prequel to the show, Dexter: Original Sin, has premiered on Paramount+ with Showtime. The show delves into the

With Christian Slater as dad Harry Morgan, Irish actor Patrick Gibson puts young life into TV's favorite serial killer in "Dexter: Original Sin."

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.